Back to publications ...

D. Journal articles

  1. Sheppard CJR, Ahmed H (1972) An ultra-high vacuum scanning electron diffraction system, Vacuum 22, 567-570.
  2. Howorth J, Harmer A, Trawny E, Holtom R, Sheppard CJR (1973) Electric field enhancement of escape probability on NEA surfaces, Appl. Phys. Lett. 23, 123-124.
  3. Howorth J, Sheppard CJR, Holtom R, Harmer AL (1975) Thermionic emission from NEA silicon, J. Appl. Phys. 46, 151-157.
  4. Howorth J, Folkes J, Palmer I, Holtom R, Sheppard CJR, Trawny E  (1975) Transmission silicon photoemitters and electron multipliers, J. Phys. D: Appl. Phys. 9, 785-794, 2169.
  5. Sheppard, CJR, Ahmed H (1976) Scanning electron diffraction and its application to the oxidation of iron, Corrosion Science 16, 819-836.
  6. Sheppard CJR, Ahmed H (1976) The analysis of scan coils for scanning electron diffraction, Optik 44, 139-151.
  7. Sheppard CJR (1976) The application of the dynamical theory of x-ray diffraction to thick hologram gratings,  Int. J. Electronics  41,  365-373.
  8. Sheppard CJR (1977) The use of lenses with annular aperture in scanning optical microscopy, Optik 48, 329-334.
  9. Sheppard CJR, Choudhury A, Gannaway JN (1977) Electromagnetic field near the focus of wide-angular lens and mirror systems, IEE J.  Microwaves Optics and Acoustics 1, 129-132.
  10. Sheppard CJR,  Choudhury A (1977) Image formation in the scanning microscope, Optica Acta 24, 1051-1073.
  11. Sheppard CJR (1978) The scanning optical microscope, Laser und Elektro-optik, No. 2, 46-48.
  12. Sheppard CJR, Wilson T  (1978) Image formation in scanning microscopes with partially coherent source and detector, Optica Acta  25, 315-325.
  13. Sheppard CJR, Wilson T (1978) Gaussian-beam theory of lenses with annular aperture, IEE J. Microwaves, Optics and Acoustics 2, 105-112.
  14. Sheppard CJR, Kompfner R (1978) Resonant scanning optical microscope, Appl. Opt. 17, 2879-2882 (and cover).
  15. Sheppard CJR (1978) The scanning optical microscope, The Physics Teacher 16, 648-651.
  16. Sheppard CJR, Choudhury A (1978) The image of a bar-pattern in the scanning microscope, Optik 51, 361-368.
  17. Sheppard CJR, Wilson T (1978) Depth of field in the scanning microscope, Optics Letts. 3, 115-117.
  18. Sheppard CJR (1978) Electromagnetic field in the focal region of wide- angular annular lens and mirror systems, IEE J. Microwaves, Optics and Acoustics 2, 163-166.
  19. Gannaway J, Sheppard CJR (1978) Second harmonic imaging in the scanning optical microscope, Opt. and Quant. Elec. 10, 435-439.
  20. Sheppard CJR, Wilson T (1978) The theory of scanning microscopes with Gaussian pupil functions, J. Microscopy 114, 179-197.
  21. Hale PG, Sheppard CJR (1978) Production of optical fibres using a vacuum furnace,  Optik 51,  97-99.
  22. Sheppard CJR, Wilson T (1979) Effect of spherical aberration on the imaging properties of scanning optical microscopes, Appl. Opt. 18, 1058-1063.
  23. Wilson T, Sheppard CJR (1979) Imaging and super-resolution in the harmonic micrsocope, Optica Acta 26, 761-770.
  24. Sheppard CJR, Wilson T (1979) Imaging properties of annular lenses, Appl. Opt. 18, 3764-3769.
  25. Almeida JB, Hale PG, Sheppard CJR (1979) On line-metal coating of optical fibres,  Optik  53 , 231-233.
  26. Cooke DJ, Solymar L, Sheppard CJR (1979) A three-dimensional vectorial theory for volume holograms.  Int. J. Electron. 46, 337-356.
  27. Solymar L, Sheppard CJR (1979) A two-dimensional theory of volume holograms with electric polarization in the plane of the grating,  J. Opt. Soc. Am. 69, 491-495.
  28. Sheppard CJR, Wilson T (1980) Fourier imaging of phase information in conventional and scanning microscopes, Phil. Trans. Roy. Soc. A 295, 513-536.
  29. Sheppard CJR (1980) Scanning optical microscope, Electronics and Power, Feb., pp.166-172.
  30. Sheppard CJR, Wilson T (1980) Image formation in confocal scanning microscopes, Optik 55, 331-342.
  31. Sheppard CJR, Wilson T (1980) Multiple traversing of the object in the scanning microscope, Optica Acta 27, 611-624.
  32. Wilson T, Gannaway JN, Sheppard  CJR (1980) Optical fibre profiling using a scanning optical microscope, Opt. Quant. Elect. 12, 341-345.
  33. Sheppard CJR, Wilson T (1981) Effects of high angles of convergence on V(z) in the scanning acoustic microscope, App. Phys. Lett. 38, 858-859.
  34. Sheppard CJR, Wilson T (1981) The theory of the direct-view confocal microscope, J. Microsc. 124, 107-117.
  35. Sheppard CJR, Wilson T (1981) The halo effect of image processing by spatial frequency filtering, Optik 56, 19-23.
  36. Hamilton DK, Wilson T, Sheppard CJR (1981) Experimental  observations of the depth-discrimination properties of scanning  microscopes, Opt. Letts.6, 625-626.
  37. Sheppard CJR (1981) Scanning optical microscopy at Oxford University, IEE  Digest No: 1981/85.
  38. Sheppard CJR, Wilson T (1982) The image of a single point in microscopes of large numerical aperture, Proc. Roy. Soc. Lond. A 379, 145-158.
  39. Cox IJ, Sheppard CJR, Wilson T (1982) Improvement in resolution by nearly confocal microscopy, Appl. Opt. 21, 778-781.
  40. Cox IJ, Sheppard CJR, Wilson T (1982) Super-resolution by confocal fluorescent microscopy, Optik 60, 391-396.
  41. Cox IJ, Sheppard CJR, Wilson T (1982) Reappraisal of arrays of concentric annuli as superresolving filters, J. Opt. Soc. Am. 72, 1287-1291.
  42. Cox IJ, Hamilton DK, Sheppard CJR (1982) Observation of optical signatures of materials, Appl. Phys. Lett. 41, 604-606.
  43. Hamilton DK, Sheppard CJR (1982) A confocal interference microscope, Optica Acta 29, 1573-1577.
  44. Wilson T, Sheppard CJR (1982) Imaging with finite values of Fresnel number, J. Opt. Soc. Am. 72,  15-18.
  45. Sheppard CJR, Hamilton DK, Cox, IJ (1983) Optical microscopy with extended depth of field, Proc. R. Soc. Lond. A 387, 171-186.
  46. Cox IJ, Sheppard CJR (1983) Digital image processing of confocal images, Image and Vision Computing 1, 52-56.
  47. Sheppard CJR, Hamilton DK (1983) High resolution stereoscopic imaging, App. Opt. 22, 886-887.
  48. Cox IJ, Sheppard CJR (1983) Scanning optical microscope incorporating a digital framestore and microcomputer, Appl. Opt. 22, 1474-1478.
  49. Hamilton DK, Sheppard CJR (1984) Differential phase contrast in scanning optical microscopy, J. Microsc. 133,  27-39.
  50. Sheppard CJR (1984) Intensity at the edge in the image of a straight edge with full illumination, Optik  66,  191-194.
  51. Sheppard CJR, Cox IJ, Hamilton DK (1984) Edge detection in micrometrology with nearly confocal microscopy, Appl. Opt.  23, 657-658.
  52. Sheppard CJR, Hamilton DK (1984) Edge enhancement by defocusing of confocal images, Optica Acta  31,  723-727.
  53. Sheppard CJR (1984) Optical resolution and the spatial frequency cut-off, Optik 66, 311-315.
  54. Sheppard CJR, Heaton JM (1984) Images of surface steps in coherent illumination, Optik 68,  267-280.
  55. Sheppard CJR, Heaton JM (1984) Confocal images of straight edges and surface steps, Optik 68, 371-380.
  56. Cox IJ, Sheppard CJR (1984) Imaging in a scanning photoacoustic microscope, J. Acoust. Soc. Am. 76, 513-515.
  57. Hamilton DK, Sheppard CJR, Wilson T (1984) Improved imaging of phase gradients in scanning optical microscopy, Journal of Microscopy 153, 275-286.
  58. Sheppard CJR, Cox IJ (1985) Analysis of Laplacian edge-enhancement filters on incoherent images, Optik 70,  1-5.
  59. Wilson T, Carlini AR, Sheppard CJR (1985) Phase contrast microscopy by nearly full illumination, Optik 70, 166-169.
  60. Wilson T, Sheppard CJR (1985) Imaging of birefringent objects in scanning microscopes, Applied Optics  24, 2081-2084.
  61. Sheppard CJR (1986) Scanning methods in optical microscopy, Endeavour, New Series 10, 17-19 (and cover).
  62. Sheppard CJR, Wilson,T (1986) On the equivalence of scanning and conventional microscopes, Optik 78, 39-43.
  63. Sheppard CJR (1986) The spatial frequency cut-off in three-dimensional imaging, Optik 72, 131-133.
  64. Cox IJ, Sheppard CJR (1986) The information capacity of a multi-dimensional communications system, Int. J. Elec. 60,  655-662.
  65. Sheppard CJR Wilson T (1986) Reciprocity and equivalence in scanning microscopes, J. Opt. Soc. Am. 3, 755-756.
  66. Matthews HJ, Hamilton DK, Sheppard CJR (1986) Surface profiling by phase-locked interferometry, Appl. Optics  25, 2372-2374.
  67. Cox IJ Sheppard CJR (1986) Information capacity and resolution in an optical system, J. Opt. Soc. Am. A 3, 1152-1158.
  68. Sheppard CJR (1986) Imaging in optical systems of finite Fresnel number, J. Opt. Soc. Am. A 3, 1428-1432.
  69. Hamilton DK, Sheppard CJR (1986) Interferometric measurements of the complex amplitude of the defocus signal V(z) in the confocal scanning optical microscope, J. Appl. Phys. 60, 2708-2712.
  70. Wilson T, Sheppard CJR (1986) Observations of dislocations and junction irregularities in bipolar transistors using the OBIC mode of the scanning optical microscope, Sol. State Elec. 29, 1189-1194.
  71. Sheppard CJR (1986) Les microscopes optiques ouvrent la voie aux posibilites passionnantes, Microtechnic 3, 65-66.
  72. Sheppard CJR (1986) Scanned imagery, J. Phys. D: Appl. Phys. 19, 2077- 2084.
  73. Sheppard CJR (1986) The spatial frequency cut-off in three dimensional imaging II, Optik 74, 128-129.
  74. Sheppard CJR (1986) New possibilities with optical microscopes, Laboratory News 29-30.
  75. Sheppard CJR (1987) Scanning optical microscopy and its applications in materials science, Materials Forum 10,  94-103.
  76. Sheppard CJR, Matthews HJ (1987) Imaging in high aperture optical systems, J. Opt. Soc. Am. A  4,  1354-1360.
  77. Sheppard CJR, Matthews HJ (1988) The extended focus, auto-focus and surface profiling techniques of confocal microscopy, J. Modern Optics 35, 145-154.
  78. Sheppard CJR (1989) Scanning optical microscopy of semiconductor materials and devices, Scanning microscopy 3, 15-24, Scanning Microscopy '87, Hamilton, Ontario, May 1987.
  79. Sheppard CJR, Mao XQ (1989) Three dimensional imaging in a microscope, J. Opt. Soc. Amer. A  6, 1260-1269.
  80. Sheppard CJR, Hegedus ZS (1988) Axial behaviour of pupil plane filters, J. Opt. Soc. Amer. A 5, 643-647.
  81. Sheppard CJR (1988) Depth of field in optical microscopy, J. Microsc. 149, 73-75.
  82. Sheppard CJR, Mao XQ (1988) Confocal Microscopes with slit apertures, J. Mod. Opt. 35, 1169-1185.
  83. Sheppard CJR (1988) Aberrations in high aperture conventional and confocal imaging systems, Appl. Opt. 27, 4782-4786.
  84. Sheppard CJR (1988) Super-resolution in confocal imaging, Optik 80, 53-54.
  85. Sheppard CJR, Hamilton DK, Matthews HJ (1988) Scanning optical microscopy of low contrast samples, Nature 334, 572.
  86. Sheppard CJR, Carlini AR, Matthews HJ (1988) Three-dimensional imaging of phase steps, Optik 80, 91-94.
  87. Matthews HJ, Hamilton DK, Sheppard CJR (1989) Aberration measurement by confocal interferometry, J. Mod. Opt. 36, 233-250.
  88. Sheppard CJR (1989) Axial resolution of confocal fluorescence microscopy,
    J. Microsc. 154, 237-241.
  89. Sheppard CJR, Cogswell CJ (1990) Confocal microscopy with detector arrays, J. Mod. Opt. 37, 267-279.
  90. Cogswell CJ, Sheppard CJR, Moss CC, Howard CV (1990) A method for evaluating microscope objectives to optimise performance of confocal systems, J. Microsc.  158, 177-186.
  91. Sheppard CJR, Cogswell CJ (1990) Three-dimensional image formation in confocal microscopy, J. Microsc. 159, 179-194.
  92. Sheridan JT, Sheppard CJR (1990) An examination of the theories for the calculation of diffraction by square wave gratings:  1. Thickness and period variations for normal incidence, Optik 85, 25-32.
  93. Sheridan JT, Sheppard CJR (1990) An examination of the theories for the calculation of diffraction by square wave gratings: 2. Angular variation, Optik 85, 57-66.
  94. Sheridan JT, Sheppard CJR (1990) An examination of the theories for the calculation of diffraction by square wave gratings:  3. Approximate theories, Optik 85, 135-152.
  95. Sheppard CJR, Cogswell CJ (1991) Hybrid Optical/Electronic imaging systems, Int. J. Optoelectronics 6, 165-176.
  96. Sheppard CJR (1990) 15 years of scanning optical microscopy at Oxford, Proc. RMS 25, 319-321, EMAG-Micro '89, London 1989.
  97. Sheppard CJR, Gu M (1990) Image formation in two-photon fluorescence microscopy, Optik 86, 104-106.
  98. Sheppard CJR, Gu M  (1991) Optical sectioning in confocal microscopes with annular pupil, Optik 86, 169-172.
  99. Sheppard CJR, Gu M (1991) Approximation to the three-dimensional optical transfer function, J. Opt. Soc. Am. A. 8, 692-694.

100.     Gu M, Sheppard CJR (1992) Confocal fluorescent microscopy with a finite sized circular detector, J. Opt. Soc. Am. A 9, 151-153.

101.     Gu M, Sheppard CJR, Gan X (1991) Image formation in a fibre optical confocal scanning microscope, J. Opt. Soc. Am. A 8, 1755-1761.

102.     Gu M, Sheppard CJR (1991) Signal level of the fibre optical confocal scanning microscope, J. Mod. Opt. 38, 1621-1630.

103.     Sheppard CJR, Cogswell CJ (1991) Effects of aberrating layers and tube length on confocal imaging properties, Optik 87, 34-38.

104.     Sheppard CJR, Cogswell CJ, Gu M (1991) Signal strength and noise in confocal microscopy: factors influencing selection of an optimum detector aperture,  Scanning 13, 233-240.

105.     Sheppard CJR, Gu M, Mao XQ (1991) Three-dimensional coherent transfer function in a reflection-mode confocal scanning microscope, Opt. Commun.81, 281-284.

106.     Gu M, Gan X, Sheppard CJR (1991) Three-dimensional coherent transfer functions in fibre optical confocal scanning microscopes, J. Opt. Soc. Am A., 8, 1019-1025.

107.     Sheppard CJR, Gu M (1991) Three-dimensional optical transfer function for an annular lens, Opt. Commun.81, 276-280.

108.     Sheppard CJR, Gu M (1991) Aberration compensation in confocal microscopy, Appl. Opt. 30, 3563-3568 (1991).

109.     Sheppard CJR, Gong Y (1991) Improvement in axial resolution by interference confocal microscopy", Optik 87, 129-132.

110.     Cogswell CJ, Hamilton DK, Sheppard CJR (1992) Colour reflection microscopy using red, green and blue lasers, J. Microsc. 165, 103-117.

111.     Cogswell CJ, Sheppard CJR (1992) Confocal differential interference contrast (DIC) microscopy:  including a theoretical analysis of conventional and confocal DIC imaging, J. Microsc. 165, 81-101.

112.     Sheppard CJR, Hrynevych M (1991) Diffraction by a half-plane, a generalization of Fresnel diffraction theory, Opt. Lett. 16, 1060-1061.

113.     Sheppard CJR, Hrynevych M (1992) Diffraction by a circular aperture:  a generalization of Fresnel diffraction theory, J. Opt. Soc. Am.A 9 274-281.

114.     Sheppard CJR, Gu M (1991) Improvement of axial resolution in confocal microscopy using an annular pupil, Opt. Commun. 84, 7-13.

115.     Sheppard CJR, Gu M (1991) The significance of 3-D transfer functions in confocal scanning microscopy, J. Microsc. 164, 377-390.

116.     Sheppard CJR (1991) Stray light and noise in confocal microscopy, Micron and Microscopia Acta  22, 239-243.

117.     Gu M, Sheppard CJR (1991) Three-dimensional imaging in confocal fluorescent microscopy with annular lenses, J. Mod. Opt. 38, 2247-2263.

118.     Gu M, Sheppard, CJR (1991) Effects of finite-sized detector on the OTF of confocal fluorescent microscopy, Optik 89, 65-69.

119.     Gan X, Gu M, Sheppard CJR (1992) Fluorescent image formation in the fibre-optical confocal scanning microscope, J. Mod. Optics, 39, 825-834.

120.     Gu Min, Sheppard CJR (1992) Three-dimensional optical transfer function in the fibre-optical confocal scanning microscope using annular lenses, J. Opt. Soc. Amer.A 9, 1991-1999.

121.     Gu M, Sheppard CJR (1993) Three-dimensional coherent transfer functions in confocal imaging with two unequal annular lenses  J Mod. Optics, 40, 1255-1272.

122.     Gu M, Sheppard CJR (1992) Effects of defocus and primary spherical aberration on three-dimensional coherent transfer functions in  confocal microscopes.  Appl. Opt. 31, 2541-2549.

123.     Gu M, Sheppard CJR (1992) Axial resolution in the fibre-optical confocal scanning microscope using annular lenses.  Opt. Commun.  88, 27-32.

124.     Sheppard CJR, Gu M (1992) Axial imaging through an aberrating layer of water in confocal microscopy.  Opt. Commun.  88, 180-190.

125.     Sheppard CJR, Gu M (1992) The edge-setting criterion in confocal microscopy.  Appl. Opt. 31, 4575-4577.

126.     Sheppard CJR, Roberts PP and Gu M (1993) Fresnel approximation for off-axis illumination of a circular aperture, J. Opt. Soc. Amer. A, 10,  984-986.

127.     Gu M, Sheppard CJR (1992) Effects of annular pupils on confocal fluorescent imaging,  J. Mod. Opt. 39, 1883-1896.

128.     Wilson T, Hewlett SJ and Sheppard CJR (1990) Use of objective lenses with slit pupil functions in the imaging of line structures, Appl. Opt. 29, 4705-4714.

129.     Gu M, Sheppard CJR (1992) Image of a straight edge in fibre-optical confocal scanning microscopy.  Opt. Commun. 94, 485-490.

130.     Gu M, Sheppard CJR (1992) Three-dimensional coherent transfer function in reflection-mode confocal microscopy using annular lenses.  J. Mod. Opt. 39, 783-793.

131.  Sheppard CJR, Gu M, Roy M (1992) Signal to noise ratio in confocal microscope systems,  J.Microscopy, 168, 209-218.

132.  Cox G and Sheppard CJR (1993) Effects of image deconvolution on optical sectioning in conventional and confocal microscopes Bioimaging  1, 82-95.

133.  Gu M, Sheppard CJR (1993) Fibre-optical confocal scanning interference microscopy.  Opt. Commun.  100, 79-86.

134.  Gu M, Sheppard CJR, Zhou H (1993) Optimization of axial resolution in confocal imaging using annular pupils,  Optik 93, 87-90.

135.  Sheppard CJR, Connolly TJ, Gu M (1993) Scattering by a one dimensional rough surface and surface reconstruction by confocal imaging,  Phys. Rev. Letts. 70, 1409-1412.

136.  Sheppard CJR,  Gu M (1993) Imaging by a high aperture optical system.  J. Mod. Opt. 40, 1631-1651.

137.  Sheppard CJR, Gu M (1993) Modelling of three-dimensional fluorescence images of muscle fibres:  an application of the three-dimensional optical transfer function.  J. Microscopy, 168, 339-345.

138.  Sheridan JT, Sheppard CJR (1993) The coherent imaging of periodic thick fine isolated structures, J. Opt. Soc. Amer. A 10, 614-632.

139.  Gu M, Sheppard CJR (1993) Effects of a finite-sized pinhole on 3-D image formation in confocal two-photon fluorescence microscopy, J. Mod. Opt. 40, 2009-2024.

140.  Gu M, Sheppard CJR (1994) Effects of defocus and primary spherical aberration on images of a straight edge in confocal microscopy, Applied Optics 33, 625-630.

141.  Gu M, Sheppard CJR (1994) Three-dimensional transfer functions in 4Pi confocal microscopes, J. Opt. Soc. Amer. A 11, 1619-1627.

142.  Gu Min and Sheppard CJR (1993) Experimental investigation of fibre-optical confocal scanning microscopy, including a comparison with pinhole detection, Micron 24, 557-565.

143.  Sheppard CJR, Connolly TJ, Lee J, Cogswell C (1994) Confocal imaging of a stratified medium, Appl. Opt. 33, 631-640.

144.  Sheppard CJR, Gu M (1993) Dependence of two- and three-dimensional optical transfer functions on pinhole radius in a coherent confocal microscope - comments. J Opt Soc Am A, 10, 533-534.

145.  Sheppard CJR, Gu M and Brain K (1994) Influence of spherical aberration on axial imaging of confocal microscopy, Appl. Opt. 33, 616-624.

146.  Sheppard, C.J.R., Connolly T.J., and Gu Min (1993) Imaging and reconstruction for rough surface scattering in the Kirchhoff approximation by confocal microscopy, J. Mod. Opt. 40, 2407-2421.

147.  Sheppard CJR, Gu Min, Kawata Y, Kawata S (1994) Three-dimensional transfer functions for high aperture systems, J. Opt. Soc. Amer. A 11, 593-598.

148.  Sheridan JT, Sheppard CJR (1994) Diffraction by striated muscle fibres: application to image modeling, Bioimaging 1, 214-227.

149.  Sheridan JT, Sheppard CJR (1994) Modelling of images of square-wave gratings and isolated edges using rigorous diffraction theory, Opt. Commun.105, 367-378.

150.  Jackson DGA, Gu M, Sheppard CJR (1994) 3-D optical transfer function for circular and annular lenses with spherical aberration and defocus, J. Opt. Soc. Amer. A 11, 1758-1767.

151.     Gan XS and Sheppard CJR (1993) Detectability: A new criterion for evaluation of the confocal microscope, Scanning  15, 187-192.

152.     Gan XS, Sheppard CJR (1993) Imaging in a confocal microscope with one circular and one annular lens, Opt. Commun.103, 254-264.

153.     Roy M, Sheppard CJR (1993) Effect of image processing on the noise properties of confocal imaging, Micron 24, 623-635.

154.     Sheppard CJR, Larkin KG (1994) Optimal concentration of electromagnetic radiation J. Mod. Opt.41, 1495-1507

155.  Gu M, Sheppard CJR (1994) Three-dimensional partially-coherent image formation in confocal microscopes with a finite-sized detector,  J. Mod. Opt. 41, 1701-1715.

156.  Gu M, Tannous T, Sheppard CJR (1994) Improved axial resolution in confocal fluorecence microscopy using annular pupils,  Opt. Commun. 110, 533-539.

157.  Sheppard CJR, Gu M (1994) Imaging performance of confocal fluorescence microscopes with finite-sized source  J. Mod. Opt. 41, 1521-1530.

158.  Gu M, Sheppard CJR (1994) Analysis of confocal microscopy under ultrashort light-pulse illumination - comments, J. Opt. Soc. Amer. A 11, 2742-2743

159.     Zhou H, Gu M, Sheppard CJR (1995) Investigation of aberration measurement in confocal microscopy J. Mod. Opt., 42,627-638

160.     Zhou H, Gu M, Sheppard CJR (1994) Confocal interference microscopy:  a difference between dry and immersion lenses, Optik 97, 94-100.

161.  Kompfner R, Sheppard CJR, Walsh D, Choudhury A, Gannaway JN, Hale PG (1994) The scanning optical microscope - extracts on near-field microscopy, Scanning 16, 327-332

162.     Gu M, Sheppard CJR (1995) Optical transfer function analysis for two-photon 4Pi confocal fluorescence microscopy, Opt. Commun. 114, 45-49

163.  Sheppard CJR, Fatemi H, Gu Min (1995) The Fourier optics of near-field microscopy, Scanning, 17, 28-40

164.     Sheppard CJR (1995) Leaky annular pupils for improved axial imaging, Optik, 99,32-34

165.     Gu Min, Sheppard CJR (1994) 3-D image formation in confocal microscopy under ultra-short laser-pulse illumination, J. Mod. Opt.. 42,747-762

166.     Sheppard CJR, Connolly TJ (1995) Imaging of random surfaces, J. Mod. Opt..42, 861-881

167.     Gu Min, Tannous T, Sheppard CJR (1995) Three-dimensional confocal fluorescence imaging under ultra-short pulse illumination, Opt. Commun. 117, 406-412

168.     Sheppard CJR, Connolly TJ, Gu Min (1995) The scattering potential for imaging in the  reflection geometry, Opt. Commun.. 117, 16-19

169.     Sheppard CJR (1995) Approximate calculation of the reflection coefficient from a stratified medium, Pure and Applied Optics, 4, 665-669

170.     Sheppard CJR, Gu Min (1994) The three-dimensional (3-D) transmission cross coefficient for transmission imaging, Optik, 100, 155-158

171.     Sheppard CJR, Hole M (1995) Three-dimensional optical transfer function for weak aberrations, J. Mod. Opt. 42, 1921-1928

172.     Sheppard CJR (1995) Fundamental reduction of the observation volume in far-field light microscopy by detection orthogonal to the illumination axis: confocal theta microscopy- Comments, Opt. Commun., 119, 693-695

173.     Sheppard CJR (1995) Transport equations for confocal imaging, Optik, 11, 141-142

174.     Sheppard CJR, Larkin KG (1995) Effect of numerical aperture on interference fringe spacing, Appl. Opt., 34, 4731-4734

175.     Gu M, Sheppard CJR (1995) Comparison of three-dimensional imaging properties between two-photon and single-photon fluorescence microscopy, J. Microsc. 177, 128-137    

176.     Sheppard CJR (1996) Scattering by fractal surfaces with an outer scale, Opt. Commun. 122, 178-188

177.     Gu M, Tannous T, Sheppard CJR (1996) Effect of numerical aperture and annular pupil on confocal imaging through highly-scattering media Opt. Lett..21, 312-314

178.     Sheppard CJR (1996) Simplified expressions for the bidirectional reflectance distribution function, J. Mod. Opt. 42 373-380

179.     Quartel JC, Sheppard (1996)  Surface reconstruction using an algorithm based on confocal imaging J. Mod. Opt. 43 469-486

180.     Sheppard CJR (1996) Synthesis of filters for specified axial properties J. Mod. Opt. 43 525-536

181.     Quartel JC, Sheppard CJR (1996) A surface reconstruction algorithm based on confocal interferometric imaging, J. Mod. Opt. 43 591-606

182.     Sheppard CJR, Roy M (1996) Total integrated scatter in the Kirchhoff approximation, Optik, 103, 42-44

183.     Török P, Sheppard CJR, Varga P (1996) Study of evanescent waves for transmission near-field optical microscopy, J. Mod. Opt., 43, 1167-1183

184.     Zhou H, Gu M, Sheppard CJR (1996) A compact confocal interference microscope based on a four-port single-mode fibre coupler, Optik, 103, 45-48

185.  Török P, Sheppard CJR, Laczik Z(1996) Dark-field and differential phase contrast imaging modes in confocal microscopy using a half-aperture stop, Optik, 103, 101-106

186.  Török P, Sheppard CJR, Laczik Z (1996) The effect of lateral misalignment of the half-stop in dark-field and stereoscopic confocal microscope, Appl. Opt., 35, 6732-6739

187.  Sheppard CJR, Gan XS, Fatemi H (1996) The near-field of a weakly-guiding step-index single-mode fibre, Electronics Letts., 32, 1128-1130

188.  Sheppard CJR, Saghafi S (1996) Flattened light beams, Opt. Commun. 132, 144-152

189.     Sheppard CJR, Gan XS (1997) Free-space propagation of femtosecond light pulses, Optics Commun., 133 1-6

190.  Sheppard CJR, Török P (1997) Effects of specimen refractive index on confocal imaging, J. Microscopy, 185 366-374

191.  Sheppard CJR (1996) Imaging in three-photon fluorescence microscopy, Bioimaging, 4 124-128

192.     Sheppard CJR, Török P (1997) Efficient calculation of electromagnetic diffraction in optical systems using a multipole expansion, J. Mod. Opt., 44 803-818

193.     Sheppard CJR (1997) Vector diffraction in paraboloidal mirrors with Seidel aberrations: effects of small object displacements, Optics Commun. 138, 262-264 

194.     Sheppard CJR, Török P (1997) Electromagnetic field in the focal region of an electric dipole wave, Optik 104, 175-177

195.     Sheppard CJR (1997) Aberrations in high aperture optical systems, Optik.105, 29-33

196.     Gan X, Sheppard CJR, Gu M (1997) Effect of Fresnel diffraction on confocal imaging with an annular lens, Bioimaging, 5, 153-158

197.  Sheppard CJR, Török P (1997) Approximate forms for diffraction integrals in high numerical aperture focusing, Optik, 105, 77-82

198.     Sharma MD, Sheppard CJR (1997) Holmium-doped optical fiber for filter applications, Applied Optics , 36, 6815-6821

199.     Sheppard CJR, Török P (1997) An electromagnetic theory of imaging in fluorescence microscopy, and imaging in polarization fluorescence microscopy, Bioimaging, 5, 205-218

200.     Sheppard CJR, Larkin KG (1997) Vectorial pupil functions and vectorial transfer functions, Optik, 107, 79-87

201.     Zhou H and Sheppard (1997) Aberration measurement in confocal microscopy: phase retrieval from a single intensity measurement, J. Mod. Opt. 44, 1553-1561

202.     Gauderon R, Sheppard CJR (1998) Signal level in a confocal scanning microscope using step-index optical fibres, J. Mod. Opt. 45, 529-537

203.     Sheppard CJR, Hegedus Z (1998) Resolution for off-axis illumination, J. Opt. Soc. Amer.A  15, 622-624

204.     Sheppard, CJR, Calvert, G and Wheatland, M (1998) Focal Distribution for superresolving Toraldo filters, J. Opt Soc. Amer. A, 15, 849-856

205.     Sheppard CJR  (1998) Imaging of random surfaces and inverse scattering in the Kirchhoff approximation, Waves in Random Media, 8, 53-66

206.     Sheppard CJR, Saghafi S (1998) Beam modes beyond the paraxial approximation: a scalar treatment, Physical Review A., 57, 2971-2979

207.     Martinez-Corral M, Andrès P, Zapata-Rodriguez CI, Sheppard CJR (1998) Improvementof three-dimensional resolution in confocal scanning microscopy by combination of two pupil filters, Optik 107, 145-148

208.     Sharma MD  and Sheppard CJR (1998) Axial resolution in the fibre-optical confocal microscope, Bioimaging, 6, 98-103

209.     Gauderon R, Lukins PB and Sheppard CJR (1998) Three-dimensional second-harmonic generation imaging with femtosecond laser pulses, Opt. Lett. 23, 1209-1211

210.     Saghafi S and Sheppard CJR (1998) The beam propagation factor for higher order Gaussian beams, Opt. Comm. 153, 207-210

211.     Sheppard CJR and Larkin KG (1998) Similarity theorems for fractional Fourier transforms and fractional Hankel transforms, Optics Comm. 154, 173-178

212.     Saghafi S and Sheppard CJR (1998) Near and far field of elegant Hermite- and Laguerre-Gaussian modes, J. Mod. Opt. 45, 1999-2010

213.     Sheppard CJR (1998) Free-space diffraction and the fractional Fourier transform, J.Mod. Opt. 45, 2097-2104

214.     Gauderon R and CJR Sheppard (1998) Improvement in imaging in confocal fluorescent microscopes using multiple detectors, Bioimaging 6, 126-129

215.     Sheppard CJR and P Török (1998) Dependence of Fresnel number on aperture stop position, J. Opt. Soc. Am. A 15, 3016-3019

216.     Sheppard CJR and P Török (1998) Dependence of focal shift on Fresnel number and angular aperture, Opt Lett. 23, 1803-1804

217.     Sheppard CJR (1999) Focal distributions and Hertz potentials, Opt. Comm. 160, 191-194

218.     Sheppard CJR (1999) Binary optics and confocal imaging, Optics Lett. 24, 505-506

219.     Sheppard CJR and Saghafi S (1999) Electromagnetic beam modes beyond the paraxial approximation, J. Opt. Soc. Am. A. 16, 1381-1386

220.     Larkin KG and Sheppard (1999) Direct method for phase retrieval from the intensity of cylindrical wave fronts, J. Opt. Soc. Am. A 16, 1838-1844

221.     Sharma MD and Sheppard CJR (1999) Effects of system geometry on the axial response of the fibre-optical confocal microscope, J. Mod. Opt. 46, 605-621

222.     Sheppard, CJR Vectors and Fourier transforms in optics (1999) Optik 110, 157-160

223.     Sheppard CJR and Aguilar F (1999) Fresnel coefficients for weak reflection, and the scattering potential for three-dimensional imaging, Opt. Commun. 162, 182-186

224.     Matsuda K, Barnes TH, Oreb BF and Sheppard CJR (1999) Focal-length measurement by multiple-beam shearing interferometry, Appl. Opt. 38, 3542-3548

225.     Matsuda K, Roy M, O'Byrne JW, Fekete PW, Eiju T and Sheppard CJR (1999) Straightness measurements by use of a reflection confocal optical system, Appl. Opt. 38, 5310-5318

226.     Gauderon R, Lukins PB and Sheppard CJR (1999) Effect of a confocal pinhole in two-photon microscopy, Microsc. Res. and Tech. 47, 210-214

227.     Matsuda K, Barnes TH, Oreb BF and Sheppard CJR (1999) Position magnifying sensor, Opt. Commun. 170, 309-318

228.     Sheppard CJR and Saghafi S (1999) Electric and magnetic dipole beam modes beyond the paraxial approximation, Optik 110, 487-491

229.     Sheppard CJR, Saghafi S (1999) Transverse electric and magnetic beam modes beyond the paraxial approximation, Opt. Lett. 24, 1543-1545

230.     Gauderon R, Sheppard CJR (1999) Effect of a finite-sized pinhole on noise performance in single-, two-, and three-photon confocal fluorescence microscopy, Appl. Opt. 38, 3562-3565

231.     Campos J, Escalera JC, Sheppard CJR and Yzuel MJ (2000) Axially invariant pupil filters, J. Mod. Opt. 47, 57-68

232.     Sheppard CJR (2000) Polarization of almost plane waves, J. Opt. Soc. Am. A 17, 335-341

233.     Sheppard CJR and Larkin KG (2000) Focal shift, optical transfer function, and phase-space representations, J. Opt. Soc. Am. A 17, 772-779

234.     Gauderon R, Sheppard CJR (2000) Two-dimensional weak-object transfer functions in the scanning harmonic microscope, J. Mod. Opt. 47, 1195-1202

235.     Sheppard CJR, Aguilar JF (2000) Electromagnetic imaging in the confocal microscope, Opt. Commun. 180, 1-8

236.     Aguilar JF, Lera M, Sheppard CJR (2000) Imaging of spheres by confocal microscopy, Appl. Opt. 39, 4621-4628

237.     Sheppard CJR, Sharma MD and Arbouet A (2000) Axial apodizing filters for confocal imaging, Optik, 111, 347-354

238.     Matsuda K, Bold GT, Barnes TH, Eiju T, Sheppard CJR (2000) Real-time phase-difference amplification with a liquid-crystal spatial light modulator, Appl. Opt. 39, 5125-5130

239.     Sheppard CJR (2000) Validity of the Debye approximation, Opt. Lett. 25, 1660-1662

240.     Sheppard CJR (2000) Confocal imaging through weakly aberrating media, Appl. Opt. 39, 6366-6368

241.     Sheppard CJR (2000) Comment on "Analysis of spherical aberration of a water immersion objective: application to specimens with refractive index 1.33-1.40" J. Microsc. 200, 177-178

242.     Sheppard CJR, Aguilar JF (2001) Evanescent fields do contribute to the far field (J. Mod. Opt. 1999 Vol. 46, 729) - comment, J. Mod. Opt., 48, 177-180

243.     Sheppard CJR (2001) High aperture beams, J. Opt. Soc. Amer. A 18, 1579-1587 (invited review paper)

244.     Sheppard CJR, Larkin KG (2001) Comment on "The uncertainty principle applied to estimate focal spot dimensions [Opt. Commun. 173 (2000) 51], Opt. Commun., 189, 1-2

245.     Gauderon R, Lukins PB, Sheppard CJR (2001) Optimisation of second-harmonic generation microscopy, Micron 32, 691-700

246.     Gauderon R, Lukins PB, Sheppard CJR (2001) Simultaneous multi-channel two-photon microscopy, Micron 32, 685-689

247.     Cox GC, Sheppard CJR  (2001) Measurement of thin coatings in the confocal microscope, Micron 32, 701-705

248.     Saghafi S, Sheppard CJR, Piper J (2001) Characterising elegant and standard Hermite-Gaussian beam modes, Opt. Commun., 191, 173-179

249.     Sheppard CJR, Sharma MD (2001) Integrated intensity, and imaging through scattering media, J. Mod. Opt. 48, 1517-1525

250.     Sheppard CJR, Larkin KG (2001) The three-dimensional transfer function and phase space mappings, Optik 112, 189-192

251.     Sheppard CJR, Larkin KG (2001) The Wigner function for highly-convergent three-dimensional wavefields, Opt. Lett. 26, 968-970

252.     Sheppard CJR, Larkin KG (2001) Wigner function for non-paraxial wavefields, J. Opt. Soc. Am. A 18, 2486-2490

253.     Sheppard CJR (2001) Bessel pulse beams and focus wave modes, J. Opt. Soc. Am. A 18, 2594-2600

254.     Matsuda K, O’Byrne JW, Sheppard CJR, Rehman S, Eiju T (2001) Beam collimation in the presence of aberrations, Opt. Commun. 194, 1-9

255.     Roy M, Svahn P, Cherel L, Sheppard CJR (2002) Geometric phase-shifting for low coherence interference microscopy, Optics and Lasers in Engineering, 37, 631-641

256.     Sheppard CJR (2002) Comment on 'TM,TE and 'TEM' beam modes: exact solutions and their problems,' J. Opt. A: Pure and Applied, 4, 217-218

257.     Matsuda K, Roy M, Eiju T, O’Byrne J, Sheppard CJR (2002) Straightness measurements with a reflection confocal optical system – an experimental study, Appl. Opt. 41, 3966-3970

258.     Arnison MR, Sheppard CJR (2002) A 3D vectorial optical transfer function suitable for arbitrary pupil functions, Opt. Commun. 211, 53-63

259.     Sheppard CJR (2002) Three-dimensional phase imaging with the intensity transport equation, Appl. Opt. 41, 5951-5955

260.     Sheppard CJR (2002) Generalized Bessel pulse beams, J. Opt. Soc. Am. A 19, 2218-2222

261.     Sheppard CJR, Sharma MD (2002) Spatial frequency content of ultrashort pulsed beams, J. Opt. A: Pure and Appl. Opt. 4, 549-552

262.     Cooper IJ, Sheppard CJR and Sharma MD (2002) Numerical integration of diffraction integrals for a circular aperture, Optik 113, 293-298

263.     Sheppard CJR, Larkin KG (2003) Information capacity and resolution in three dimensional imaging, Optik 114, 548-550

264.     McOrist J, Sharma MD, Sheppard CJR, West E, Matsuda, K (2003) Hyperresolving phase-only filters with an optically-addressable liquid crystal spatial light modulator, Micron, 34, 327-332

265.     Sheppard CJR, Török P (2003) Focal shift and the Rayleigh-Sommerfeld diffraction integral, J. Opt. Soc. Am. A 20, 2156-2162

266.     Cooper IJ, Sheppard CJR (2003) A matrix method for calculating the three-dimensional irradiance distribution in the focal region of a convergent beam, Optik, 114, 298-304

267.     Matsuda K, Bold GT, Barnes TH, Eiju T, Sheppard CJR (2003) Near-real-time phase difference amplification using multiple-beam interferometry and a liquid-crystal-phase-only spatial light modulator, Opt. Eng. 42, 3537-3544

268.     Cox G, Sheppard CJR (2004) Practical limits of resolution in confocal and non-linear microscopy, Microscopy Research and Technique, 63, 18-22

269.     Sheppard CJR, Roy M, Sharma MD (2004) Image formation in low-coherence and confocal interference microscopes, Applied Optics, 43, 1493-1502

270.     Arnison MR, Larkin KG, Sheppard CJR, Smith NI, Cogswell CJ (2004) Linear phase imaging using differential interference microscopy, J. Microscopy, 214, 7-12, 23 March

271.     Sheppard CJR, Cooper IJ (2004) Fresnel diffraction by a circular aperture with off-axis illumination and its use in deconvolution of microscope images, J. Opt. Soc. Am. A 21, 650-545, April 

272.     Sheppard, Orthogonal aberration functions for high-aperture optical systems, JOSA A, in press

273.     Sheppard, Defocused transfer function for a partially coherent microscope, JOSA A, in press

274.     Sheppard, Campbell, Zernike expansion of separable functions of Cartesian coordinates, Applied Optics, in press