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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 25, Iss. 4 — Feb. 15, 1986
  • pp: 490–492

Index variations in cover sheets

Alan B. Marchant  »View Author Affiliations


Applied Optics, Vol. 25, Issue 4, pp. 490-492 (1986)
http://dx.doi.org/10.1364/AO.25.000490


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Abstract

When an optical system focuses light through a transparent cover sheet, refractive-index variations create spherical aberration which can be partially compensated by adjusting the cover-sheet thickness. In practice, a wide range of refractive index can be tolerated by a diffraction-limited objective lens given such thickness optimization. For example, a system with a numerical aperture of 0.6 and a nominal cover-sheet thickness of 1.2 mm can tolerate a refractive-index range from 1.45 to 1.60.

© 1986 Optical Society of America

History
Original Manuscript: September 4, 1985
Published: February 15, 1986

Citation
Alan B. Marchant, "Index variations in cover sheets," Appl. Opt. 25, 490-492 (1986)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-25-4-490


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References

  1. D. G. Howe, J. J. Wrobel, A. B. Marchant, F. F. Geyer, “High-Density Optical Recording in Organic Materials,” in Second SPSE Symposium on Optical Data Display Processing and Storage (1981), p. 97.
  2. R. A. Bartolini, A. E. Bell, R. E. Flory, M. Lurie, F. W. Spong, “Optical Disk Systems Emerge,” IEEE Spectrum 15, 20 (Aug.1978).
  3. A. B. Marchant, “Cover Sheet Aberations in Optical Recording,” Pro. Soc. Photo-Opt. Instrum. Eng. 421, 43 (1983).

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