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Applied Optics

Applied Optics


  • Vol. 32, Iss. 28 — Oct. 1, 1993
  • pp: 5447–5451

Predicting achievable design performance of broadband antireflection coatings

Ronald R. Willey  »View Author Affiliations

Applied Optics, Vol. 32, Issue 28, pp. 5447-5451 (1993)

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An empirically derived formula, which can be used to predict the average residual reflection that can be expected from an antireflection (AR) coating design as a function of bandwidth, overall thickness, available indices of the coating materials, number of layers, etc., is presented. This formula can be a useful tool not only for the thin-film designer but also for the nondesigner or system engineer to estimate the performance limits of an AR coating for a given application before the design is accomplished. The general predictions are also found to be consistent with the results of two recent AR design competitions involving many independent investigators. Some insight with respect to the basic underlying principles of AR coatings can also be gleaned from the results and the process by which they are found.

© 1993 Optical Society of America

Original Manuscript: November 5, 1992
Published: October 1, 1993

Ronald R. Willey, "Predicting achievable design performance of broadband antireflection coatings," Appl. Opt. 32, 5447-5451 (1993)

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  1. R. R. Willey, “Rugate broadband antireflection coating design,” in Current Developments in Optical Engineering and Commercial Optics, R. E. Fischer, H. M. Pollicove, W. J. Smith, eds., Proc. Soc. Photo-Opt. Instrum. Eng.1168, 224–228 (1989).
  2. R. R. Willey, P. G. Verly, J. A. Dobrowolski, “Design of wideband antireflection coating with the Fourier transform method,” in Optical Thin Films and Applications, R. Herrmann, ed., Proc. Soc. Photo-Opt. Instrum. Eng.1270, 36–44 (1990).
  3. P. G. Verly, J. A. Dobrowolski, R. R. Willey, “Fourier-transform method for the design of wideband antireflection coatings,” Appl. Opt. 31, 3836–3846 (1992). [CrossRef] [PubMed]
  4. R. R. Willey, “Realization of a very broad band AR coating,” in 33rd Annual Technical Conference Proceedings, V. H. Maddox, ed. (Society of Vacuum Coaters, New Orleans, La., 1990), pp. 232–236.
  5. A. Thelen, R. Langfeld, “Coating design problem,” in Thin Films for Optical Systems, K. H. Guenther, ed., Proc. Soc. Photo-Opt. Instrum. Eng.1782 (to be published).
  6. A. Macleod, “Design of an antireflection coating for glass over the region 400nm to 900nm,” in Thin Films for Optical Systems, K. H. Guenther, Proc. Soc. Photo-Opt. Instrum. Eng.1782 (to be published).
  7. M. L. Rastello, A. Premoli, “Continuation method for synthesizing antireflection coatings,” Appl. Opt. 31, 6741–6746 (1992). [CrossRef] [PubMed]
  8. J. A. Aguilera, J. Aguilera, P. Baumeister, A. Bloom, D. Coursen, J. A. Dobrowolski, F. T. Goldstein, D. E. Gustafson, R. A. Kemp, “Antireflection coatings for germanium IR optics: a comparison of numerical design methods,” Appl. Opt. 27, 2832–2840 (1988). [CrossRef] [PubMed]

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