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Journal of the Optical Society of America B

Journal of the Optical Society of America B


  • Vol. 13, Iss. 2 — Feb. 1, 1996
  • pp: 268–272

Modeling of absorption data complicated by Fabry–Perot interference in germanosilicate thin-film waveguides

Kelly Simmons-Potter and Joseph H. Simmons  »View Author Affiliations

JOSA B, Vol. 13, Issue 2, pp. 268-272 (1996)

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Complex absorption spectra obtained from thin films at normal incidence can be difficult to interpret owing to the appearance of Fabry–Perot interference fringes in the data. We describe a technique for modeling such spectra so that true absorption features can be identified and evaluated separately from the overlying fringes. The technique is used to interpret data obtained from photosensitive germanosilicate solgel films on fused-silica substrates but may be easily extended to analysis in other material systems.

© 1996 Optical Society of America

Kelly Simmons-Potter and Joseph H. Simmons, "Modeling of absorption data complicated by Fabry–Perot interference in germanosilicate thin-film waveguides," J. Opt. Soc. Am. B 13, 268-272 (1996)

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