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Proceedings Paper

Gradient-Index Thin Films: An Emerging Optical Coating Technology
Author(s): W. Gunning
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Paper Abstract

The possibility of generating optical thin-film structures with continuous variation in refractive index enables the design and fabrication of complex filter structures. New methods for coating design, deposition monitoring, process control and material engineering are evolving. A particular type of filter technology that draws on all of these developments is the rugate filter, a structure having a periodic re-fractive index profile. Advances in this area will not only enable the realization of gradient-index structures, but will provide new opportunities for accurate fabrication of conventional thin-film structures.

Paper Details

Date Published: 27 February 1989
PDF: 7 pages
Proc. SPIE 1019, Thin Film Technologies III, (27 February 1989); doi: 10.1117/12.950039
Show Author Affiliations
W. Gunning, Rockwell International Science Center (United States)


Published in SPIE Proceedings Vol. 1019:
Thin Film Technologies III
Karl H. Guenther; Hans K. Pulker, Editor(s)

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