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Proceedings Paper

Formation of optical elements of glasses by ion-exchange method and photothermo-induced crystallization
Author(s): Leonid B. Glebov; Nikolai V. Nikonorov; Gury Timofeevic Petrovsky; Mikhail V. Kharchenko
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Paper Abstract

It is found that a volume and a refractive index are varied as a result of an ion exchange process on glasses. This effect is used to produce microlenses and relief diffraction gratings. UV exposure and a thermal treatment result in a crystalline phase growth on photoglass- ceramics and polychromatic glasses. This effect leads to volume and refractive index exchange in the exposed zone. The exposure through masks enables the formation of volume phase holograms, gradient elements, and periodic relief structures on the photosensitive glasses surface and volume. The creation of ion-diffusants or microcrystals concentration gradients leads to a sample bending. This effect was used to produce the second order surface.

Paper Details

Date Published: 13 January 1993
PDF: 15 pages
Proc. SPIE 1751, Miniature and Micro-Optics: Fabrication and System Applications II, (13 January 1993); doi: 10.1117/12.138877
Show Author Affiliations
Leonid B. Glebov, S.I. Vavilov State Optical Institute (Russia)
Nikolai V. Nikonorov, S.I. Vavilov State Optical Institute (Russia)
Gury Timofeevic Petrovsky, S.I. Vavilov State Optical Institute (Russia)
Mikhail V. Kharchenko, S.I. Vavilov State Optical Institute (Russia)


Published in SPIE Proceedings Vol. 1751:
Miniature and Micro-Optics: Fabrication and System Applications II
Chandrasekhar Roychoudhuri; Wilfrid B. Veldkamp, Editor(s)

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