Thin film As.sub.2 S.sub.5 optical wave guide

Details Thin film As.sub.2 S.sub.5 optical wave guide Thin film As.sub.2 S.sub.5 optical wave guide

1978-02-09

1980-01-15

Hille, Rolf G.

Compositions

Radioactive compositions

Nuclear reactor fuel

350 9634, 252439, G02B 514, B01J 2702

Patent

active

041836170

ABSTRACT:
An amorphous film of As.sub.2 S.sub.5 on a substrate is disclosed for use in various optical applications. The film can be shaped as a lens to focus light. By mounting an acoustic transducer on the film to produce surface or bulk acoustic waves light moving in the film can be deflected or modulated respectively. The film can also be used in anti-reflective, high reflectivity, and photoconductive coatings.

REFERENCES:
patent: 3406358 (1968-10-01), Seidet et al.
patent: 3736045 (1973-05-01), Heidrich
patent: 3904270 (1975-09-01), Cheo
K. W. Loh, et al., "Convolution Using Guided Acousto-Optical Interaction in As.sub.2 S.sub.3 Waveguides," Appl. Phys. Lett., vol. 28, No. 3, Feb. 1976, pp. 109-111.
"Refractive Index of Amorphous As.sub.2 S.sub.5," Chemical Abstracts, vol. 71, No. 17187e, 1969.
A. Matsuda et al., "Stopping Effect" on Guided Light in As-S Films by a Laser Beam, Appl. Phys. Lett., vol. 24, No. 7, Apr. 1974, pp. 314-315.
Y. Ohmachi, "Acousto-Optical Light Diffraction in Thin Films," J. Appl. Phys., vol. 44, No. 9, Sep. 1973, pp. 3928-3933.

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