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Proceedings Paper

Laser Direct Writing Of Gratings For Integrated Optics
Author(s): G. Assanto; C. Cali; S. Riva-Sanseverino
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Paper Abstract

A novel technique for fabrication of thin-film gratings is reported. A CdS film, deposited onto an ion-exchanged glass waveguide, is photo-etched by a focussed Ar-laser beam. Computer-controlled movement of the sample allows for the formation of periodic structures, tested for input and output coupling. Some interesting effects due to the simultaneous presence of longitudinal and transverse gratings are discussed. We also propose the technique in the realization of integrated optical devices for communications.

Paper Details

Date Published: 16 January 1988
Proc. SPIE 0952, Laser Technologies in Industry, (16 January 1988); doi: 10.1117/12.968896
Show Author Affiliations
G. Assanto, CRES (Italy)
C. Cali, Viale delle Scienze (Italy)
S. Riva-Sanseverino, Viale delle Scienze (Italy)

Published in SPIE Proceedings Vol. 0952:
Laser Technologies in Industry
Silverio P. Almeida; Luis Miguel Bernardo; Oliverio D.D. Soares, Editor(s)

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