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Proceedings Paper

Photo-induced large-scale circular surface-relief diffraction gratings on azo-glass
Author(s): James Leibold; Ribal Georges Sabat
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Paper Abstract

Novel metallic light-interfering fixtures were designed and fabricated in order to achieve a laser interference pattern of constant-pitch, concentric and sinusoidal light variations. These fixtures consisted of annular rings with the inner diameter shaped conically. Azobenzene-containing solid thin-films were subsequently placed behind the fixture and circular surface-relief diffraction gratings were inscribed due to the azo molecules photochemical isomerization process. Gratings pitches were dependent on the fixture dimensions and ranged from 600 to 1400 nm with depths up to 250 nm.

Paper Details

Date Published: 19 March 2015
PDF: 9 pages
Proc. SPIE 9423, Alternative Lithographic Technologies VII, 94231V (19 March 2015); doi: 10.1117/12.2076368
Show Author Affiliations
James Leibold, Royal Military College of Canada (Canada)
Ribal Georges Sabat, Royal Military College of Canada (Canada)

Published in SPIE Proceedings Vol. 9423:
Alternative Lithographic Technologies VII
Douglas J. Resnick; Christopher Bencher, Editor(s)

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