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Proceedings Paper

Induced periodic structures in bulk polymers by interference of laser beams
Author(s): Jinhai Si; Jianrong Qiu; Kazuyuki Hirao
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Paper Abstract

Volume holographic gratings and two-dimension periodic microstructures in azodye-doped polymethylmethacrylate were fabricated, respectively, by interference of two coherent beams of a femtosecond laser and by interference of three coherent beams of a nanosecond laser. The volume holographic gratings consist of two parts, surface relief gratings on both surfaces and refractive index modulated volume gratings in the interior of the polymers. The diffraction efficiency ofthe first-order Bragg for the gratings was estimated to be 91%. In the experiments for interference ofthree beams, the period of two-dimension periodic microstructures was changed by adjustment of the angle between the three writing beams. Experimental results showed that two-dimension periodic microstructures with O.69-µm period were formed on the surface ofpolymer samples.

Paper Details

Date Published: 30 August 2002
PDF: 8 pages
Proc. SPIE 4924, Holography, Diffractive Optics, and Applications, (30 August 2002); doi: 10.1117/12.481528
Show Author Affiliations
Jinhai Si, Japan Science and Technology Corp. (Japan)
Jianrong Qiu, Japan Science and Technology Corp. (Japan)
Kazuyuki Hirao, Japan Science and Technology Corp. (Japan)

Published in SPIE Proceedings Vol. 4924:
Holography, Diffractive Optics, and Applications
Dahsiung Hsu; Jiabi Chen; Yunlong Sheng, Editor(s)

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