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Proceedings Paper

Laser writing of nonlinear optical crystal lines in glass
Author(s): Takayuki Komatsu; Rie Ihara; Yasuhiko Benino; Takumi Fujiwara
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Paper Abstract

Laser-induced micro-fabrication has many advantages such as maskless, single-step and very fast processing compared with current techniques such as photolithography and reactive ion etching. Laser-induced crystallization is now a big challenge in glass materials. A new technique for the writing of crystal dots and lines in glass, called "samarium (rare-earth) atom heat processing", has been developed, and the writing of several crystal lines such as b-BaB2O4 (b-BBO), SmxBi1-xBO3, Sm2(MoO4)3, and KSm(PO3)4 showing second harmonic generations and ferroelectricities has been succeeded. It has been also demonstrated that two-dimensional crystal curved lines with bending angles of 0~90o or with sine-curve shapes can be written using the samarium atom heat processing. The features of this new technique and the quality of crystal lines have been clarified.

Paper Details

Date Published: 4 April 2005
PDF: 8 pages
Proc. SPIE 5723, Optical Components and Materials II, (4 April 2005); doi: 10.1117/12.589452
Show Author Affiliations
Takayuki Komatsu, Nagaoka Univ. of Technology (Japan)
Rie Ihara, Nagaoka Univ. of Technology (Japan)
Yasuhiko Benino, Nagaoka Univ. of Technology (Japan)
Takumi Fujiwara, Nagaoka Univ. of Technology (Japan)

Published in SPIE Proceedings Vol. 5723:
Optical Components and Materials II
Shibin Jiang; Michel J.F. Digonnet, Editor(s)

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