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Conferences > BGPP > 2016 > BTh3B > BTh3B.1

Applications of parallel femtosecond laser writing inside glasses and observation of the dynamics

Masaaki Sakakura, Yasuhiko Shimotsuma, Naoaki Fukuda, and Kiyotaka Miura

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Abstract

In this paper, we show parallel femtosecond laser writing of optical waveguides, 2D arrayed birefringence filter and diffractive optical elements inside a silica glass. In addition, we investigated the stress dynamics after parallel fs laser irradiation inside a glass, because understanding of the dynamics is important for application of parallel laser writing. We found that a complicated stress distribution appears transiently inside a glass because of the interference of multiple laser induced stress waves.

© 2016 Optical Society of America

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