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Conferences > BGPP > 2012 > BW1D > BW1D.4

Picosecond Laser Pulse Induced Phase Transformation in Sapphire

Jiyeon Choi, Thierry Cardinal, Dongsik Shin, Yongkwon Cho, and Jeong suh

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Abstract

Picosecond laser-induced structural change in z-cut sapphire wafer were investigated through Raman spectroscopy and transmission electron microscopy. The broadening at 417 cm−1 and the presence of a new Raman peak near 420 cm−1 were observed.

© 2012 Optical Society of America

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