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Conferences > CLEO_SI > 2016 > SW4L > SW4L.5

Monocrystalline silicon needle formation by optical vortex illumination

Fuyuto Takahashi, Honami Fujiwara, Kai Izumisawa, Katsuhiko Miyamoto, Hirofumi Hidai, Ryuji Morita, and Takashige Omatsu

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Abstract

Optical vortex illumination enables the creation of silicon needles with a height of ~14 μm and a thickness of ~2 μm. Silicon needle formation requires an optical vortex pulse with a pulse duration of 10~20 ps, so as to create thermally-melted silicon with fewer heat diffusion effects.

© 2016 Optical Society of America

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