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Conferences > FiO > 2014 > JTu3A > JTu3A.25

Comparison of sensitive nonlinear saturable absorption of topological insulator Bi2Te3 powder and nanosheets

Che-Min Chou, Hsuan-Yin Chen, Jin-Long Xu, Chao-Yang Tu, and Chao-Kuei Lee

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Abstract

The saturable absorption properties of two sizes of Bi2Te3, namely large powder prepared by commercial crystals and small sheets by further hydrothermal exfoliation, have been compared under low-intensity laser excitation at 1.0 and 2.0 μm.

© 2014 Optical Society of America

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