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Proceedings Paper

Orientation dependence of dispersion and band gap of PIMNT single crystals
Author(s): Chongjun He; Hongbing Chen; Jiming Wang; Xiaorong Gu; Tong Wu; Youwen Liu
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Paper Abstract

As piezoelectric materials, optical properties of xPb(In1/2Nb1/2)O3–(1-x-y)Pb(Mg1/3Nb2/3)O3–yPbTiO3 single crystals were not perfectly known. Here refractive indices and optical transmission of 0.25Pb(In1/2Nb1/2)O3–0.42Pb(Mg1/3Nb2/3)O3– 0.33PbTiO3 (PIMNT) single crystal are investigated after poled along different directions. Cauchy dispersion equations of the refractive indices were obtained by least square fitting, which can be used to calculate the refractive indices in the low absorption wavelength range. After poled along [011] direction, the optical transmission of PIMNT single crystal is more than 65% above 0.5 μm, which is much higher than that of [001] and [111] directions. Energy band gap was obtained from absorption coefficient.

Paper Details

Date Published: 2 January 2018
PDF: 6 pages
Proc. SPIE 10456, Nanophotonics Australasia 2017, 104566A (2 January 2018); doi: 10.1117/12.2301133
Show Author Affiliations
Chongjun He, Nanjing Univ. of Aeronautics and Astronautics (China)
Hongbing Chen, Nanjing Univ. of Aeronautics and Astronautics (China)
Ningbo Univ. (China)
Jiming Wang, Nanjing Univ. of Aeronautics and Astronautics (China)
Xiaorong Gu, Nanjing Univ. of Aeronautics and Astronautics (China)
Tong Wu, Nanjing Univ. of Aeronautics and Astronautics (China)
Youwen Liu, Nanjing Univ. of Aeronautics and Astronautics (China)


Published in SPIE Proceedings Vol. 10456:
Nanophotonics Australasia 2017
James W. M. Chon; Baohua Jia, Editor(s)

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