Optical properties of LiInSe2 in the THz frequency regime

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2014
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Wang, Shanpeng
Tao, Xutang
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Optical Materials Express. 2014, 4(7), pp. 1336-1344. eISSN 2159-3930. Available under: doi: 10.1364/OME.4.001336
Zusammenfassung

We investigate the optical properties of LiInSe2 (LISe) by THz time-domain spectroscopy (THz-TDS). The experimental results indicate that LISe has excellent transparency in the THz frequency region. We determine quantitatively the birefringence of LISe. The refractive index and absorption coefficient along the three dielectric axes of LISe are reported in the THz frequency region. The lattice vibrations of LISe are analyzed on the basis of the THz-TDS measurement in combination with infrared and Raman spectra. The origin of the low-frequency vibrational modes below 3 THz as interatomic bond-bending modes is revealed.

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530 Physik
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Spectroscopy, terahertz; Optical properties; Nonlinear optical materials; Birefringence
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ISO 690LIANG, Qijun, Shanpeng WANG, Xutang TAO, Thomas DEKORSY, 2014. Optical properties of LiInSe2 in the THz frequency regime. In: Optical Materials Express. 2014, 4(7), pp. 1336-1344. eISSN 2159-3930. Available under: doi: 10.1364/OME.4.001336
BibTex
@article{Liang2014Optic-29088,
  year={2014},
  doi={10.1364/OME.4.001336},
  title={Optical properties of LiInSe<sub>2</sub> in the THz frequency regime},
  number={7},
  volume={4},
  journal={Optical Materials Express},
  pages={1336--1344},
  author={Liang, Qijun and Wang, Shanpeng and Tao, Xutang and Dekorsy, Thomas}
}
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