Composition and temperature dependence of the refractive index in Hg1-xCdxTe over the visible light region

Runqing Jiang; Yueyuan Xia; Yan Zhang; Jiaxiong Fang

doi:10.1117/12.318091

11 August 1998 Composition and temperature dependence of the refractive index in Hg_1-xCd_xTe over the visible light region

Runqing Jiang, Yueyuan Xia, Yan Zhang, Jiaxiong Fang

Author Affiliations +

Proceedings Volume 3553, Detectors, Focal Plane Arrays, and Imaging Devices II; (1998) https://doi.org/10.1117/12.318091
Event: Photonics China '98, 1998, Beijing, China

Abstract

We measured refractive index of n type Hg_1-xCd_xTe with the null ellipsometric spectrum method over the visible light region, and the dispersion spectra with compositions x ranging from 0.2 to 0.46 have been obtained at different temperatures. The reflectivity has been calculated in the wavelength region above the absorption edge at temperatures from 77K to 300K. A peak over the visible light region appears just at the wavelength corresponding to the band-gap energy E₁(x,T) of Hg_1-xCd_xTe. E₁(x,T) can be described by an empirical formula.

Citation Download Citation

Runqing Jiang, Yueyuan Xia, Yan Zhang, and Jiaxiong Fang "Composition and temperature dependence of the refractive index in Hg_1-xCd_xTe over the visible light region", Proc. SPIE 3553, Detectors, Focal Plane Arrays, and Imaging Devices II, (11 August 1998); https://doi.org/10.1117/12.318091

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