OPTICAL CONSTANTS OF ZINC SELENIDE IN VISIBLE AND INFRARED SPECTRAL RANGES
Abstract
Transmittance spectrum of ZnSe in the infrared and visible wavelength range at normal incidence was investigated by an IRTracer-100 spectrometer and a TU-19 Double-BeamVisible spectrophotometer, and the optical constants of ZnSe were obtained based on modelling transmittances of two ZnSe slabs. The results show that the transmittance values of the ZnSe slabs are higher than 0.7 in the wavelength range of 2.5-15 mm; however they decrease dramatically when the wavelength is larger than 15 mm. The refractive index of ZnSe varies within 2.6-2.8 in the wavelength range of 0.55-0.85 mm and 2.2-2.4 in the wavelength range of 2.5-20 mm. The extinction coefficient of ZnSe varies within 10-8-10-6 in the wavelength range of 0.55-0.85 mm and 10-5-10-4 in the wavelength range of 2.5-20 mm.
About the Authors
H. . Qi
School of Architecture and Civil Engineering, Northeast Petroleum University; School of Mechanical Science and Engineering, Northeast Petroleum University
Russian Federation
Russian Federation
X. . Zhang
School of Architecture and Civil Engineering, Northeast Petroleum University
Russian Federation
Russian Federation
M. . Jiang
School of Architecture and Civil Engineering, Northeast Petroleum University; School of Mechanical Science and Engineering, Northeast Petroleum University
Russian Federation
Russian Federation
Q. . Wang
School of Architecture and Civil Engineering, Northeast Petroleum University
Russian Federation
Russian Federation
D. . Li
School of Architecture and Civil Engineering, Northeast Petroleum University; School of Mechanical Science and Engineering, Northeast Petroleum University
Russian Federation
Russian Federation
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Review
For citations:
Qi H., Zhang X., Jiang M., Wang Q., Li D. OPTICAL CONSTANTS OF ZINC SELENIDE IN VISIBLE AND INFRARED SPECTRAL RANGES. Zhurnal Prikladnoii Spektroskopii. 2017;84(4):660-663. (In Russ.)
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