Abstract:
The linear and nonlinear transmission of Fe2+:ZnSe crystals is measured at a wavelength of 2940 nm in the temperature range 20 – 220 °C. It is found that, with increasing temperature from 20 °C to 150 – 220 °C, the transmission of Fe2+:ZnSe crystals decreases in the case of incident radiation with an intensity of ~5.5 MW cm-2 and increases in the case of radiation with an intensity of 28 kW cm-2. At a temperature of 220 °C, the linear transmission almost coincides with the nonlinear transmission. The transmission spectra of Fe2+:ZnSe crystals at temperatures of 22 and 220 °C in the wavelength range 500 – 7000 nm are presented.
Keywords:doped Fe2+:ZnSe crystals, nonlinear absorption in Fe2+:ZnSe, heating of Fe2+:ZnSe crystals.
Citation:
N. N. Il'ichev, P. P. Pashinin, È. S. Gulyamova, G. A. Bufetova, P. V. Shapkin, A. S. Nasibov, “Linear and nonlinear transmission of Fe2+-doped ZnSe crystals at a wavelength of 2940 nm in the temperature range 20–220 °C”, Kvantovaya Elektronika, 44:3 (2014), 213–216 [Quantum Electron., 44:3 (2014), 213–216]
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https://www.mathnet.ru/eng/qe15323
https://www.mathnet.ru/eng/qe/v44/i3/p213
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