15 February 2018 Optical spectroscopy of cobalt-doped cadmium telluride
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Abstract
Spectroscopic investigation of Co2+:CdTe was performed to evaluate it’s potential as a lasing medium. The sample had a targeted doping concentration of 2% and measurements were performed from 10 - 120K. Cross-sections for Co:CdTe were calculated using Füchtbauer-Ladenburg and reciprocity methods. Calculations suggest the potential for efficient lasing at ~3.7μm when pumped by a 3μm laser source on the 4A24T2 transition. The fluorescence lifetime was measured to quantify the temperature dependence of the non-radiative relaxation rate. This work aims to characterize Co:CdTe as a novel gain medium for compact, tunable mid-infrared lasers operating within the atmospheric transmission window.
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Eric J. Turner, Eric J. Turner, Jonathan Evans, Jonathan Evans, Thomas Harris, Thomas Harris, } "Optical spectroscopy of cobalt-doped cadmium telluride", Proc. SPIE 10511, Solid State Lasers XXVII: Technology and Devices, 105111O (15 February 2018); doi: 10.1117/12.2288502; https://doi.org/10.1117/12.2288502
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