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Optical spectroscopy of cobalt-doped cadmium telluride
Author(s): Eric J. Turner; Jonathan Evans; Thomas Harris
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Paper 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.

Paper Details

Date Published: 15 February 2018
PDF: 6 pages
Proc. SPIE 10511, Solid State Lasers XXVII: Technology and Devices, 105111O (15 February 2018); doi: 10.1117/12.2288502
Show Author Affiliations
Eric J. Turner, Air Force Research Lab. (United States)
KBRwyle (United States)
Jonathan Evans, Air Force Research Lab. (United States)
Thomas Harris, Air Force Research Lab. (United States)
Azimuth Corp. (United States)

Published in SPIE Proceedings Vol. 10511:
Solid State Lasers XXVII: Technology and Devices
W. Andrew Clarkson; Ramesh K. Shori, Editor(s)

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