We quantify the thermo-optic response of chalcogenide glasses to 2μm laser irradiation using Shack-Hartmann thermal lensing metrology. Induced dioptric powers as strong as 0.21m−1 are observed for CW pump irradiances as low as 38.2 W/cm2.
© 2013 Optical Society of America
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Supplementary Material (1)