Shack-Hartmann Thermal Lensing Characterization of Mid-IR Materials

Joshua D. Bradford; Christina C.C. Willis; Sylvain Danto; Lawrence Shah; J. David Musgraves; Kathleen Richardson; Martin Richardson

doi:10.1364/FIO.2013.FTh1F.5

Frontiers in Optics 2013
OSA Technical Digest (online) (Optica Publishing Group, 2013),
paper FTh1F.5
•https://doi.org/10.1364/FIO.2013.FTh1F.5

Shack-Hartmann Thermal Lensing Characterization of Mid-IR Materials

Joshua D. Bradford, Christina C.C. Willis, Sylvain Danto, Lawrence Shah, J. David Musgraves, Kathleen Richardson, and Martin Richardson

Frontiers in Optics 2013

Orlando, Florida United States
6–10 October 2013
ISBN: 978-1-55752-987-9

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Wavefronts and Aberrations: Engineering, Sensing and Applications (FTh1F)

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J. D. Bradford, C. C. C. Willis, S. Danto, L. Shah, J. D. Musgraves, K. Richardson, and M. Richardson, "Shack-Hartmann Thermal Lensing Characterization of Mid-IR Materials," in Frontiers in Optics 2013, I. Kang, D. Reitze, N. Alic, and D. Hagan, eds., OSA Technical Digest (online) (Optica Publishing Group, 2013), paper FTh1F.5.

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Abstract

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.

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