Title

Measurement Of Thermal Lensing In Gaas Induced By 100 W Tm:Fiber Laser

Abstract

We present the characterization of thermal distortion induced in bulk and orientation-patterned GaAs samples by a 100 W narrow linewidth, linearly polarized CW Tm:fiber laser focused to ∼150 μm diameter. For a 500-μm thick bulk GaAs sample, the induced thermal distortion is measured using a probe laser beam at 1080 nm and a Shack-Hartmann wavefront sensor (SHWS). We also compare the power dependent induced divergence for 500-μm thick bulk GaAs and 10-mm thick orientation-partnered GaAs (OP-GaAs) samples as they are translated axially through the focus of a 2-μm wavelength Tm:fiber laser beam. © 2014 Copyright SPIE.

Publication Date

3-17-2014

Publication Title

Proceedings of SPIE - The International Society for Optical Engineering

Volume

8964

Number of Pages

-

Document Type

Article; Proceedings Paper

Personal Identifier

scopus

DOI Link

https://doi.org/10.1117/12.2041323

Socpus ID

84896763698 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/84896763698

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