Translator Disclaimer
20 February 2014 Measurement of thermal lensing in GaAs induced by 100 W Tm:fiber laser
Author Affiliations +
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 Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Joshua Bradford, Konstantin Vodopyanov, Peter Schunemann, Lawrence Shah, and Martin Richardson "Measurement of thermal lensing in GaAs induced by 100 W Tm:fiber laser", Proc. SPIE 8964, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XIII, 896419 (20 February 2014);

Back to Top