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Proceedings Article

Use of scanning Hartmann sensor for measurement of thermal lensing in TGG crystal

[+] Author Affiliations
Anotoly K. Poteomkin, Nikolay Andreev, Efim A. Khazanov, Andrey Shaykin, Victor Zelenogorsky

Institute of Applied Physics (Russia)

Igor Ivanov

Institute for Material Research (Russia)

Proc. SPIE 4970, Laser Crystals, Glasses, and Nonlinear Materials Growth and Characterization, 10 (June 13, 2003); doi:10.1117/12.479162
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From Conference Volume 4970

  • Laser Crystals, Glasses, and Nonlinear Materials Growth and Characterization
  • Yehoshua Y. Kalisky
  • San Jose, CA | January 25, 2003

abstract

Investigations of thermal effects caused by absorption of laser radiation in Faraday isolators and Faraday mirrors are becoming more important. A most promising medium for Faraday devices in the wavelength range of 600-1200 nm is the terbium gallium garnet (TGG) crystal. In order to measure its thermo-optic constants (which are unknown) we used a scanning Hartmann sensor technique. This technique can easily and inexpensively measure wavefront distortions induced by optical elements to within 2nm.

© (2003) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Anotoly K. Poteomkin ; Nikolay Andreev ; Igor Ivanov ; Efim A. Khazanov ; Andrey Shaykin, et al.
"Use of scanning Hartmann sensor for measurement of thermal lensing in TGG crystal", Proc. SPIE 4970, Laser Crystals, Glasses, and Nonlinear Materials Growth and Characterization, 10 (June 13, 2003); doi:10.1117/12.479162; http://dx.doi.org/10.1117/12.479162


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