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Proceedings Paper

Thermo-optic properties of laser crystals in the 100-300 K temperature range: Y3Al5O12 (YAG), YAlO3 (YALO) and LiYF4 (YLF)
Author(s): R. L. Aggarwal; D. J. Ripin; J. R. Ochoa; T. Y. Fan
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Paper Abstract

Spectroscopic and thermo-optic properties of laser crystals are needed for solid-state laser performance modeling. Here we present a brief report on the measurement of key thermo-optic properties: thermal conductivity (κ), coefficient of thermal expansion (α), and thermal coefficient of refractive index (dn/dT). κ was measured using laser-flash method. α was measured using a 632.8-nm He-Ne Michelson laser interferometer. dn/dT was determined at 1064 nm, using measured values of α and the thermal coefficient of the optical path length. An extended paper containing more detailed results will be submitted to the Journal of Applied Physics.

Paper Details

Date Published: 27 April 2005
PDF: 6 pages
Proc. SPIE 5707, Solid State Lasers XIV: Technology and Devices, (27 April 2005); doi: 10.1117/12.601635
Show Author Affiliations
R. L. Aggarwal, Massachusetts Institute of Technology (United States)
D. J. Ripin, Massachusetts Institute of Technology (United States)
J. R. Ochoa, Massachusetts Institute of Technology (United States)
T. Y. Fan, Massachusetts Institute of Technology (United States)


Published in SPIE Proceedings Vol. 5707:
Solid State Lasers XIV: Technology and Devices
Hanna J. Hoffman; Ramesh K. Shori, Editor(s)

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