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Journal of the Optical Society of America B

Journal of the Optical Society of America B


  • Vol. 5, Iss. 11 — Nov. 1, 1988
  • pp: 2327–2332

Thermo-optic properties of gadolinium garnet laser crystals

C. S. Hoefer, K. W. Kirby, and L. G. DeShazert  »View Author Affiliations

JOSA B, Vol. 5, Issue 11, pp. 2327-2332 (1988)

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The indices of refraction, thermal variations of refractive indices, and thermal expansion coefficients were measured for the gadolinium garnets Gd3Sc2Ga3O12 (GSGG) and Gd3Sc2Al3O12. The variation of these properties with trivalent chromium doping was investigated for GSGG. Therefractive indices were determined by the minimumdeviation technique, with indices fitted to a five-parameter Sellmeier formula. The thermal coefficients were measured by an interferometric technique using simultaneous Twyman–Green and Fizeau interferometry.

© 1988 Optical Society of America

C. S. Hoefer, K. W. Kirby, and L. G. DeShazert, "Thermo-optic properties of gadolinium garnet laser crystals," J. Opt. Soc. Am. B 5, 2327-2332 (1988)

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  21. J. C. Lee and S. D. Jacobs, "Refractive index and dn/dT of Cr,Nd:GSGG at 1064 nm," Appl. Opt. 26, 777 (1987).

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