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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. DeShazer  »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. The refractive indices were determined by the minimum-deviation 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

Original Manuscript: March 25, 1988
Manuscript Accepted: June 1, 1988
Published: November 1, 1988

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

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  1. C. D. Brandle, J. C. Vanderleeden, “Growth, optical properties, and cw laser action of neodymium-doped gadolinium scandium aluminum garnet,” IEEE J. Quantum Electron. QE-10, 67–71 (1974). [CrossRef]
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  9. L. G. DeShazer, S. C. Rand, B. A. Wechsler, “Laser crystals,” in CRC Handbook of Laser Science and Technology, M. J. Weber, ed. (CRC, Boca Raton, Fla., 1987), Vol. V, Part 3, p. 287, Fig. 1.5.2.
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  21. J. C. Lee, S. D. Jacobs, “Refractive index and dn/dT of Cr, Nd:GSGG at 1064 nm,” Appl. Opt. 26, 777 (1987). [CrossRef] [PubMed]

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