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Applied Optics

Applied Optics


  • Vol. 29, Iss. 25 — Sep. 1, 1990
  • pp: 3704–3707

Optical properties of gadolinium gallium garnet

Darwin L. Wood and Kurt Nassau  »View Author Affiliations

Applied Optics, Vol. 29, Issue 25, pp. 3704-3707 (1990)

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The refractive index, the temperature coefficient of the refractive index, and the optical transparency of gadolinium gallium garnet are reported as a function of wavelength from the near UV to the middle IR. The material is transparent enough for good optical components between 0.36 and 6.0 μm, and the refractive index ranges from 2.0 at the UV end to 1.8 at the IR end of the spectrum. The wavelength dependence of index is expressed as a three-term Sellmeier formula with agreement better than two parts in the fourth decimal between calculated and experimental values. Variations in composition depending on growth from various melts (e.g., stoichiometric vs congruent) have no effect on the optical parameters at this level of precision.

© 1990 Optical Society of America

Original Manuscript: November 20, 1989
Published: September 1, 1990

Darwin L. Wood and Kurt Nassau, "Optical properties of gadolinium gallium garnet," Appl. Opt. 29, 3704-3707 (1990)

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