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Journal of the Optical Society of America B

Journal of the Optical Society of America B


  • Vol. 9, Iss. 10 — Oct. 1, 1992
  • pp: 1883–1887

Optical absorption and stimulated emission of neodymium in yttrium lithium fluoride

James R. Ryan and Ray Beach  »View Author Affiliations

JOSA B, Vol. 9, Issue 10, pp. 1883-1887 (1992)

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A spectroscopic investigation of Nd3+ in yttrium lithium fluoride was performed. Spectrally and orientationally resolved cross sections for the 4F3/24I11/2 and 4F3/24I9/2 transitions are presented. We applied the Judd–Ofelt theory to measured absorption spectra to determine the orientation-averaged intensity parameters Ω2 = 0.362 × 10− 20 cm2, Ω4 = 4.02 × 10− 20 cm2, and Ω6 = 4.84 × 10− 20 cm2. Using these intensity parameters, we predicted the radiative lifetime of the metastable 4F3/2 state to be 525 μS, in excellent agreement with measured 4F3/2 decay signatures. Finally, absorption cross-section data are presented that will be of interest to the laser designer.

© 1992 Optical Society of America

Original Manuscript: September 23, 1991
Revised Manuscript: December 16, 1991
Published: October 1, 1992

James R. Ryan and Ray Beach, "Optical absorption and stimulated emission of neodymium in yttrium lithium fluoride," J. Opt. Soc. Am. B 9, 1883-1887 (1992)

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