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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: G. I. Stegeman
  • Vol. 22, Iss. 12 — Dec. 1, 2005
  • pp: 2610–2618

Optical pump–probe processes in Nd 3 + -doped K Pb 2 Br 5 , Rb Pb 2 Br 5 , and K Pb 2 Cl 5

Katja Rademaker, Stephen A. Payne, Günter Huber, Ludmila I. Isaenko, and Eugen Osiac  »View Author Affiliations


JOSA B, Vol. 22, Issue 12, pp. 2610-2618 (2005)
http://dx.doi.org/10.1364/JOSAB.22.002610


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Abstract

Recently, laser activity has been achieved in the low-phonon-energy, moisture-resistant bromide host crystals: neodymium-doped potassium lead bromide ( Nd 3 + : K Pb 2 Br 5 ) and rubidium lead bromide ( Nd 3 + : Rb Pb 2 Br 5 ) . Laser activity at 1.07 μ m was observed for both crystalline materials. Laser operation at the new wavelengths of 1.18 and 0.97 μ m resulting from the F 5 2 4 + H 9 2 2 I J 4 transitions ( J = 13 2 and 11 2 ) in Nd : Rb Pb 2 Br 5 was achieved for the first time in a solid-state laser material. We present cw pump–probe spectra and discuss excited-state absorption and reabsorption processes due to the long-lived lower laser levels, as well as possible depopulation mechanisms feasible for more efficient laser operation in these crystals. The bromides are compared with potassium lead chloride ( Nd 3 + : K Pb 2 Cl 5 ) .

© 2005 Optical Society of America

OCIS Codes
(140.3380) Lasers and laser optics : Laser materials
(160.5690) Materials : Rare-earth-doped materials

ToC Category:
Materials

Citation
Katja Rademaker, Stephen A. Payne, Günter Huber, Ludmila I. Isaenko, and Eugen Osiac, "Optical pump-probe processes in Nd3+-doped KPb2Br5, RbPb2Br5, and KPb2Cl5," J. Opt. Soc. Am. B 22, 2610-2618 (2005)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-22-12-2610

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