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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry M. Van Driel
  • Vol. 24, Iss. 12 — Dec. 1, 2007
  • pp: 3023–3033

Spectroscopic properties, concentration quenching, and prediction of infrared laser emission of Yb 3 + -doped K Y 3 F 10 cubic crystal

M. Ito, G. Boulon, A. Bensalah, Y. Guyot, C. Goutaudier, and H. Sato  »View Author Affiliations


JOSA B, Vol. 24, Issue 12, pp. 3023-3033 (2007)
http://dx.doi.org/10.1364/JOSAB.24.003023


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Abstract

We investigate the prediction of the infrared laser emission in the Yb 3 + -doped cubic K Y 3 F 10 crystal that can be pumped by a laser diode. Bulky single crystals have been grown by the Czochralski technique at Tohoku University, and crystalline fibers have been grown by the laser heated pedestal growth technique at Claude Bernard/Lyon 1 University. Absorption and emission spectra were recorded to contribute to the determination of electronic and vibronic energy levels by using in addition the Raman spectrum and the barycenter law. Yb 3 + concentration dependence of the F 5 2 2 experimental decay time was analyzed using concentration gradient fibers in order to attempt to understand involved concentration quenching mechanisms. Under Yb 3 + ion infrared pumping, self-trapping has been observed at low concentration, whereas upconversion nonradiative energy transfer to unexpected rare-earth impurities ( Er 3 + , Tm 3 + ) has been observed in the visible region and interpreted with a limited diffusion process within the Yb 3 + doping ion subsystem toward impurities. Main parameters useful for a theoretical approach of laser potentiality have been given and compared with other fluoride crystals.

© 2007 Optical Society of America

OCIS Codes
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.3380) Lasers and laser optics : Laser materials
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(300.6360) Spectroscopy : Spectroscopy, laser
(140.3615) Lasers and laser optics : Lasers, ytterbium

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: August 8, 2007
Revised Manuscript: October 4, 2007
Manuscript Accepted: October 4, 2007
Published: November 21, 2007

Citation
M. Ito, G. Boulon, A. Bensalah, Y. Guyot, C. Goutaudier, and H. Sato, "Spectroscopic properties, concentration quenching, and prediction of infrared laser emission of Yb3+-doped KY3F10 cubic crystal," J. Opt. Soc. Am. B 24, 3023-3033 (2007)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-24-12-3023

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