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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Grover Swartzlander
  • Vol. 30, Iss. 6 — Jun. 1, 2013
  • pp: 1410–1419

Spectroscopic properties of ytterbium, praseodymium-codoped fluorozirconate glass for laser emission at 3.6 μm

Laércio Gomes and Stuart D. Jackson  »View Author Affiliations


JOSA B, Vol. 30, Issue 6, pp. 1410-1419 (2013)
http://dx.doi.org/10.1364/JOSAB.30.001410


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Abstract

Excitation of the F27/2F25/2 transition of the Yb3+ ion in Yb3+, Pr3+-doped fluorozirconate glass at 974 nm results in efficient excitation of the G41 level of Pr3+ ion that in turn emits in the middle infrared at 3.6μm. The energy transfer (ET) process Yb3+(F25/2)Pr3+(G41) is assisted by fast excitation migration among the Yb3+ ions. An upconversion process involving ET from the F25/2 level to the G41 excited state populates the P03 excited state that produces emission at 481, 521, 603, 636, and 717 nm. A study of the behavior of the fluorescence from the G41 level at 1325 nm and from the P03 level at 603 nm allowed the estimation of the ET rate constants for the processes involved after short-pulsed laser excitation at 974 nm. A rate-equation model was employed to evaluate the population inversion relating to the G41F43 transition of the Pr3+ ion at 3.6 μm under continuous wave pumping.

© 2013 Optical Society of America

OCIS Codes
(140.3510) Lasers and laser optics : Lasers, fiber
(300.0300) Spectroscopy : Spectroscopy

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: December 13, 2012
Revised Manuscript: March 7, 2013
Manuscript Accepted: March 29, 2013
Published: May 2, 2013

Citation
Laércio Gomes and Stuart D. Jackson, "Spectroscopic properties of ytterbium, praseodymium-codoped fluorozirconate glass for laser emission at 3.6 μm," J. Opt. Soc. Am. B 30, 1410-1419 (2013)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-30-6-1410

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