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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry van Driel
  • Vol. 27, Iss. 5 — May. 1, 2010
  • pp: 975–980

Infrared emission properties and energy transfer between Tm 3 + and Ho 3 + in lanthanum aluminum germanate glasses

Qiang Zhang, Jie Ding, Yinglong Shen, Guang Zhang, Geng Lin, Jianrong Qiu, and Danping Chen  »View Author Affiliations


JOSA B, Vol. 27, Issue 5, pp. 975-980 (2010)
http://dx.doi.org/10.1364/JOSAB.27.000975


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Abstract

Tm 3 + Ho 3 + codoped lanthanum aluminum germanate glasses are prepared by a simple melt-quenching method. The 2 μ m emission characteristic and energy transfer from Tm 3 + to Ho 3 + upon excitation of a conventional 808 nm laser diode is investigated. The spectroscopic properties are estimated by using Judd–Ofelt parameters, branching ratios, and lifetimes. The microscopic energy transfer parameters of each process are also calculated. The large energy transfer coefficient of Tm 3 + to Ho 3 + and the little back energy transfer from Ho 3 + to Tm 3 + indicate that an efficient energy transfer process occurs.

© 2010 Optical Society of America

OCIS Codes
(160.2540) Materials : Fluorescent and luminescent materials
(160.2750) Materials : Glass and other amorphous materials
(160.4670) Materials : Optical materials

ToC Category:
Materials

History
Original Manuscript: November 20, 2009
Revised Manuscript: March 3, 2010
Manuscript Accepted: March 9, 2010
Published: April 20, 2010

Citation
Qiang Zhang, Jie Ding, Yinglong Shen, Guang Zhang, Geng Lin, Jianrong Qiu, and Danping Chen, "Infrared emission properties and energy transfer between Tm3+ and Ho3+ in lanthanum aluminum germanate glasses," J. Opt. Soc. Am. B 27, 975-980 (2010)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-27-5-975

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