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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. 31, Iss. 5 — May. 1, 2014
  • pp: 1041–1045

Multicolor visible light upconversion emission in Tm3+–Er3+ codoped TeO2–PbO glass under near-infrared laser radiation

Vineet Kumar Rai and Pankaj Mishra  »View Author Affiliations


JOSA B, Vol. 31, Issue 5, pp. 1041-1045 (2014)
http://dx.doi.org/10.1364/JOSAB.31.001041


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Abstract

The multicolor intense visible emission from Er3+ and Tm3+ ions codoped in TeO2PbO glass upon excitation at 1064nm radiation from a nanosecond pulsed Nd:YAG laser has been investigated. The optical parameters of erbium ions codoped in Tm3+TeO2PbO glass by using the Judd–Ofelt theory have been determined from the optical absorption spectra. No upconversion (UC) emission was seen in the singly doped Er3+-doped glass upon excitation at 1064 nm. Through the experiments, it has been found that, in the codoped glass, the UC luminescence from Er3+ (2.0 mol. %) in green and red regions corresponding to the H211/2I415/2, S43/2I415/2, and F49/2I415/2 transitions is strengthened about 40, 60, and 130 fold, respectively, at 2.0 mol. % Tm3+ ion concentration in codoped glass. The observed UC emissions and the enhancement observed in their intensity have been explained on the basis of efficient energy transfer and cross-relaxation energy transfer processes.

© 2014 Optical Society of America

OCIS Codes
(130.0250) Integrated optics : Optoelectronics
(230.0230) Optical devices : Optical devices
(230.3670) Optical devices : Light-emitting diodes

ToC Category:
Optical Devices

History
Original Manuscript: January 10, 2014
Revised Manuscript: February 28, 2014
Manuscript Accepted: February 28, 2014
Published: April 9, 2014

Citation
Vineet Kumar Rai and Pankaj Mishra, "Multicolor visible light upconversion emission in Tm3+–Er3+ codoped TeO2–PbO glass under near-infrared laser radiation," J. Opt. Soc. Am. B 31, 1041-1045 (2014)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-31-5-1041

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