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Temperature-dependent photoluminescence spectra of Er-Tm codoped calcium boroaluminate glasses |
Applied Optics, Vol. 51, Issue 8, pp. 1115-1121 (2012)
http://dx.doi.org/10.1364/AO.51.001115
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Abstract
The temperature dependence of photoluminescence (PL) spectra of Er-Tm codoped calcium boroaluminate (CABAL) glasses with different dopant concentrations was investigated under 15–298 K, by pumping at 795 nm. The intensities of three band emissions located at 1.46, 1.53, and 1.80 μm decreased monotonically when increasing the temperature from at lower concentrations. However, the emissions peaked at 1.80 μm increase with the increasing temperature at higher concentrations. This was attributed to the increasing of cross relaxation (CR) resulting from the high doping concentration of Tm ions. This was evidenced by the much shorter fluorescence lifetime of 56 μs for the
© 2012 Optical Society of America
OCIS Codes
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(160.5690) Materials : Rare-earth-doped materials
ToC Category:
Fiber Optics and Optical Communications
History
Original Manuscript: September 15, 2011
Manuscript Accepted: October 23, 2011
Published: March 7, 2012
Citation
Fei Xu, Lingling Zheng, Mingzhu Li, Fang Lu, Zhongquan Ma, Zuimin Jiang, Pinghua Zhou, Jianwei Shi, and Yu Pu, "Temperature-dependent photoluminescence spectra of Er-Tm codoped calcium boroaluminate glasses," Appl. Opt. 51, 1115-1121 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-8-1115
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