Room-temperature green upconversion fluorescence of an Er3+-doped laser liquid
Optics Letters, Vol. 21, Issue 9, pp. 653-655 (1996)
http://dx.doi.org/10.1364/OL.21.000653
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Abstract
Room-temperature green upconversion fluorescence of an Er3+-doped POCl3—SnCl4 solution is achieved when the solution is pumped with an 800-nm GaAs laser diode. The upconversion emission at 550 nm is determined to be the result of a two-step absorption process. Numerical analysis reveals that laser systems that employ this erbium-doped laser liquid should be realizable with threshold pump powers as low as 45 mW.
© 1996 Optical Society of America
Citation
C. Koeppen, G. Jiang, G. Zheng, and A. F. Garito, "Room-temperature green upconversion fluorescence of an Er3+-doped laser liquid," Opt. Lett. 21, 653-655 (1996)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-21-9-653
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