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Optics Letters

Optics Letters


  • Vol. 21, Iss. 9 — May. 1, 1996
  • pp: 653–655

Room-temperature green upconversion fluorescence of an Er3+-doped laser liquid

C. Koeppen, G. Jiang, G. Zheng, and A. F. Garito  »View Author Affiliations

Optics Letters, Vol. 21, Issue 9, pp. 653-655 (1996)

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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

Original Manuscript: January 24, 1996
Published: May 1, 1996

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)

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