Applied Physics B

, Volume 58, Issue 2, pp 149–151 | Cite as

Efficient Continuous Wave-laser emission of Pr3+-doped fluorides at room temperature

  • T. Sandrock
  • T. Danger
  • E. Heumann
  • G. Huber
  • B. H. T. Chai
Rapid Communication


We report, to our knowledge for the first time, Continuous Wave (CW) laser emission at room temperature of Pr:LiYF4 (Pr.YLF) at six wavelengths: 522, 545, 607, 639.5, 720 and 907.4 nm. The pump source was an argon-ion laser tuned to a wavelength of ⋋ = 457.9 nm. The maximum output powers at 522 nm (3Pi3H5) and 639.5 nm (3P03F2) were 144 and 266 mW, respectively. We also observed CW laser action of Pr:GdLiF4 (Pr: GLF) at λ = 639 nm and of Pr:KYF4 (Pr: KYF) at λ = 642.5 nm.




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Copyright information

© Springer-Verlag 1994

Authors and Affiliations

  • T. Sandrock
    • 1
  • T. Danger
    • 1
  • E. Heumann
    • 1
  • G. Huber
    • 1
  • B. H. T. Chai
    • 2
  1. 1.Institut für Laser-PhysikUniversität HamburgHamburgGermany
  2. 2.Center for Research in Electro-Optics and Lasers (CREOL)University of Central FloridaOrlandoUSA

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