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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 19 — Sep. 13, 2010
  • pp: 20164–20169

Efficient holmium-doped fluoride fiber laser emitting 2.1 µm and blue upconversion fluorescence upon excitation at 2 µm

A. Guhur and S. D. Jackson  »View Author Affiliations

Optics Express, Vol. 18, Issue 19, pp. 20164-20169 (2010)

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We demonstrate a highly efficient and high power Ho3+-doped fluoride glass fiber laser that is resonantly pumped with a Tm3+-doped silicate glass fiber laser operating at 2.051 µm. The laser operates at 2080 nm and generated 6.66 W at a slope efficiency of 72%. We observe strong visible upconversion fluorescence centered at a variety of wavelengths including 491 nm which results from three sequential energy transfer upconversion processes; the fluorescence to pump energy ratio for this emission is one the largest reported to date.

© 2010 OSA

OCIS Codes
(140.3070) Lasers and laser optics : Infrared and far-infrared lasers
(140.3510) Lasers and laser optics : Lasers, fiber

ToC Category:
Lasers and Laser Optics

Original Manuscript: July 26, 2010
Revised Manuscript: August 31, 2010
Manuscript Accepted: September 2, 2010
Published: September 7, 2010

A. Guhur and S. D. Jackson, "Efficient holmium-doped fluoride fiber laser emitting 2.1 µm and blue upconversion fluorescence upon excitation at 2 µm," Opt. Express 18, 20164-20169 (2010)

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