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Optics Letters

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  • Vol. 36, Iss. 10 — May. 15, 2011
  • pp: 1836–1838

High-power direct green laser oscillation of 598 mW in Pr 3 + -doped waterproof fluoroaluminate glass fiber excited by two-polarization-combined GaN laser diodes

Jun Nakanishi, Yuya Horiuchi, Tsuyoshi Yamada, Osamu Ishii, Masaaki Yamazaki, Minoru Yoshida, and Yasushi Fujimoto  »View Author Affiliations


Optics Letters, Vol. 36, Issue 10, pp. 1836-1838 (2011)
http://dx.doi.org/10.1364/OL.36.001836


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Abstract

We demonstrated a high-power and highly efficient Pr-doped waterproof fluoride glass fiber laser at 522.2 nm excited by two-polarization-combined GaN laser diodes and achieved a subwatt output power of 598 mW and slope efficiency of 43.0%. This system will enable us to make a vivid laser display, a photocoagulation laser for eye surgery, a color confocal scanning laser microscope, and an effective laser for material processing. Direct visible ultrashort pulse generation is also expected.

© 2011 Optical Society of America

OCIS Codes
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(140.7300) Lasers and laser optics : Visible lasers

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: February 24, 2011
Manuscript Accepted: April 9, 2011
Published: May 9, 2011

Virtual Issues
Vol. 6, Iss. 6 Virtual Journal for Biomedical Optics

Citation
Jun Nakanishi, Yuya Horiuchi, Tsuyoshi Yamada, Osamu Ishii, Masaaki Yamazaki, Minoru Yoshida, and Yasushi Fujimoto, "High-power direct green laser oscillation of 598 mW in Pr3+-doped waterproof fluoroaluminate glass fiber excited by two-polarization-combined GaN laser diodes," Opt. Lett. 36, 1836-1838 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-10-1836

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