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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 39, Iss. 6 — Feb. 20, 2000
  • pp: 986–992

Improved pump-beam distribution in a diode side-pumped solid-state laser with a highly diffuse, cross-axis beam delivery system

Nicolaie Pavel, Yoshihito Hirano, Syuhei Yamamoto, Yasuharu Koyata, and Toru Tajime  »View Author Affiliations


Applied Optics, Vol. 39, Issue 6, pp. 986-992 (2000)
http://dx.doi.org/10.1364/AO.39.000986


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Abstract

A new cavity for diode side-pumped solid-state lasers was designed, built, and tested. The results were efficient absorption of pumped light in the media and homogeneous pumped-beam distribution under various pump-power levels, which generated Nd:YAG active media of different radii and concentrations and shifts of the diode wavelength. Full-multimode quasi-continuous pump operation with a slope efficiency of 40.5% was obtained from a plane–plane resonator equipped with two Nd:YAG rods. At a maximum average pump power of 1.33 kW, the optical-to-optical efficiency was 31.4%. Single-transverse-mode operation (M2 factor of less than 1.1) of 163 W was demonstrated.

© 2000 Optical Society of America

OCIS Codes
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3530) Lasers and laser optics : Lasers, neodymium
(140.5560) Lasers and laser optics : Pumping

History
Original Manuscript: August 17, 1999
Revised Manuscript: December 2, 1999
Published: February 20, 2000

Citation
Nicolaie Pavel, Yoshihito Hirano, Syuhei Yamamoto, Yasuharu Koyata, and Toru Tajime, "Improved pump-beam distribution in a diode side-pumped solid-state laser with a highly diffuse, cross-axis beam delivery system," Appl. Opt. 39, 986-992 (2000)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-39-6-986

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