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Optics Letters

Optics Letters


  • Vol. 20, Iss. 17 — Sep. 1, 1995
  • pp: 1776–1778

Compact 170-W continuous-wave diode-pumped Nd:YAG rod laser with a cusp-shaped reflector

T. Brand  »View Author Affiliations

Optics Letters, Vol. 20, Issue 17, pp. 1776-1778 (1995)

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Flash-lamp style optical pump cavity techniques for side pumping small-diameter laser rods with large-area stacked diode-laser arrays are applied. With a cusp-shaped reflector as a nonimaging concentrator, the light is coupled from the 4.5 cm × 1 cm emitting surface of a microchannel-cooled 660-W cw stacked array to a 4-mm-diameter Nd:YAG rod. With a rod length of 70 mm, 170-W cw output power is reached with an optical efficiency of 26%. The design is insensitive to mechanical distortions and allows for a compact, rugged, close-coupled arrangement without the need for further coupling optics.

© 1995 Optical Society of America

Original Manuscript: April 11, 1995
Published: September 1, 1995

T. Brand, "Compact 170-W continuous-wave diode-pumped Nd:YAG rod laser with a cusp-shaped reflector," Opt. Lett. 20, 1776-1778 (1995)

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