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Applied Optics

Applied Optics


  • Vol. 42, Iss. 6 — Feb. 20, 2003
  • pp: 1040–1047

High-performance diode-pumped Nd:YLF amplifier

Ian N. Ross, Marta Csatári, and Steve Hutchins  »View Author Affiliations

Applied Optics, Vol. 42, Issue 6, pp. 1040-1047 (2003)

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We report on the performance of a multipass diode-pumped amplifier design to provide a combination of high gain and efficiency with high stability. A simple rod-cavity design and the establishment of quasi-steady-state operation resulted in a saturated gain of over 6000 at an average output intensity during the pulse train of 7 kW/cm2. The amplifier showed an output stability of 0.2% rms in the short term and 0.7% rms in the long term and an output intensity insensitive to input power changes. Zernike analysis of the measurements of pump distortion showed an almost pure astigmatic phase error that can be compensated up to high average power levels.

© 2003 Optical Society of America

OCIS Codes
(140.3280) Lasers and laser optics : Laser amplifiers
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3580) Lasers and laser optics : Lasers, solid-state
(140.6810) Lasers and laser optics : Thermal effects

Original Manuscript: July 1, 2002
Revised Manuscript: November 4, 2002
Published: February 20, 2003

Ian N. Ross, Marta Csatári, and Steve Hutchins, "High-performance diode-pumped Nd:YLF amplifier," Appl. Opt. 42, 1040-1047 (2003)

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