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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 38, Iss. 9 — Mar. 20, 1999
  • pp: 1777–1783

Beam-quality improvement of a passively Q-switched Nd:YAG laser with a core-doped rod

Antonio Lucianetti, Rudolf Weber, Walter Hodel, Heinz Peter Weber, Alexander Papashvili, Vladimir A. Konyushkin, and Tasoltan T. Basiev  »View Author Affiliations


Applied Optics, Vol. 38, Issue 9, pp. 1777-1783 (1999)
http://dx.doi.org/10.1364/AO.38.001777


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Abstract

We present experimental results that demonstrate the great efficiency of a core-doped Nd:YAG rod (a hexagonal Nd:YAG core surrounded by undoped YAG) in producing high output power and excellent beam quality. An additional improvement in beam quality is clearly observed when the core-doped rod is used in combination with a LiF:F2- crystal, which acts as a passive Q-switching element. This improvement is quantified by beam-propagation factors as low as M2 ≅ 4 at a maximum average output power of 9 W. We show that transversally pumped core-doped rods with the addition of LiF:F2- crystals fulfill the requirements for high-beam-quality, scalable, compact all-solid-state lasers in passively Q-switched operation.

© 1999 Optical Society of America

OCIS Codes
(140.3540) Lasers and laser optics : Lasers, Q-switched
(140.3580) Lasers and laser optics : Lasers, solid-state

History
Original Manuscript: August 31, 1998
Revised Manuscript: November 23, 1998
Published: March 20, 1999

Citation
Antonio Lucianetti, Rudolf Weber, Walter Hodel, Heinz Peter Weber, Alexander Papashvili, Vladimir A. Konyushkin, and Tasoltan T. Basiev, "Beam-quality improvement of a passively Q-switched Nd:YAG laser with a core-doped rod," Appl. Opt. 38, 1777-1783 (1999)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-38-9-1777

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