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Optics Letters

Optics Letters


  • Vol. 37, Iss. 13 — Jul. 1, 2012
  • pp: 2598–2600

250 mJ, self-adaptive, diode-side-pumped Nd:YAG slab laser

W. Zendzian, J. K. Jabczynski, M. Kaskow, L. Gorajek, J. Kwiatkowski, and K. Kopczynski  »View Author Affiliations

Optics Letters, Vol. 37, Issue 13, pp. 2598-2600 (2012)

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A scheme of self-adaptive, closed-loop, diode-side-pumped Nd:YAG slab laser was presented. As a result of four-wave mixing of standing waves intersecting at a small angle in a closed-loop cavity, the self-adaptive process of beam cleaning leading to fundamental mode operation despite severe asymmetry of the inversion profile and thermal-optical distortion was achieved. The output beam was extracted from the cavity as the first- order diffraction beam on the dynamic gain gratings created in an active medium. The near-diffraction-limited (parameter M2<1.4, divergence of 1 mrad) output beam of 250 mJ energy and the optical slope efficiency of 30% at a repetition rate of up to 25 Hz in a free-running regime were demonstrated.

© 2012 Optical Society of America

OCIS Codes
(140.3410) Lasers and laser optics : Laser resonators
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3530) Lasers and laser optics : Lasers, neodymium
(140.3580) Lasers and laser optics : Lasers, solid-state
(140.3535) Lasers and laser optics : Lasers, phase conjugate

ToC Category:
Lasers and Laser Optics

Original Manuscript: March 20, 2012
Revised Manuscript: April 26, 2012
Manuscript Accepted: May 1, 2012
Published: June 22, 2012

W. Zendzian, J. K. Jabczynski, M. Kaskow, L. Gorajek, J. Kwiatkowski, and K. Kopczynski, "250 mJ, self-adaptive, diode-side-pumped Nd:YAG slab laser," Opt. Lett. 37, 2598-2600 (2012)

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