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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 13 — Jul. 1, 2006
  • pp: 2003–2005

300 W continuous-wave operation of a diode edge-pumped, hybrid composite Yb:YAG microchip laser

Masaki Tsunekane and Takunori Taira  »View Author Affiliations


Optics Letters, Vol. 31, Issue 13, pp. 2003-2005 (2006)
http://dx.doi.org/10.1364/OL.31.002003


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Abstract

300 W continuous-wave operation of a diode edge-pumped, hybrid (single-crystal/ceramic) composite,Yb3+ microchip laser with a 5 mm diameter and 300 μm thickness single-crystal core uniformly bonded to a water-cooled heat sink by a new Au-Sn soldering system has been demonstrated. The beam quality factor M2 follows the mode mismatch between the core and the fundamental mode and was improved to 17 with a maximum output power of 230 W. A thermally induced convex mirror with a spherical radius of curvature ranging from −2.5 to −1.5 m was observed; the radius of curvature decreases through thermal deformation of the microchip as the pump power increases.

© 2006 Optical Society of America

OCIS Codes
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.5680) Lasers and laser optics : Rare earth and transition metal solid-state lasers
(140.6810) Lasers and laser optics : Thermal effects

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: March 1, 2006
Revised Manuscript: April 26, 2006
Manuscript Accepted: April 26, 2006

Citation
Masaki Tsunekane and Takunori Taira, "300 W continuous-wave operation of a diode edge-pumped, hybrid composite Yb:YAG microchip laser," Opt. Lett. 31, 2003-2005 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-13-2003

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