High-power efficient continuous-wave TEM_00 intracavity frequency-doubled diode-pumped Nd:YLF laser
Applied Optics, Vol. 44, Issue 5, pp. 800-807 (2005)
http://dx.doi.org/10.1364/AO.44.000800
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Abstract
We describe experimental results with a diode-pumped, intracavity-doubled cw Nd:YLF laser in multilongitudinal mode and TEM_00 spatial transverse mode with a critical phase-matched lithium triborate crystal. Taking into account the thermal effects of Nd:YLF, energy-transfer upconversion, and the thermal fracture limit, we set up a power-scaling model to optimize and design a fundamental diode-pumped Nd:YLF laser. A highly efficient second-harmonic laser was achieved, based on the optimized cavity design. A second-harmonic-generation output power of 20.5 W at a wavelength of 527 nm was obtained at an incident pump power of 60 W, corresponding to an optical-to-optical efficiency of 34.2%. The TEM_00 mode green laser operates at a measured M^2 parameter of 1.2. The instability of the green laser power is less than ±1% RMS.
© 2005 Optical Society of America
OCIS Codes
(140.3410) Lasers and laser optics : Laser resonators
(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
(140.7300) Lasers and laser optics : Visible lasers
Citation
Xiaoyuan Peng, Lei Xu, and Anand Asundi, "High-power efficient continuous-wave TEM_00 intracavity frequency-doubled diode-pumped Nd:YLF laser," Appl. Opt. 44, 800-807 (2005)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-44-5-800
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