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Efficient and high-power intracavity frequency doubled diode-side-pumped Nd:YAG/KTP continuous wave (CW) green laser |
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| Authors: | P.K. Mukhopadhyay S.K. Sharma P.K. Gupta |
| Affiliation: | a Solid State Laser Division, Center for Advanced Technology, Department of Atomic Energy, SSL Building, CAT, Indore, M.P. 452 013, India b Biomedical Applications Section, Center for Advanced Technology, Indore, M.P. 452 013, India |
| Abstract: | Highly efficient continuous wave (CW) green beam generation by intracavity frequency doubling of a diode side-pumped Nd:YAG laser using a single pump head based on a copper-coated flow tube in a V-shaped cavity geometry has been demonstrated. A maximum 30.5 W of CW green power was obtained at a total diode pumping power of 260 W corresponding to 11.7% conversion efficiency of diode pump power to CW green power and 4.7% conversion efficiency of electrical power to CW green power. The performance of the laser by considering the pump power induced thermal lensing effect and the M2-parameter at the fundamental wavelength has been analyzed. |
| Keywords: | 42.55.RZ 42.60.Da 42.60.Lh 42.65.ky 42.55.Xi |
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