Efficient and high-power green beam generation by frequency doubling of acousto-optic Q-switched diode-side pumped Nd:YAG rod laser in a coupled cavity

Sharma, SK; Singh, Asha; Mukhopadhyay, P. K.; Oak, S. M.

doi:10.1007/s12043-010-0179-4

Pramana - J Phys

2010

DOI: 10.1007/s12043-010-0179-4

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Efficient and high-power green beam generation by frequency doubling of acousto-optic Q-switched diode-side pumped Nd:YAG rod laser in a coupled cavity

SK Sharma

Asha Singh

P. K. Mukhopadhyay

et al.

Abstract: A 52-W green laser at 532 nm by extra-cavity second-harmonic generation in a coupled-cavity configuration is demonstrated. The fundamental laser is a diode-sidepumped acousto-optic (AO) Q-switched Nd:YAG rod laser producing 84 W of average power at 1064 nm at 8 kHz repetition rate. Type-II phase-matched polished KTP crystal is used as the nonlinear crystal for second-harmonic generation. The individual green pulse width is 50 ns and the fundamental to second harmonic conversion efficiency is 61.8%.

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2014

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High average power passively Q-switched laser diode side-pumped green laser by using Nd:YAG/Cr4+:YAG/YAG composite crystal

Zhu

Wang

et al. 2014

Journal of Laser Applications

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Articles you may be interested inNote: A simple technique for reduction of the fall time and enhancement of the peak power of diode side-pumped intracavity frequency doubled repetitively Q-switched green laser pulse Rev. Sci. Instrum. 82, 046113 (2011); 10.1063/1.3585071 A simple, compact, and efficient diode-side-pumped linear intracavity frequency doubled Nd:YAG rod laser with 50 ns pulse width and 124 W green output power Rev. Sci. Instrum. 81, 073104 (2010); 10.1063/1.3457000 Continuous wave and passively Q -switched laser performance of a Nd-doped mixed crystal Nd : Lu 0.5 Gd 0.5 V O 4 Appl. Phys. Lett. 90, 231110 (2007); 10.1063/1.2747186 Self-mode locking in a diode-pumped self-Q -switched green laserIn this paper, a high average power passively Q-switched, laser diode side-pumped green laser at 532 nm was reported by using Nd:YAG/Cr 4þ :YAG/YAG composite crystal for the first time. The performances of the average power, pulse width, and pulse repetition rate on pump power were measured. Under the pump power of 187.5 W, the Q-switched green laser was obtained with the average power of 27.2 W, pulse width of 210 ns, and the repetition rate of 21.2 kHz. The single-pulse energy was 1.28 mJ and peak power was higher than 6.1 kW. V C 2014 Laser Institute of America.

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High average power passively Q-switched laser diode side-pumped green laser by using Nd:YAG/Cr4+:YAG/YAG composite crystal

Zhu

Wang

et al. 2014

Journal of Laser Applications

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Efficient and high-power green beam generation by frequency doubling of acousto-optic Q-switched diode-side pumped Nd:YAG rod laser in a coupled cavity

Cited by 1 publication

References 8 publications

High average power passively Q-switched laser diode side-pumped green laser by using Nd:YAG/Cr4+:YAG/YAG composite crystal

High average power passively Q-switched laser diode side-pumped green laser by using Nd:YAG/Cr4+:YAG/YAG composite crystal

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