Idler-resonant optical parametric oscillator based on KTiOAsO4

An idler-resonant KTiOAsO 4 (KTA) optical parametric oscillator is demonstrated within a diode-end-pumped acousto-optically Q-switched Nd:YAG laser. With an X-cut KTA crystal, idler wave at 3467 nm and signal wave at 1535 nm are generated. Under an incident diode pump power of 15.4 W, the idler outp...

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Bibliographic Details
Published in:Applied physics. B, Lasers and optics Lasers and optics, 2013-08, Vol.112 (1), p.83-87
Main Authors: Bai, Fen, Wang, Qingpu, Liu, Zhaojun, Zhang, Xingyu, Lan, Weixia, Tao, Xutang, Sun, Youxuan
Format: Article
Language:English
Subjects:
Beams (radiation)
Crystals
Diode pumps
Engineering
Idlers
Lasers
Optical Devices
Optical Parametric Oscillators
Optics
Photonics
Physical Chemistry
Physics
Physics and Astronomy
Pulse repetition rate
Quality factor
Quantum Optics
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Summary:An idler-resonant KTiOAsO 4 (KTA) optical parametric oscillator is demonstrated within a diode-end-pumped acousto-optically Q-switched Nd:YAG laser. With an X-cut KTA crystal, idler wave at 3467 nm and signal wave at 1535 nm are generated. Under an incident diode pump power of 15.4 W, the idler output power of 105 mW and signal power of 720 mW are obtained at a pulse repetition rate of 40 kHz. The pulse widths of the idler and signal waves are 7.2 and 3.1 ns, respectively. The beam quality factors (M 2 ) of the idler wave are within 1.2 in both horizontal and vertical directions.
ISSN:0946-2171
1432-0649
DOI:10.1007/s00340-013-5401-x