A tunable optical parametric generator by using a quasi-phase-matched crystal with different wedge angles
Chinese Optics Letters, Vol. 4, Issue 4, pp. 234-236 (2006)
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Abstract
We report a tunable quasi-phase-matched optical parametric generator (OPG) with different wedge angles, pumped by a commercially available Q-switched diode-pumped Nd:YVO4 laser with a repetition of 50 kHz. The nonlinear crystal is a periodically poled MgO-doped LiNbO3 (PPMgOLN) with a period of 30 um. A congruent bulk LiNbO3 (LN) with three different wedge angles of 0, 4, and 9 deg. is placed in front of PPMgOLN. Rapid tuning has been achieved by simply moving the LN crystal along its lateral direction and over 60-mW average signal output power was obtained in the whole wavelength tuning range of 1539-1570 nm.
© 2005 Chinese Optics Letters
OCIS Codes
(190.2620) Nonlinear optics : Harmonic generation and mixing
(190.4410) Nonlinear optics : Nonlinear optics, parametric processes
(190.4970) Nonlinear optics : Parametric oscillators and amplifiers
Citation
Tieli Zhang, Baigang Zhang, Haifeng Li, Feng Ji, Yang Lu, Xin Zhao, Peng Wang, and Jianquan Yao, "A tunable optical parametric generator by using a quasi-phase-matched crystal with different wedge angles," Chin. Opt. Lett. 4, 234-236 (2006)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-4-4-234
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