Two-dimensional PPLN for simultaneous laser Q-switching and optical parametric oscillation in a Nd:YVO(4) laser

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题名:	Two-dimensional PPLN for simultaneous laser Q-switching and optical parametric oscillation in a Nd:YVO(4) laser
作者:	Chang,WK;Chen,YH;Chang,HH;Chang,JW;Chen,CY;Lin,YY;Huang,YC;Lin,ST
贡献者:	光電科學與工程學系
关键词:	PERIODICALLY POLED LINBO3;LITHIUM-NIOBATE;ND-YVO4 LASER;CRYSTAL;CONVERTER
日期:	2011
上传时间:	2012-03-27 18:17:03 (UTC+8)
出版者:	國立中央大學
摘要:	We report on a tunable intracavity optical parametric oscillator (IOPO) achieved using a two-dimensional (2D) periodically poled lithium niobate (PPLN) as simultaneously an electro-optic (EO) Bragg Q-switch and an optical frequency mixer (OFM) in a diode-pumped Nd:YVO(4) laser. The 2D periodic domain inversion structure is designed to provide two orthogonal reciprocal vectors to respectively satisfy the phase-matching conditions required by the two quasi-phase-matching devices (i.e., the PPLN EO Bragg deflector and the PPLN OFM). At a similar to 140-V Q-switching voltage and a 1-kHz switching rate, we obtained a signal wave at 1550 nm with a pulse energy of 9.7 mu J (corresponding to a peak power of similar to 2.4 kW) from the IOPO at 9.1-W diode pump power. Simultaneously we also observed multi-wavelength generation from the system originating in the single-pass parametric conversions in the 2D nonlinear photonic crystal structure. Temperature tuning of the IOPO signal wavelength in the eyesafe region was also demonstrated. (C) 2011 Optical Society of America
關聯:	OPTICS EXPRESS
显示于类别:	[光電科學與工程學系] 期刊論文

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