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《Laser & Infrared》 2016-01
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Difference-frequency generation of near-IR by type-Ⅱ non-critical phase-matched technique

LU Yi-xin;YANG Sen-lin;ZHAO Xiao-xia;ZHANG Bian-lian;Institute of Applied Physics,Xi'an university;  
The device that generate near infrared radiation by difference-frequency is reported. This device uses1. 064 μm LD as signal light and 0. 56 ~ 0. 71 μm dye laser as pumped light. High power tunable near infrared laser was generated through nonlinear LBO crystal,and its wavelength range is 1. 4 ~ 2. 2 μm. Difference-frequency generation was realized under type-Ⅱ phase-matched through temperature-tuned non-critical phase-matched( NCPM). The average power output is above 35 m W,and laser conversion efficiency reaches 12. 2% at 1. 6 μm. This device has the characteristics of broad tunable range and narrow linewidth,and can be widely used in many applications.
【Fund】: 国家自然基金青年项目(61401356)资助课题
【CateGory Index】: TN248;TN216
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