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Experimental study on mid-infrared ZGP optical parametric oscillator
Author(s): 
Pages: 991-993
Year: Issue:  9
Journal: Laser & Infrared

Keyword:  lasersmid-infrared laserOPOthermal focal lengthZGP;
Abstract: A 110W fiber-coupled LD is used to pump the Tm:YAP crystal.The relation of thermal focal length and absorbed pump power is measured.According to the relation,the resonator of foundamental wave is designed,and a maximum output power of 32 W at a wavelength of 2 μm is obtained.The type Ⅰ phase-matching curve of ZGP-OPO that pumped by the laser at 2 μm is calculated,and the phase-matching angle is obtained when the ZGP-OPO gener-ates mid-infrared laser.The ZGP-OPO that is pumped by pulsed foundamental wave produces a maximum mid-infra-red output power of 10.5 W.The peak wavelength is 3.45 μm and 4.8 μm respectively,and the optical quality factor is 4.6.
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