Difference Frequency Generation of 5-18 μm in a AgGaSe2 Crystal
Applied Optics, Vol. 37, Issue 9, pp. 1642-1646 (1998)
http://dx.doi.org/10.1364/AO.37.001642
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Abstract
Mid-infrared radiation in the 5–18-μm range has been obtained by difference frequency generation in a AgGaSe2 crystal by pumping with the output of a type I LiNbO3 optical parametric oscillator (OPO). Here we suggest the use of a LiTaO3 retarder to achieve an orthogonal state of polarization between OPO outputs that are necessary for efficient pumping of a AgGaSe2 crystal. Several tens of kilowatts of peak power near 8 μm and continuously tunable operation in the above range have been obtained.
© 1998 Optical Society of America
[Optical Society of America ]
OCIS Codes
(130.3730) Integrated optics : Lithium niobate
(140.3600) Lasers and laser optics : Lasers, tunable
(190.0190) Nonlinear optics : Nonlinear optics
(260.5430) Physical optics : Polarization
Citation
Kazi Sarwar Abedin, Sajjad Haidar, Yuji Konno, Choichi Takyu, and Hiromasa Ito, "Difference Frequency Generation of 5-18 μm in a AgGaSe2 Crystal," Appl. Opt. 37, 1642-1646 (1998)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-37-9-1642
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