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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 37, Iss. 9 — Mar. 20, 1998
  • pp: 1642–1646

Difference frequency generation of 5–18 μm in a AgGaSe2 crystal

Kazi Sarwar Abedin, Sajjad Haidar, Yuji Konno, Choichi Takyu, and Hiromasa Ito  »View Author Affiliations


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

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

History
Original Manuscript: May 21, 1997
Revised Manuscript: October 14, 1997
Published: March 20, 1998

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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