Femtosecond noncollinear parametric amplification in the mid-infrared

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We demonstrate the potential of noncollinear parametric interaction in a traveling wave MgO:LiNbO3 optical parametric amplifier operating in the mid infrared near 3 mu m. Our calculations indicate that for pump wavelengths below 816 nm (the wavelength near which collinear group matching is achieved at a fixed signal wavelength of 1064 nm), the group velocity mismatch can be reduced and the parametric gain can be increased by noncollinear propagation of the three beams. Experimentally we verify this by producing approximate to 2.5 times higher energy and shorter pulse duration (125 fs against 180 fs) at the idler wavelength by noncollinear interaction as compared to collinear interaction. (C) 1999 Elsevier Science B.V. All rights reserved
Publisher
ELSEVIER SCIENCE BV
Issue Date
1999-10
Language
English
Article Type
Article
Keywords

BETA-BARIUM BORATE; SPECTRAL RANGE; PULSES; GENERATION; AMPLIFIER; CRYSTAL

Citation

OPTICS COMMUNICATIONS, v.169, no.1-6, pp.183 - 188

ISSN
0030-4018
DOI
10.1016/S0030-4018(99)00397-1
URI
http://hdl.handle.net/10203/212799
Appears in Collection
PH-Journal Papers(저널논문)
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