Conversion of high-power 15-fs visible pulses to the mid infrared

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DOIResolve DOI: http://doi.org/10.1364/OL.26.000099
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TypeArticle
Journal titleOptics Letters
Volume26
Issue2
Pages99101; # of pages: 3
Subjectharmonic generation and mixing; nonlinear optics; ultrafast lasers; ultrafast nonlinear optics; ultrafast optics
AbstractWe measure the efficiency of converting high-power 15-fs 0.8-μm pulses to the mid infrared in GaAs and GaSe as well as the pulse duration and the spectrum of the infrared radiation that is produced. Free-carrier production limits the conversion efficiency in GaAs to approximately 5×10-7 , allowing us to produce 2.5-pJ, 30-fs pulses spanning the spectral range from 6 to 14 μm . In GaSe we obtain, in a moderately saturated regime, a conversion efficiency of 7.5×10-5 , limited by two-photon absorption, allowing us to produce pulses of 100-fs duration containing 10 nJ of energy.
Publication date
PublisherOSA Publishing
LanguageEnglish
AffiliationNational Research Council Canada; NRC Steacie Institute for Molecular Sciences
Peer reviewedYes
NPARC number12328319
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Record identifier2b9bb993-8240-4c97-8903-7ace0bb7911e
Record created2009-09-10
Record modified2016-05-09
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