PARAMETRIC GENERATION OF FEMTOSECOND AND PICOSECOND PULSES FOR SPECTROSCOPIC APPLICATIONS

被引:38
作者
LAENEN, R
WOLFRUM, K
SEILMEIER, A
LAUBEREAU, A
机构
[1] Physikalisches Institut, Universität Bayreuth, Bayreuth
关键词
D O I
10.1364/JOSAB.10.002151
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Parametric three-photon interaction provides continuously tunable ultrashort pulses in extended spectral regions from the UV to the mid-IR. We focus on parametric systems operating in the pulsed mode. Optical parametric oscillators pumped by intense microsecond trains of subpicosecond pulses exhibit favorable properties. We present data on a pulsed optical parametric oscillator that has a wide tuning range from 0.7 to 1.8 mum, a conversion efficiency of a few percent, and a minimum pulse duration of as low as 65 fs. Larger tuning ranges are covered by subsequent downconversion or parametric amplification. We discuss the generation of less than or similar to 1-ps pulses at wavelengths between 2 and 18 mum. Finally the potential of parametrically generated IR pulses is demonstrated by several applications.
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收藏
页码:2151 / 2161
页数:11
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