HIGH-REPETITION-RATE FEMTOSECOND OPTICAL PARAMETRIC OSCILLATOR AMPLIFIER SYSTEM NEAR 3 MU-M

被引:26
作者
HOLTOM, GR
CROWELL, RA
XIE, XS
机构
[1] Environmental Molecular Sciences Laboratory, Pacific Northwest Laboratory, Richland, WA, 99352
关键词
D O I
10.1364/JOSAB.12.001723
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
An ultrafast laser system for the chemically important 3-mu m spectral region has been constructed by means of noncritically phased-matched KTiOPO4 optical parametric gain elements. An optical parametric oscillator, synchronously pumped by a mode-locked Ti:sapphire oscillator, generates high-quality seed pulses for an optical parametric amplifier. The optical parametric amplifier, pumped by a high-repetition-rate Ti:sapphire regenerative amplifier, amplifies the seed pulses by a factor of 520. Pulses with an energy of 550 nJ and a pulse width of 160 fs are produced at a 250-kHz repetition rate in the 3-mu m region.
引用
收藏
页码:1723 / 1731
页数:9
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