High-contrast optical-parametric amplifier as a front end of high-power laser systems
2007; Optica Publishing Group; Volume: 32; Issue: 15 Linguagem: Inglês
10.1364/ol.32.002143
ISSN1539-4794
AutoresC. Dorrer, I. A. Begishev, A. V. Okishev, J. D. Zuegel,
Tópico(s)Laser Design and Applications
ResumoA high-contrast preamplifier based on optical-parametric amplification with a short pump pulse is demonstrated. A gain larger than 10(5) and measurement-limited contrast higher than 10(11) are obtained over a large temporal range extending within less than 10 ps of the peak of the pulse, because of the high instantaneous parametric gain provided by a short pump pulse in a nonlinear crystal. The energy gain and high contrast of this preamplifier make it a good seed source for high-power laser systems.
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