Journal
OPTICS EXPRESS
Volume 16, Issue 23, Pages 18863-18868Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.16.018863
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Funding
- Ministry of Education (MOE) in Taiwan
- Osaka University
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Ultrabroadband visible noncollinear optical parametric amplification (NOPA) was achieved in an LBO crystal, with a continuum seed pulse generated from a sapphire plate. The spectral bandwidth of the amplified visible pulse was about 200 nm, which can support sub-5 fs pulse amplification. An amplified output of 0.21 uJ with an average gain of about 210 was achieved. This provides, to the best of our knowledge, the first-time demonstration of such broadband amplification with a biaxial nonlinear optical crystal. Both the simulation and experimental results indicate that the LBO has a great potential as nonlinear medium in power amplifier for TW to PW noncollinear optical parametric chirped pulse amplification (NOPCPA) systems. (C) 2008 Optical Society of America
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