Broadband sum-frequency generation of spectrally incoherent pulses

被引：34

作者：

Dorrer, Christophe ^{[1
]}

Spilatro, Michael ^{[1
]}

Herman, Steven ^{[1
]}

Borger, Ted ^{[1
]}

Hill, Elizabeth M. ^{[1
]}

机构：

[1] Univ Rochester, Lab Laser Energet, 250 East River Rd, Rochester, NY 14623 USA

来源：

OPTICS EXPRESS | 2021年 / 29卷 / 11期

关键词：

OPTICAL PARAMETRIC AMPLIFICATION; FINITE-BANDWIDTH DRIVER; 2ND-HARMONIC GENERATION; HARMONIC-GENERATION; ULTRASHORT; CONVERSION; DESIGN; SCHEME;

D O I：

10.1364/OE.424167

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We study and demonstrate the nonlinear frequency conversion of broadband optical pulses from 1053 nm to 351 nm using sum-frequency generation with a narrowband pulse at 526.5 nm. The combination of angular dispersion and noncollinearity cancels out the wave-vector mismatch and its frequency derivative, yielding an order-of-magnitude increase in spectral acceptance compared to conventional tripling. This scheme can support the nonlinear frequency conversion of broadband spectrally incoherent nanosecond pulses generated by high-energy lasers and optical parametric amplifiers to mitigate laser-plasma instabilities occurring during interaction with a target. The experimental results obtained with KDP crystals are in excellent agreement with modeling, demonstrating the generation of spectrally incoherent pulses with a bandwidth larger than 10 THz at 351 nm. (C) 2021 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

引用

收藏

页码：16135 / 16152

页数：18

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