High-efficiency amplification of non-principal plane of yttrium calcium oxyborate

High-efficiency amplification of non-principal plane of yttrium calcium oxyborate
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硼酸钇钙非主面高效放大

DOI:
10.1117/12.2598244
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发表时间:
2021-06
期刊:
PROCEEDINGS OF SPIE
影响因子:
--
通讯作者:
Xu Zhizhan
Xu Zhizhan
中科院分区:
其他
文献类型:
--
作者:
Chen Liming;Yu Lianghong;Li Jinfeng;Wang Aotian;Liang Xiaoyan;Li Ruxin;Xu Zhizhan

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高效率宽带OPCPA是实现数拍瓦甚至数百拍瓦激光系统的重要途径之一,我们在YCOB三维空间中演示了中心波长在800 nm附近的宽带OPCPA。两种YCOB晶体在主面和非主面上均具有PM,最大转换效率约为15%,压缩持续时间为30.6fs。不同PM角的放大能量和转换效率证实了NPP上的有效非线性系数(deff)远高于主平面上的有效非线性系数(PP)。三维空间的保偏放大器具有更高的分辨率、更宽的放大带宽和非线性晶体保偏放大器不能放大的增益波长范围,值得研究。非线性晶体三维空间中的光功率放大器可用于拍瓦级或几周波的高功率激光系统中。
High-efficiency and broadband OPCPA is one of the methods to achieve multi-petawatt or even hundreds petawatt laser .system.We demonstrate broadband OPCPA centered near 800 nm in 3D space of YCOB. A maximum conversion .efficiency of ~15% and compressed duration of 30.6 fs are achieved for two types of YCOB crystals with PM on the .principal and non-principal planes (NPP). The amplified energies and conversion efficiencies of different PM angles .confirm that the effective nonlinear coefficient (deff) on the NPP is much higher than that on the principal plane (PP). It .is worth studying on PM in 3D space to support higher deff, wider amplification bandwidths, and gain wavelength .ranges that cannot be amplified on the PP of nonlinear crystals. OPCPA in the 3D space of nonlinear crystal can be used .as amplifiers in petawatt scale or few-cycle high-power laser systems.
DOI: 10.1007/b138685
发表时间: 2005-01
影响因子: 3
作者:
D. N. Nikogosyan
通讯作者: D. N. Nikogosyan
DOI: --
发表时间: 2015
期刊: --
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发表时间: 2019-07
期刊: Nonlinear Optics (NLO)
影响因子: --
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