新型SBS介质FC-43和FC-70百皮秒脉冲压缩特性研究*
Investigation on the compression properties of new SBS mediums FC-43 and FC-70 for generating hundreds picoseconds pulse*
本文提出了两种新的具有很好的特性和极好的性能的受激布里渊散射（SBS）介质FC-43和FC-70。计算并测量了FC-43和FC-70的SBS参数。两种介质都具有较低的吸收性能，较高的光学载荷和较短的声子寿命。我们已经获得的SBS最短压缩脉冲宽度，分别为FC-43的235 ps和FC-70的175 ps，并且两种介质的最高能量反射率都在80%以上。我们还研究了压缩脉冲的稳定性。当输入激光脉冲能量为300 mJ时，对于FC-43介质，压缩后的脉冲宽度在235 ps和355 ps之间，波动范围100 ps，平均宽度280 ps；对于FC-70，压缩后的脉冲宽度为175 ps和235 ps之间，波动范围60 ps，平均宽度200 ps。FC-70的压缩效率和稳定性比FC-43更好，因此FC-70更适合作为产生百皮秒脉冲的SBS介质。
his paper gives out two kinds of novel stimulated Brillouin scattering (SBS) mediums with excellent quality and superior performance, FC-43 and FC-70. The SBS parameters of FC-43 and FC-70 are calculated and measured. Both of these two mediums have the properties of lower absorption, higher optical loads and short phonon lifetime. The shortest pulse width achieved by SBS compressor was 235 ps for FC-43 and 175 ps for FC-70, and the highest energy reflectivity was more than 80% in both mediums. The stability of compressed pulse was studied. When the energy of input laser pulse was 300 mJ, the compressed pulse width was between 235 ps and 355 ps for FC-43, with a fluctuation range of 100 ps and an average width of 280 ps. And for FC-70, the compressed pulse width was between 175 ps and 235 ps with a fluctuation range of 60 ps and an average width of 200 ps. The compression efficiency and stability of FC-70 is better than FC-43, indicating FC-70 is more suitable to be used as the SBS medium to generate hundred-picosecond pulses.
成思勋、吕志伟、何伟明、乔治、林殿阳、仲召明、王雪阳、哈斯乌力吉
物理学光电子技术
受激布里渊散射（SBS）SBS介质声子寿命
Stimulated Brillouin Scattering (SBS) SBS medium phonon lifetime
成思勋,吕志伟,何伟明,乔治,林殿阳,仲召明,王雪阳,哈斯乌力吉.新型SBS介质FC-43和FC-70百皮秒脉冲压缩特性研究*[EB/OL].(2013-10-15)[2025-08-02].http://www.paper.edu.cn/releasepaper/content/201310-144.点此复制
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