Brillouin gain spectrum manipulation using multifrequency pump and probe for slope-assisted BOTDA with wider dynamic range
Brillouin gain spectrum manipulation using multifrequency pump and probe for slope-assisted BOTDA with wider dynamic range
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DOI：
10.35848/1882-0786/ac4a0c
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发表时间：
2022-01
影响因子：
2.3
通讯作者：
Kazuki Hoshino;Daiki Saito;Yuma Endo;Takahiro Hasegawa;Yosuke Tanaka
中科院分区：
文献类型：
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作者：
Kazuki Hoshino;Daiki Saito;Yuma Endo;Takahiro Hasegawa;Yosuke Tanaka
提出了一种利用多频泵浦和探测产生的虚拟布里渊增益谱进行斜率辅助布里渊光时域分析的方法。具有100 MHz的宽线性斜率区域的虚拟BGS容易通过采用时间到空间的频谱整形技术来生成，该技术最初被开发用于生成短光脉冲。我们演示了通过使用泵浦和探测的五个光谱分量实现的虚拟BGS的分布。
We propose slope-assisted Brillouin optical time domain analysis (SA-BOTDA) with virtual Brillouin gain spectrum (BGS) generated by a multifrequency pump and probe. The virtual BGS having a wide linear slope region of 100 MHz is easily generated by employing a time-to-space spectral shaping technique that has been originally developed for generating short optical pulses. We demonstrate the distribution of virtual BGS realized by using five spectral components of pump and probe.