Ultrafast photonic time-stretch imaging using an optically transparent medium

Ultrafast photonic time-stretch imaging using an optically transparent medium
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使用光学透明介质的超快光子时间拉伸成像

DOI:
10.35848/1882-0786/abb344
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发表时间:
2020-09
影响因子:
2.3
通讯作者:
Daoyin Yu
Daoyin Yu
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
Qian Zhu;Leran Wang;Lei Yang;Hongbo Xie;Daoyin Yu

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一个专门设计的光学透明介质(OTM)被用来映射脉冲频谱的时间波形,并利用单像素光电二极管在MHz尺度的检测。我们提出并证明了一个可行的光子时间拉伸成像(PTSI)的实验安排,由一个紧凑的OTM与200 × 180 × 10 mm的体积,这导致37个内反射和8.04米的光束的传播长度。通过从40 fs扩展到2.4 ns的光脉冲实现的模拟结果,坚定地验证了OTM-PTSI系统在瞬态检测和诊断应用中的巨大潜力。
A specially-designed optically transparent medium (OTM) is employed to map a pulse spectrum to a temporal waveform and utilize a single-pixel photodiode for detection at the MHz scale. We propose and demonstrate a feasible experimental arrangement for photonic time-stretch imaging (PTSI), composed of a compact OTM with a 200 × 180 × 10 mm volume, which results in 37 inner reflections and an 8.04 m propagation length of the light beam. The simulation results, realized by an optical pulse stretched from 40 fs to 2.4 ns, firmly verify the great potential for OTM-PTSI systems to be used in transient inspection and diagnosis applications.
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