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Compact transient-grating self-referenced spectral interferometry for sub-nanojoule femtosecond puls

上海光学精密机械研究所 免费考研网/2018-05-06

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外文题目: Compact transient-grating self-referenced spectral interferometry for sub-nanojoule femtosecond pulse characterization
作者: Shen, Xiong; Wang, Peng; Liu, Jun; Li, Ruxin
刊名: Appl. Optics
年: 2017 卷: 56 期: 3 页: 582--586
英文关键词:

PHASE; SPECTROSCOPY; GENERATION
英文摘要:
The self-referenced spectral interferometry (SRSI) technique, which is usually used for microjoule-level femtosecond pulse characterization, is improved to characterize weak femtosecond pulses with nanojoule based on the transient-grating effect. Both femtosecond pulses from an amplifier with 3 nJ per pulse at 1 kHz repetition rates and femtosecond pulses from an oscillator with less than 0.5 nJ per pulse at 84 MHz repetition rates are successfully characterized. Furthermore, through a special design, the optical setup of the device is even smaller than a palm, which will make it simple and convenient during the application. These improvements extend the application of the SRSI technique to the characterization of femtosecond pulses in a broad range. Not only pulses from an amplifier but also pulses from an oscillator or weak pulses used in ultrafast spectroscopy can be monitored with this SRSI method right now. (C) 2017 Optical Society of America


文献类型: 期刊论文
正文语种: English
收录类别: SCI
DOI: 10.1364/AO.56.000582


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