Picosecond time‐resolved laser spectrometer with expanded delay range

Picosecond time‐resolved laser spectrometer with expanded delay range
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具有扩展延迟范围的皮秒时间分辨激光光谱仪

DOI:
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发表时间:
1988
期刊:
影响因子:
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通讯作者:
David E. Schloemer
David E. Schloemer
中科院分区:
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文献类型:
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作者:
Carey K. Johnson;J. M. Bostick;S. Mounter;K. Ratzlaff;David E. Schloemer

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我们开发了一种泵浦-探测皮秒光谱仪,能够进行时间分辨研究,时间跨度为90年,从皮秒到毫秒。该系统以高达2 kHz的重复频率工作,时间分辨率为1040 ps。泵浦光和探测光的平均功率为10 mW。该系统能够研究复杂系统中的分子动力学,如蛋白质,其中内部运动跨越广泛的时间尺度。
We have developed a pump‐probe picosecond spectrometer capable of time‐resolved studies spanning nine decades in time, from the picosecond to the millisecond regimes. The system operates at repetition rates up to 2 kHz with ∼40‐ps time resolution. Pump and probe beam average powers are ∼10 mW. The system is capable of studies of molecular dynamics in complex systems such as proteins, where internal motions span a wide range of time scales.