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Free-electron laser oscillator for simultaneous narrow spectral resolution and fast time resolution spectroscopy
Free-electron laser oscillator for simultaneous narrow spectral resolution and fast time resolution spectroscopy
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机译:自由电子激光振荡器可同时实现窄光谱分辨率和快速时间分辨率光谱
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摘要
The present invention provides in a Free electron laser a means to increase the temporal resolution of the optical pulses while simultaneously increasing the spectral resolution of the pulse train. The increase in temporal resolution is achieved by introducing a quadratic temporal phase variation (i.e. linear frequency chirping) across the pulses, and then propagating the outcoupled pulses through a dispersive relay line to compress them to the transform limit of the broadened spectrum.
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