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Systems and methods for pump-probe spectroscopy
Systems and methods for pump-probe spectroscopy
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机译:泵浦探针光谱学的系统和方法
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摘要
Pump-probe spectroscopy systems are provided. In an embodiment, such a system comprises an optical subsystem configured to generate a pulsed pump beam and a pulsed probe beam, the pulsed probe beam having a probe pulse frequency ω of at least 20 kHz; a detector subsystem configured to detect a sample signal induced by the pulsed pump beam and the pulsed probe beam; a chopper configured to adjust the frequency of the pump beam to ω/2, wherein the chopper is synchronized with a detector of the detector subsystem but is unsynchronized with the pulsed probe beam; and a data acquisition subsystem configured to initiate acquisition of image data by the detector based on a trigger signal derived from the pulsed pump beam.
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