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angle_resolved_raman_spectrometer [2015/11/10 16:14]
mr.octopus
angle_resolved_raman_spectrometer [2015/11/10 16:19] (当前版本)
mr.octopus
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The key to construct the angle resolved Raman spectrometer is to change the polarization of the incident beam while keep the intensity of the incident beam unchanged. The key to construct the angle resolved Raman spectrometer is to change the polarization of the incident beam while keep the intensity of the incident beam unchanged.
-I first tried to use a polarizer and a half quarter plate to create a circularly polarized light and then use a rotatable polarizer to create the linearly polarized light to act with the sample.However in practical I found this configuration has several problems. For instance the circularly-polarized light is hard both to produce and to maintain; the reflected light from the incident beam have to pass the polarizer inevitably due to the back scattering geometry of our device.+I first tried to use a polarizer and a half quarter plate to create a circularly polarized light and then use a rotatable polarizer to create the linearly polarized light to act with the sample.However in practical I found this configuration had several problems. For instance, the circularly-polarized light is hard both to produce and to maintain; the reflected light from the incident beam have to pass the polarizer inevitably due to the back scattering geometry of our device.
 
angle_resolved_raman_spectrometer.txt · 最后更改: 2015/11/10 16:19 由 mr.octopus
 
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