Partial Elimination of Shot Noise in Optical Delayed Heterodyne Interferometer with Incoherent Light Using Spectral Interference
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概要
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We succeeded in reducing the shot noise inherent in the optical delayed heterodyne interferometer with incoherent light by introducing spectral interference.Theoretically, the shot noise level of our interferometer is 1/M of the conventional delayed heterodyne interferometer, where M is the number wavelength divisions of the spectral interference.In our simulation experiment, the shot noise was reduced 20 dB from the conventional delayed heterodyne interferometer. This technique will reduce the image-acquisition time of optical reflectometry that uses incoherent light.
- 社団法人応用物理学会の論文
- 2000-08-15
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