9 May 2018 Analysis of the spectrum of optical pulses: time-dispersion and diffraction methods
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Abstract
An analysis of the spectrum of optical pulses by dispersion-time spectrum analyzer and a diffraction grating spectral device is considered. A theory of the dispersion-time spectrum analyzer of single optical pulses is proposed, which is an optical analog of the dispersion-time method for measuring spectra of radio signals, and the optical fiber is used as the dispersive medium. A computer simulation of the evolution of a monochromatic pulse propagating in a dispersive system in optical fiber is performed, which makes it possible to determine its minimum length and the dynamics of analysis of the instantaneous spectrum of a single optical pulse when the spectrum is measured by a diffraction optical spectral device.
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Ivan Belekhov, Ivan Belekhov, Ilya Izhboldin, Ilya Izhboldin, Vasily Kazakov, Vasily Kazakov, Anastasiya Kuryleva, Anastasiya Kuryleva, Oleg Moskaletz, Oleg Moskaletz, } "Analysis of the spectrum of optical pulses: time-dispersion and diffraction methods", Proc. SPIE 10680, Optical Sensing and Detection V, 1068026 (9 May 2018); doi: 10.1117/12.2306754; https://doi.org/10.1117/12.2306754
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