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A Novel Wavelength Detection Method Based on Wavelength Absorption in Silicon
Publié en 2016
A new filter-less method of detecting the spectrum based on wavelength absorption in silicon is proposed. Wavelength dependent absorption coefficient produces a unique excess carrier distribution. Thus the wavelength spectral information can be obtained by measuring the photon generated electron-hole pairs as a function of depth. A model built with the COMSOL Multiphysics® software along with MATLAB® calculations were used to validate the detection principle.
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