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Design of a configurable multispectral imaging system based on an AOTF

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4 Author(s)
Vila-Francés, J. ; Dept. of Electron. Eng., Univ. of Valencia, Valencia, Spain ; Calpe-Maravilla, J. ; Gómez-Chova, L. ; Amorós-López, J.

In this paper, we present a configurable multispectral imaging system based on an acousto-optic tunable filter (AOTF). Typically, AOTFs are used to filter a single wavelength at a time, but thanks to the use of a versatile sweeping frequency generator implemented with a direct digital synthesizer, the imager may capture a configurable spectral range. Experimental results show a good spectral and imaging response of the system for spectral bandwidth up to a 50 nm.

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Ultrasonics, Ferroelectrics, and Frequency Control, IEEE Transactions on  (Volume:58 ,  Issue: 1 )