Design of a configurable multispectral imaging system based on an AOTF

Design of a configurable multispectral imaging system based on an AOTF

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, t...

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Veröffentlicht in:IEEE transactions on ultrasonics, ferroelectrics, and frequency control ferroelectrics, and frequency control, 2011-01, Vol.58 (1), p.259-262
Hauptverfasser: Vila-Francés, Joan, Calpe-Maravilla, Javier, Gómez-Chova, Luis, Amorós-López, Julia
Format: Artikel
Sprache:eng
Schlagworte:
Acousto-optical devices
Bandwidth
Configurable
Design engineering
Digital
Exact sciences and technology
Ferroelectric materials
Filtering
Frequency generators
Fundamental areas of phenomenology (including applications)
Imaging
Instruments
Optical elements, devices, and systems
Optical filters
Optics
Physics
Power amplifiers
RF signals
Spectra
Wavelengths
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Beschreibung
Zusammenfassung: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.
ISSN:0885-3010
1525-8955
DOI:10.1109/TUFFC.2011.1795