27 April 2010 Portable NIR/MIR Fourier-transform spectrometer based on a common path lamellar grating interferometer
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Abstract
We present a recently developed miniature scanning Fourier-Transform spectrometer (ARCspectro ANIR), which is based on a lamellar grating interferometer and uses a micro-mechanical actuator. The small dimensions of the interferometer (35 mm x 35 mm x 65 mm) and its low weight makes this device a truly portable Fourier-Transform spectrometer. Two different versions of this new spectrometer are presented: one version uses an InGaAs photodiode (0.9μm to 2.6 μm) and the other a MCT detector (2 to 4.5 μm). Their performances are discussed and also illustrated with measurement and application examples.
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F. Merenda, F. Merenda, S. Bühler, S. Bühler, H. Farah, H. Farah, G. Boer, G. Boer, T. Scharf, T. Scharf, } "Portable NIR/MIR Fourier-transform spectrometer based on a common path lamellar grating interferometer", Proc. SPIE 7680, Next-Generation Spectroscopic Technologies III, 76800V (27 April 2010); doi: 10.1117/12.849670; https://doi.org/10.1117/12.849670
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