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Proceedings Paper

Infrared focal plane array with a built-in stationary Fourier-transform spectrometer: recent technological advances
Author(s): Yann Ferrec; Nicolas Guérineau; Sylvain Rommeluère; Sidonie Lefebvre; Florence de la Barrière; Gilles Lasfargues; Manuel Fendler
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Paper Abstract

A concept of Fourier-transform infrared spectrometer integrated on a focal plane array (FTIR-FPA) has been developed for very fast acquisition of spectral signatures. The basic idea is to use the upper surface of the focal plane array as the first mirror of a two-wave interferometer, which creates interference fringes directly inside the active layer. Two technologies have been developed. In a "monolithic" version of our FTIR-FPA concept, the cavity is made by grinding the substrate to the shape of a wedge. In a "hybrid" version, the cavity is made by hybridizing a Silicon plate just above the focal plane array.

Paper Details

Date Published: 31 May 2012
PDF: 7 pages
Proc. SPIE 8353, Infrared Technology and Applications XXXVIII, 835323 (31 May 2012); doi: 10.1117/12.919387
Show Author Affiliations
Yann Ferrec, ONERA (France)
Nicolas Guérineau, ONERA (France)
Sylvain Rommeluère, ONERA (France)
Sidonie Lefebvre, ONERA (France)
Florence de la Barrière, ONERA (France)
Gilles Lasfargues, CEA-LETI/MINATEC (France)
Manuel Fendler, CEA-LETI/MINATEC (France)

Published in SPIE Proceedings Vol. 8353:
Infrared Technology and Applications XXXVIII
Bjørn F. Andresen; Gabor F. Fulop; Paul R. Norton, Editor(s)

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