TeO2 and Te acousto-optic spectrometer imaging system

Dominique Jacques Souilhac; Dominique Billerey

doi:10.1117/12.197378

21 December 1994 TeO2 and Te acousto-optic spectrometer imaging system

Dominique Jacques Souilhac, Dominique Billerey

Proceedings Volume 2312, Optics in Atmospheric Propagation and Random Phenomena; (1994) https://doi.org/10.1117/12.197378
Event: Satellite Remote Sensing, 1994, Rome, Italy

Abstract

An improved TeO₂ and Te infrared acoustooptic tuneable spectrometer has been analysed, using infrared fibres, a high speed frequency synthesiser and optimised algorithms. A comparison is made with the next best AOTF infrared materials, Tl₃AsSe₃, HgCl₂ and PbBr₂. A design study of the TeO2 and Te AO imaging spectrometer is also presented, operating in the two thermal bands, 1-5micrometers and 6-12micrometers , using an interchangeable fore-optics and a multiplexed electronically scanned infrared array cooled at 77 degrees K. Some initial experimental results indicate that these systems can perform well, an increase in the dynamic range in the 8-12 micrometers and is obtained compared to the 3-5*m band. It can be very useful in chemical process control, medical diagnostics, aerospace and earth remote sensing. Based on recent imaging spectrometer development, a design study of the TeO₂ AO imaging spectrometer in the 0.4-1 micrometers band, for simultaneous spectroscopy at every pixel, is presented, using a CCD camera and fast data processing technology.

Citation Download Citation

Dominique Jacques Souilhac and Dominique Billerey "TeO2 and Te acousto-optic spectrometer imaging system", Proc. SPIE 2312, Optics in Atmospheric Propagation and Random Phenomena, (21 December 1994); https://doi.org/10.1117/12.197378

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