Compact Multichannel FTIR-Sensor With A Savart-Plate Interferometer

S. Kawata; Y. Inouye; S. Minami

doi:10.1117/12.969605

1 December 1989 Compact Multichannel FTIR-Sensor With A Savart-Plate Interferometer

S. Kawata, Y. Inouye, S. Minami

Proceedings Volume 1145, 7th Intl Conf on Fourier Transform Spectroscopy; (1989) https://doi.org/10.1117/12.969605
Event: Seventh International Conference on Fourier and Computerized Infrared Spectroscopy, 1989, Fairfax, VA, United States

Abstract

Several years ago we invented a new type of Fourier-transform spectrometer using a shearing interferometer and a multichannel detector 1 ,2. Since this type of spectrometer contains no mechanically moving parts, it has many potential applications including a compact-size FTIR sensor for field-use and time-resolved spectroscopy of fast or transient phenomena. We have investigated several types of common-path interferometers with particular emphasis on easy optical alignment, durability, and ruggedness1-5. In this paper, we propose a new multichannel FTIR system with an extremely high optical throughput, which may prove optimal for field-use sensor applications.

Citation Download Citation

S. Kawata, Y. Inouye, and S. Minami "Compact Multichannel FTIR-Sensor With A Savart-Plate Interferometer", Proc. SPIE 1145, 7th Intl Conf on Fourier Transform Spectroscopy, (1 December 1989); https://doi.org/10.1117/12.969605

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