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1964•Japanese Journal of Applied PhysicsRequires access

Far Infrared Spectroscopy of Compressed Gases Using a Michelson Interferometer

D. R. Bosomworth, Herbert P. Gush

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Abstract

The absorption coefficients of the compressed gases hydrogen, nitrogen, and a heliumargon mixture have been determined in the wave number region 20–400 cm-1. A Michelson interferometer has been used to make the measurements. Accurate absorption coefficients may be obtained using the Fourier Transform method of spectroscopy provided certain precautions are taken in the analysis. These precautions are discussed and typical absorption spectra are shown.

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What this paper is about

The absorption coefficients of the compressed gases hydrogen, nitrogen, and a heliumargon mixture have been determined in the wave number region 20–400 cm-1. A Michelson interferometer has been used to make the measurements. Accurate absorption coefficients may be obtained using the Fourier Transform method of spectroscopy provided certain precautions are taken in the analysis. These precautions are discussed and typical absorption spectra are shown.

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Available abstract

The absorption coefficients of the compressed gases hydrogen, nitrogen, and a heliumargon mixture have been determined in the wave number region 20–400 cm-1. A Michelson interferometer has been used to make the measurements. Accurate absorption coefficients may be obtained using the Fourier Transform method of spectroscopy provided certain precautions are taken in the analysis. These precautions are discussed and typical absorption spectra are shown.

Key concepts: Michelson interferometer, Spectroscopy, Fourier transform spectroscopy, Interferometry, Absorption spectroscopy, Absorption (acoustics), Infrared spectroscopy, Optics

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