Spatial Interferometry in the Mid Infrared

Charles H. Townes

doi:10.1364/NLO.1992.ThC1

Nonlinear Optics: Materials, Fundamentals, and Applications
Technical Digest Series (Optica Publishing Group, 1992),
paper ThC1
•https://doi.org/10.1364/NLO.1992.ThC1

Spatial Interferometry in the Mid Infrared

Charles H. Townes

Nonlinear Optics 1992

Lahaina, Maui, Hawaii United States
17–21 August 1992
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Plenary 2 (ThC)

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C. H. Townes, "Spatial Interferometry in the Mid Infrared," in Nonlinear Optics: Materials, Fundamentals, and Applications, Technical Digest Series (Optica Publishing Group, 1992), paper ThC1.

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Abstract

A spatial interferometer for high angular resolution of astronomical objects has been constructed and installed on Mount Wilson. It involves two movable telescopes each of 65-incn aperture, heterodyne detection using CO₂ lasers as local oscillators, laser monitoring of optical path lengths, and lobe rotation.

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