25 December 1979 Long-Wavelength Interferometer In The Optical Shop
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The in situ testing of an unpolished off-axis parabolic mirror with a vertex radius of 12.8 m, a diameter of 1.42 m, and an off-set of 1 m is described. Interferograms are shown that were obtained during the fabrication process by means of a lona-wavelength interferometer that uses a CW CO2 laser operating at a wavelength of 10.6 µm as the coherent light source.
© (1979) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Osuk Kwon, J. C. Wyant, C. R. Hayslett, "Long-Wavelength Interferometer In The Optical Shop", Proc. SPIE 0192, Interferometry, (25 December 1979); doi: 10.1117/12.957841; https://doi.org/10.1117/12.957841


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