Laser interferometers for measuring lengths, gas refraction indexes, and laser wavelengths and for determining relative object positions have been developed. The instruments are based on a traditional principle of fringe-counting interferometers; for the determination of positions a reversed aperture interferometer sensitive to light-source displacements has been used.
© 1972 Optical Society of America
Original Manuscript: June 4, 1971
Published: February 1, 1972
V. P. Koronkevitch, G. A. Lenkova, A. M. Tsherbatchenko, A. I. Lokhmatov, V. P. Kiryanov, B. G. Matienko, and V. P. Golubkova, "Laser Interferometers for Measuring Displacements and Determining Object Positions," Appl. Opt. 11, 359-361 (1972)
- F. Glantschnig, M. Leroux, F. Mottier, F. K. von Willisen, Lasers 8, 94 (1967).
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