Abstract
A two-beam interferometer based on a beam-splitter cube with a fixed photosensitive element is proposed. The interferometer is designed for generating interference patterns with a tunable period. The only type of motion resulting in a change in the period is interferometer rotation with respect to the source of the light beam. The greatest width of the range of convergence angle tuning is close to 50°, and possible values of this angle lie in the interval from 10 to 180°. The interferometer arms have identical lengths owing to its symmetry. The absence of adjustment elements ensures high stability of the instrument with respect to vibrations.
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Original Russian Text © V.D. Ugozhaev, 2016, published in Avtometriya, 2016, Vol. 52, No. 2, pp. 57–65.
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Ugozhaev, V.D. Rotationally tunable two-beam interferometer with a fixed photosensitive element. Part I. Interferometer based on a beam-splitter cube. Optoelectron.Instrument.Proc. 52, 153–160 (2016). https://doi.org/10.3103/S8756699016020072
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DOI: https://doi.org/10.3103/S8756699016020072