NASA NTRS · 19710000118
Stabilization of interferometer fringe patterns
Abstract
Fringe pattern motion is compensated by closed-loop servo system that adjusts a mirror mounted on piezoelectric crystal, so that path difference in interferometer is maintained at constant values at one point in the field. System is applicable to holography with continuous wave laser sources.
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Brown, R. M.. 1971-05-01. Stabilization of interferometer fringe patterns. https://ntrs.nasa.gov/citations/19710000118
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