A new rapid scan phase modulator has been studied in a range of interferometric applications from the visible to the millimeter wave region. The modulator consists of two parallel mirrors mounted on a rotating platform. It causes little attenuation and is capable of large changes in optical path length at high speeds. The system is relatively insensitive to vibration and can yield a nearly flat transmission envelope.
© 1981 Optical Society of America
Original Manuscript: February 11, 1980
Published: January 15, 1981
D. J. Campbell, P. A. Krug, I. S. Falconer, L. C. Robinson, and G. D. Tait, "Rapid scan phase modulator for interferometric applications," Appl. Opt. 20, 335-342 (1981)