A 0.93-m scanning active interferometer is described, and performance characteristics are discussed. An example of output signal both in the transmitted and reflected mode is given for passive and active operation.
Vern N. Smiley, Adolph L. Lewis, and David K. Forbes, "Scanning Active Interferometer Employing Linear Drive Excitation and Reflectance Monitor," Appl. Opt. 5, 827-829 (1966)