Digital holography utilizing the optical Doppler effect is proposed in which the time variation of interference fringes is recorded using a high-speed CMOS camera. The complex amplitude diffracted from the object wave is extracted by time-domain Fourier transforming the recorded interference fringes. The method was used to measure the surface shape of a concave mirror under a disturbed environment.
© 2010 Optical Society of America
Instrumentation, Measurement, and Metrology
Original Manuscript: January 15, 2010
Revised Manuscript: March 2, 2010
Manuscript Accepted: March 12, 2010
Published: May 5, 2010
Yuichi Kikuchi, Daisuke Barada, Tomohiro Kiire, and Toyohiko Yatagai, "Doppler phase-shifting digital holography and its application to surface shape measurement," Opt. Lett. 35, 1548-1550 (2010)