A phase-shifting procedure that is applicable to four-wave holographic inteferometry is described. The technique can be used to obtain whole-field phase maps with all methods that use holographic moiré fringes.
© 1992 Optical Society of America
Original Manuscript: December 10, 1991
Published: April 10, 1992
Pramod K. Rastogi, "Phase shifting applied to four-wave holographic interferometers," Appl. Opt. 31, 1680-1681 (1992)