A method for noise reduction in double-exposure speckle interferometry is proposed, based on averaging independent spatially filtered correlation fringe patterns.
© 1992 Optical Society of America
Original Manuscript: August 21, 1991
Published: May 10, 1992
J. M. Huntley and L. Benckert, "Speckle interferometry: noise reduction by correlation fringe averaging," Appl. Opt. 31, 2412-2414 (1992)