A method for real-time observation of speckle movement for the analysis of lateral motions is suggested. The method involves significant magnification using lenses and a TV-camera monitor system. This approach has the advantages of conventional speckle photography without the need for any chemical processing.
© 1981 Optical Society of America
Original Manuscript: June 22, 1981
Published: November 1, 1981
C. S. Vikram and K. Vedam, "Direct observation of laser speckles for real-time analysis of lateral motions," Opt. Lett. 6, 511-513 (1981)