Q. By what means can the laser speckle that limits hologram resolution be reduced? Dr. Leith: Speckle reduction can be accomplished by a number of methods. Introducing a phase diffuser such as a diffraction grating in a plane near the object can pro-duce a number of discrete planes in object space free from speckle. Dr. Thompson: However, the grain size and resolution of the hologram is limited by the grain size of the diffuser.
Panel Discussion
Holography I ; 1968 ; San Francisco,United States
Proc. SPIE ; 0015
1968-01-01
Conference paper
Electronic Resource
English
AIAA | 1983
|IEEE | 2021
Springer Verlag | 1973
|AIAA | 2009
IEEE | 2024