Spatial coherence of a ruby laser beam by interferometry
- 1 November 1978
- journal article
- Published by Optica Publishing Group in Applied Optics
- Vol. 17 (21) , 3500-3502
- https://doi.org/10.1364/ao.17.003500
Abstract
The importance of spatial coherence of a pulsed ruby laser beam is pointed out. The spatial and temporal coherences of light are defined. Spatial coherence of the beams from a ruby laser, operating in either the Q-switched or normal lasing modes, is deduced from the degree of visibility of fringes formed by a Michelson interferometer in which the laser beam interferes with itself after being rotated 180°. The results are physically and analytically interpreted.Keywords
This publication has 0 references indexed in Scilit: