The rapidly growing use of the laser in experimental work has created a need for accurately recording the laser power density for comparison and duplication purposes. This paper presents a straightforward procedure for measuring the focused Gaussian beam diameter.
© 1983 Optical Society of America
Y. C. Kiang and R. W. Lang, "Measuring focused Gaussian beam spot sizes: a practical method," Appl. Opt. 22, 1296-1297 (1983)