In this letter we report a novel technique to measure small laser beam spot sizes. We use the open aperture z-scan technique as a tool to measure the laser beam spot size. This technique measures small spot sizes with accuracy better than 10%.
© 1999 Optical Society of America
Hany S. Loka and Peter W.E. Smith, "A Novel Technique to Measure Laser Beam Spot Sizes," Appl. Opt. 38, 7159-7161 (1999)