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Applied Optics

Applied Optics


  • Vol. 38, Iss. 34 — Dec. 1, 1999
  • pp: 7159–7160

A Novel Technique to Measure Laser Beam Spot Sizes

Hany S. Loka and Peter W.E. Smith  »View Author Affiliations

Applied Optics, Vol. 38, Issue 34, pp. 7159-7160 (1999)

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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, 7159-7160 (1999)

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  1. Photon Inc., BeamScan manual for model 1180 optical profiler.
  2. M. Sheik-Bahae et al., “Sensitive measurement of optical nonlinearities using a single beam,” IEEE J. Quantum Electron. 26,760–769 (1990). [CrossRef]
  3. E.W. Van Stryland, M. Sheik-Bahae, “Z-scan technique for nonlinear materials characterization,” Critical reviews of optical science and technology, SPIE CR69,501–524 (1997).
  4. H.S. Loka et al., “Two-photon absorption coefficient and refractive index changes in low-temperature-grown GaAs,” Proc. CLEO ’98 6,536 (1998).

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