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Applied Optics

Applied Optics


  • Vol. 6, Iss. 11 — Nov. 1, 1967
  • pp: 1973–1975

A Worst-Case Analysis of Continuous Wave He–Ne Laser Hazards to the Eye

W. P. Hansen, L. Feigen, and S. Fine  »View Author Affiliations

Applied Optics, Vol. 6, Issue 11, pp. 1973-1975 (1967)

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Worst-case conditions for threshold injury on direct viewing of a cw He–Ne laser are defined. A transpupillary power of 50–100 μW for threshold injury to the eye is calculated on the basis of a heat conduction model and experimental observations.

© 1967 Optical Society of America

Original Manuscript: June 12, 1967
Published: November 1, 1967

W. P. Hansen, L. Feigen, and S. Fine, "A Worst-Case Analysis of Continuous Wave He–Ne Laser Hazards to the Eye," Appl. Opt. 6, 1973-1975 (1967)

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