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Applied Optics

Applied Optics


  • Vol. 10, Iss. 2 — Feb. 1, 1971
  • pp: 422–425

True Vertical Laser

K. W. Billman, E. T. Leonard, and M. A. Yaffee  »View Author Affiliations

Applied Optics, Vol. 10, Issue 2, pp. 422-425 (1971)

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A new laser configuration has been devised utilizing a mercury mirror as one reflector. When the laser is oriented vertically, lasing occurs. This beam can thus be used for the precision alignment of vertical structures.

© 1971 Optical Society of America

Original Manuscript: June 30, 1970
Published: February 1, 1971

K. W. Billman, E. T. Leonard, and M. A. Yaffee, "True Vertical Laser," Appl. Opt. 10, 422-425 (1971)

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  1. A reviewer has pointed out to the authors that others have used the horizontal property of a mercury surface in optical instrumentation. For example, Rayleigh [Nature 59, 533 (1899)] used such a scheme for a vertical Michelson interferometer.
  2. W. E. Mueller, J. C. Thompson, Phys. Rev. Lett. 23, 18 (1969). [CrossRef]
  3. The authors are indebted to Horace Furumoto and Harry Ceccon who developed this pulsed N2 discharge laser and lent the authors a discharge tube to use in the experiments.

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