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Applied Optics

Applied Optics


  • Vol. 9, Iss. 4 — Apr. 1, 1970
  • pp: 948–952

A Rugged Inexpensive Shearing Interferometer

J. G. Kelley and R. A. Hargreaves  »View Author Affiliations

Applied Optics, Vol. 9, Issue 4, pp. 948-952 (1970)

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A portable, rugged, inexpensive shearing interferometer is described and evaluated. Originally intended for application to plasma and flow analysis, it is also a suitable instructional aid. The shearing is obtained by the offset of the reflection from the first surface of a mirror relative to the reflection from the second surface when the mirror is set at an angle to the illuminating beam. The sensitivity is equivalent to that of a schlieren system. However, no schlieren quality components are involved and there are no critical adjustments or dimensions.

© 1970 Optical Society of America

Original Manuscript: September 3, 1969
Published: April 1, 1970

J. G. Kelley and R. A. Hargreaves, "A Rugged Inexpensive Shearing Interferometer," Appl. Opt. 9, 948-952 (1970)

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