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Optics Express

Optics Express

  • Editor: J. H. Eberly
  • Vol. 6, Iss. 10 — May. 8, 2000
  • pp: 196–201

Manufacturing of a fiber optic Young’s double pinhole interferometer for use as a 3-D profilometer

Timothy L. Pennington, Anbo Wang, Hai Xaio, and Russell May  »View Author Affiliations

Optics Express, Vol. 6, Issue 10, pp. 196-201 (2000)

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The method used to manufacture a Young’s double pinhole interferometer is discussed. This interferometer is destined to be used in a surface profilometer using two wavelengths so that the zero order fringe can be determined. Hence stringent requirements are placed on the absolute length difference between the two output fibers of a single mode coupler. These requirements are discussed along with the manufacturing process. The interferometer is shown along with measurements showing a length difference on the order of 6µm.

© Optical Society of America

OCIS Codes
(060.1810) Fiber optics and optical communications : Buffers, couplers, routers, switches, and multiplexers
(120.6650) Instrumentation, measurement, and metrology : Surface measurements, figure
(150.6910) Machine vision : Three-dimensional sensing

ToC Category:
Research Papers

Original Manuscript: April 7, 2000
Published: May 8, 2000

Timothy Pennington, Anbo Wang, Hai Xaio, and Russell May, "Manufacturing of a fiber optic Young's double pinhole interferometer for use as a 3-D profilometer," Opt. Express 6, 196-201 (2000)

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