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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 33, Iss. 21 — Nov. 1, 2008
  • pp: 2419–2421

Optical measurements of angle and axis of rotation

Ghazanfar Hussain and Masroor Ikram  »View Author Affiliations


Optics Letters, Vol. 33, Issue 21, pp. 2419-2421 (2008)
http://dx.doi.org/10.1364/OL.33.002419


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Abstract

A carousel interferometer is designed to find the unknown angle and axis of rotation simultaneously. A set consisting of a compensator glass plate and a right-angle prism is placed in each of the two arms of the interferometer while located at the same rotational stage. When rotation takes place individual and relative optical path differences are generated in the beams that contribute toward finding out the angle and axis of rotation. Computer simulation shows that error remains less than a nanometer for a 1 m length of unknown radius and rotation range of ± 15 ° .

© 2008 Optical Society of America

OCIS Codes
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.3930) Instrumentation, measurement, and metrology : Metrological instrumentation
(120.3940) Instrumentation, measurement, and metrology : Metrology
(120.4570) Instrumentation, measurement, and metrology : Optical design of instruments
(120.4800) Instrumentation, measurement, and metrology : Optical standards and testing

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: July 9, 2008
Revised Manuscript: September 12, 2008
Manuscript Accepted: September 13, 2008
Published: October 17, 2008

Citation
Ghazanfar Hussain and Masroor Ikram, "Optical measurements of angle and axis of rotation," Opt. Lett. 33, 2419-2421 (2008)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-33-21-2419


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