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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 24, Iss. 10 — May. 15, 1999
  • pp: 670–672

Interferometry with optical pickups

Franco Quercioli, Bruno Tiribilli, and Alessandro Bartoli  »View Author Affiliations


Optics Letters, Vol. 24, Issue 10, pp. 670-672 (1999)
http://dx.doi.org/10.1364/OL.24.000670


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Abstract

We describe an interferometer that makes use of an optical pickup. This widespread consumer electronics component has a high degree of technological content. A typical head contains a remarkable, highly integrated sample of optoelectronic laboratory equipment. The application that we report is a significant and novel example of the potential exploitation of the unique features of such a device for scientific aims. Many interferometric configurations can be envisaged, depending on the specific pickup design. We present a Fizeau multiphase homodyne interferometer that makes use of an astigmatic-focus-detection pickup. Its quadrant detector provides four photocurrent signals whose phase delays can be easily controlled. This allows us to apply phase-shifting interferometry algorithms for data reduction.

© 1999 Optical Society of America

OCIS Codes
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.3940) Instrumentation, measurement, and metrology : Metrology
(120.6660) Instrumentation, measurement, and metrology : Surface measurements, roughness
(180.3170) Microscopy : Interference microscopy

Citation
Franco Quercioli, Bruno Tiribilli, and Alessandro Bartoli, "Interferometry with optical pickups," Opt. Lett. 24, 670-672 (1999)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-24-10-670


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References

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  2. C. During, S. Andersson, and J. Wilkander, Sens. Actuators A 32, 575 (1992).
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  4. F. Quercioli, A. Mannoni, and B. Tiribilli, Appl. Opt. 36, 6372 (1997).
  5. F. Quercioli, A. Mannoni, and B. Tiribilli, Appl. Opt. 37, 5932 (1998).
  6. See, for example, A. Bearden, M. P. O'Neill, L. C. Osborne, and T. L. Wong, Opt. Lett. 18, 238 (1993).
  7. See, for example, K. Creath, in Progress in Optics XXVI, E. Wolf, ed. (North-Holland, Amsterdam, 1988), Chap. V.
  8. M. Hercher, Opt. Photon. News 2(11), 24 (1991).
  9. L. Merz, Appl. Opt. 28, 1011 (1989).

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