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Optics Letters

Optics Letters


  • Vol. 24, Iss. 14 — Jul. 15, 1999
  • pp: 951–953

Laser ray-tracing method for optical testing

Rafael Navarro and Esther Moreno-Barriuso  »View Author Affiliations

Optics Letters, Vol. 24, Issue 14, pp. 951-953 (1999)

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We have developed a novel laser ray-tracing method to measure aberrations in optical systems. It consists of delivering narrow laser pencils (by a laser scanner), recording the spots that are formed on the image plane (with a CCD camera), and computing the position of each centroid. This approach could be considered an experimental (approximate) implementation of standard numerical ray tracing. Several tests and experiments, including a direct comparison with a Hartmann–Shack wave-front sensor, provided highly satisfactory results that confirmed the validity of the method and revealed potential advantages.

© 1999 Optical Society of America

OCIS Codes
(110.3000) Imaging systems : Image quality assessment
(220.4840) Optical design and fabrication : Testing

Rafael Navarro and Esther Moreno-Barriuso, "Laser ray-tracing method for optical testing," Opt. Lett. 24, 951-953 (1999)

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  2. J. M. Geary, Introduction to Wavefront Sensors (SPIE Press, Bellingham, Wash., 1995).
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  5. R. Navarro and M. A. Losada, Optom. Vis. Sci. 74, 540 (1987).
  6. H. H. Hopkins and M. J. Yzuel, Opt. Acta 17, 157 (1970).

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