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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 4 — Feb. 15, 2010
  • pp: 3608–3617

Lenses axial space ray tracing measurement

Weiqian Zhao, Ruoduan Sun, Lirong Qiu, Libo Shi, and Dingguo Sha  »View Author Affiliations

Optics Express, Vol. 18, Issue 4, pp. 3608-3617 (2010)

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Abstract: In order to achieve the precise measurement of the lenses axial space, a new lenses axial space ray tracing measurement (ASRTM) is proposed based on the geometrical theory of optical image. For an assembled lenses with the given radius of curvature rn and refractive index nn of every lens, ASRTM uses the annular laser differential confocal chromatography focusing technique (ADCFT) to achieve the precise focusing at the vertex position Pn of its inner-and-outer spherical surface Sn and obtain the coordinate zn corresponding to the axial movement position of ASRTM objective, and then, uses the ray tracing facet iterative algorithm to precisely determine the vertex position Pn of every spherical surface by these coordinates zn , refractive index nn and spherical radius rn, and thereby obtaining the lenses inner axial space dn . The preliminary experimental results indicate that ASRTM has a relative measurement error of less than 0.02%.

© 2010 OSA

OCIS Codes
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(180.1790) Microscopy : Confocal microscopy
(220.4840) Optical design and fabrication : Testing

ToC Category:
Instrumentation, Measurement, and Metrology

Original Manuscript: December 14, 2009
Revised Manuscript: January 18, 2010
Manuscript Accepted: January 19, 2010
Published: February 4, 2010

Weiqian Zhao, Ruoduan Sun, Lirong Qiu, Libo Shi, and Dingguo Sha, "Lenses axial space ray tracing measurement," Opt. Express 18, 3608-3617 (2010)

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