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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 47, Iss. 10 — Apr. 1, 2008
  • pp: 1662–1667

Refractive index variation in compression molding of precision glass optical components

Lijuan Su, Yang Chen, Allen Y. Yi, Fritz Klocke, and Guido Pongs  »View Author Affiliations


Applied Optics, Vol. 47, Issue 10, pp. 1662-1667 (2008)
http://dx.doi.org/10.1364/AO.47.001662


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Abstract

Compression molding of glass optical components is a high volume near net-shape precision fabrication method. In a compression molding process, a variation of the refractive index occurs along the radial direction of the glass component due to thermal treatment. The variation of refractive index is an important parameter that can affect the performance of optical lenses, especially lenses used for high precision optical systems. Refractive index variations in molded glass lenses under different cooling conditions were investigated using both an experimental approach and a numerical simulation. Specifically, refractive index variations inside molded glass lenses were evaluated by measuring optical wavefront variations with a Shack–Hartmann sensor system. The measured refractive index variations of the molded glass lenses were compared with the numerical simulation as a validation of the modeling approach.

© 2008 Optical Society of America

OCIS Codes
(220.4610) Optical design and fabrication : Optical fabrication
(290.3030) Scattering : Index measurements

ToC Category:
Optical Design and Fabrication

History
Original Manuscript: December 21, 2007
Manuscript Accepted: February 7, 2008
Published: March 31, 2008

Citation
Lijuan Su, Yang Chen, Allen Y. Yi, Fritz Klocke, and Guido Pongs, "Refractive index variation in compression molding of precision glass optical components," Appl. Opt. 47, 1662-1667 (2008)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-47-10-1662

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