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Applied Optics

Applied Optics


  • Vol. 22, Iss. 16 — Aug. 15, 1983
  • pp: 2410–2412

Precision molded-glass optics

Richard O. Maschmeyer, Chester A. Andrysick, Thomas W. Geyer, Helmuth E. Meissner, Charles J. Parker, and L. Michael Sanford  »View Author Affiliations

Applied Optics, Vol. 22, Issue 16, pp. 2410-2412 (1983)

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Results achieved in high-precision molding of glass lenses are reported. The work concentrated on a 0.4-N.A. 8-mm diam lens with spherical surfaces. The glass is a specialty glass composition of index (d-line) 1.604 and Abbe number 50. Typical design tolerances which have been achieved in the molded glass lenses include relative surface figure replication of 0.06 μm, thickness and diameter tolerances of ±10 μm, wedge of <10−3 rad, birefringence of less than one one-hundredth wave, and index homogeneity in the sixth decimal place. These results are directly applicable to molding precision glass aspheric lenses of similar tolerances.

© 1983 Optical Society of America

Original Manuscript: March 9, 1983
Published: August 15, 1983

Richard O. Maschmeyer, Chester A. Andrysick, Thomas W. Geyer, Helmuth E. Meissner, Charles J. Parker, and L. Michael Sanford, "Precision molded-glass optics," Appl. Opt. 22, 2410-2412 (1983)

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