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Proceedings Paper

Molding aspheric lenses for low-cost production versus diamond turned lenses
Author(s): Gabriel Cogburn; Louis Mertus; Alan Symmons
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Paper Abstract

As lens design using aspheric diffractive lenses has become more popular in designing faster, low F/# infrared (IR) optical systems; the increased quantities manufactured of these glass lenses is following suit. Historically, Single Point Diamond Turning (SPDT) has been the method of choice in producing high quality glass aspheric and diffractive lenses, but with the volume of lenses produced and technological advances in Precision Molded Optics (PMO), it is now becoming highly cost efficient to use molding as a means of producing these glass optic lenses. This paper will discuss lens shapes, tolerances, present and future optic lens sizes that are being done using PMO as well as present an experiment conducted comparing the surface quality of a chalcogenide lens manufactured with SPDT and PMO.

Paper Details

Date Published: 3 May 2010
PDF: 6 pages
Proc. SPIE 7660, Infrared Technology and Applications XXXVI, 766020 (3 May 2010); doi: 10.1117/12.850518
Show Author Affiliations
Gabriel Cogburn, LightPath Technologies (United States)
Louis Mertus, LightPath Technologies (United States)
Alan Symmons, LightPath Technologies (United States)

Published in SPIE Proceedings Vol. 7660:
Infrared Technology and Applications XXXVI
Bjørn F. Andresen; Gabor F. Fulop; Paul R. Norton, Editor(s)

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