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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 40, Iss. 4 — Feb. 1, 2001
  • pp: 447–451

Fabrication of large-aperture lightweight diffractive lenses for use in space

Ian M. Barton, Jerald A. Britten, Shamasundar N. Dixit, Leslie J. Summers, Ian M. Thomas, Michael C. Rushford, Katy Lu, Roderick A. Hyde, and Michael D. Perry  »View Author Affiliations


Applied Optics, Vol. 40, Issue 4, pp. 447-451 (2001)
http://dx.doi.org/10.1364/AO.40.000447


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Abstract

We describe the advantages of using diffractive (Fresnel) lenses on thin membranes over conventional optics for, among others, future space telescope projects. Fabrication methods are presented for lenses on two types of freestanding membrane up to 50 cm in size. The first is a Fresnel lens etched into a thin (380-µm) glass sheet, and the second is an ∼50-µm-thick polymer membrane containing a Fresnel lens made by replication process from a specially made fused-silica master. We show optical performance analysis of all the lenses that are fabricated, including a diffraction-limited Airy spot from a 20-m- focal-length membrane lens in a diffractive telescope system.

© 2001 Optical Society of America

OCIS Codes
(050.1970) Diffraction and gratings : Diffractive optics
(110.5220) Imaging systems : Photolithography
(160.4670) Materials : Optical materials
(220.4000) Optical design and fabrication : Microstructure fabrication

History
Original Manuscript: March 14, 2000
Revised Manuscript: September 25, 2000
Published: February 1, 2001

Citation
Ian M. Barton, Jerald A. Britten, Shamasundar N. Dixit, Leslie J. Summers, Ian M. Thomas, Michael C. Rushford, Katy Lu, Roderick A. Hyde, and Michael D. Perry, "Fabrication of large-aperture lightweight diffractive lenses for use in space," Appl. Opt. 40, 447-451 (2001)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-40-4-447

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