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

被引：48

作者：

Barton, IM ^{[1
]}

Britten, JA ^{[1
]}

Dixit, SN ^{[1
]}

Summers, LJ ^{[1
]}

Thomas, IM ^{[1
]}

Rushford, MC ^{[1
]}

Lu, K ^{[1
]}

Hyde, RA ^{[1
]}

Perry, MD ^{[1
]}

机构：

[1] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA

来源：

APPLIED OPTICS | 2001年 / 40卷 / 04期

关键词：

D O I：

10.1364/AO.40.000447

中图分类号：

O43 [光学];

学科分类号：

070207 [光学]; 0803 [光学工程];

摘要：

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-mum) glass sheet, and the second is an similar to 50-mum-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. (C) 2001 Optical Society of America.

引用

页码：447 / 451

页数：5

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