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Optical Engineering

Holographic circle-to-point converter with particular applications for lidar work
Author(s): Matthew J. McGill; Joseph Marzouk; V. Stanley Scott; James D. Spinhirne
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Paper Abstract

A holographic optical element is developed that functions as a circle-to-point converter. The holographic plate looks like a zone plate but functions like a collection of field lenses. Each annulus of the holographic plate acts as a separate lens, imaging incident light to a point focus. The plate was developed for use with Fabry-Pe´ rot interferometers, but other applications are also possible. The plate has high throughput, and when coupled with high quantum efficiency solid state detectors provides an efficient photon-collecting detection system. Development of the plate was driven by need for an efficient Doppler lidar detection system, and specific lidar applications are discussed.

Paper Details

Date Published: 1 August 1997
PDF: 5 pages
Opt. Eng. 36(8) doi: 10.1117/1.601437
Published in: Optical Engineering Volume 36, Issue 8
Show Author Affiliations
Matthew J. McGill, NASA-Goddard Space Flight Ctr. (United States)
Joseph Marzouk, Orbital Sciences Corp. (United States)
V. Stanley Scott, NASA-Goddard Space Flight Ctr. (United States)
James D. Spinhirne, NASA Goddard Space Flight Ctr. (United States)


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