Browse Prior Art Database

VARIABLE TOTAL CONJUGATE UNIT ARRAY MAGNIFICATION GRADIENT INDEX LENS

IP.com Disclosure Number: IPCOM000024599D
Original Publication Date: 1981-Apr-30
Included in the Prior Art Database: 2004-Apr-02
Document File: 2 page(s) / 48K

Publishing Venue

Xerox Disclosure Journal

Abstract

The figure shows an image transmitter 2 which transmits an image from an object plane 4 to photosensitive image plane 6. Image transmitter 2 is a gradient index lens array comprising two wedge-shaped slabs 8, 10, each slab comprising a plurality of gradient index fibers 12. At unit magnification, the total conjugate of the line array is a strong inverse function of the length of the fiber. By laterally moving one slab with respect to the other, the total fiber length will increase or decrease causing the total conjugate to decrease or increase while the magnifi-cation remains at 1X. The lateral motion should be in increments of the fiber center-to-center spacing. The image plane exposure will remain constant as the total conjugate is changed.

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The figure shows an image transmitter 2 which transmits an image from an object plane 4 to photosensitive image plane 6. Image transmitter 2 is a gradient index lens array comprising two wedge-shaped slabs 8, 10, each slab comprising a plurality of gradient index fibers 12. At unit magnification, the total conjugate of the line array is a strong inverse function of the length of the fiber. By laterally moving one slab with respect to the other, the total fiber length will increase or decrease causing the total conjugate to decrease or increase while the magnifi- cation remains at 1X. The lateral motion should be in increments of the fiber center-to-center spacing. The image plane exposure will remain constant as the total conjugate is changed.

Volume 6 Number 2 March/April 1981 71

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  XEROX DISCLOSURE JOURNAL Volume 6 Number 2 March/April 1981

[This page contains 1 picture or other non-text object]