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Bifocal optical system for distant object tracking

delete2005-01-01
delete13
delete
OA
AI
刘新平 cover
刘新平 (Xinping Liu) *
X
Xianyang Cai
S
Shoude Chang
C
Chander P. Grover
DOI：10.1364/OPEX.13.000136delete
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Abstract

Abstract

En 中文
A new bifocal optical system used for distant object tracking is proposed. This system combines a birefringent element with a conventional glass lens so that the spot image size and its variation with the axial distance can be controlled according to the requirement of a distant object tracker. The lens design for the tracking application is discussed and an example is given. The new lens system provides a more uniform spot image size and an extended focal depth compared to a conventional lens with one focus. (C) 2005 Optical Society of America.
Keywords:
HIGH FOCAL DEPTH
STAR-TRACKER
MISSION

Journal

Optics Express cover
Optics Express
IF:
3.3
Papers:
6.1W
Citations:
14.3W

Organization

No organization information available