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Proceedings Paper

Image rotation in plane-mirror optical systems
Author(s): James C. DeBruin; David B. Johnson
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Paper Abstract

The three methods presented for calculating the image rotation of any plane-mirror optical system are based on a novel optical kinematic construction, the 'line-of-sight' reference frame (LOSRF). By using the LOSRF, image rotation due to fixed or movable mirrors, derotation mirrors, and vehicle orientation is calculated precisely. The first two of the methods yield the total image rotation angle irrespective of the source of the rotation, while the last furnishes the amount of rotation imparted to the system by each of its components; total image rotation is the sum of these individual rotation angles.

Paper Details

Date Published: 10 July 1992
PDF: 19 pages
Proc. SPIE 1696, Controls for Optical Systems, (10 July 1992); doi: 10.1117/12.138158
Show Author Affiliations
James C. DeBruin, Texas Instruments Inc. (United States)
David B. Johnson, Southern Methodist Univ. (United States)


Published in SPIE Proceedings Vol. 1696:
Controls for Optical Systems
John A. Breakwell, Editor(s)

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