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Proceedings Paper

Covert optically-scanning enhanced zoom pinhole lens technology
Author(s): H. S. Rana
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Paper Abstract

Lens technology has been developed that enables a scene to be scanned optically whilst the lens remains stationary. The covert optically-scanning enhanced (COSE) pinhole lens technology also has the option of incorporating a zoom capability. This allows any target in the scene to be isolated and zoomed onto for further scrutiny. The COSE lens has an external stationary entrance pupil. The operation of the lens may be visualized as optically pivoting about this pupil plane whilst scanning the scene but physically remaining stationary. A technology demonstrator has been built and its performance is discussed. Further developments of the COSE technology are also discussed.

Paper Details

Date Published: 8 October 2007
PDF: 12 pages
Proc. SPIE 6741, Optics and Photonics for Counterterrorism and Crime Fighting III, 67410T (8 October 2007); doi: 10.1117/12.737273
Show Author Affiliations
H. S. Rana, Defence Science and Technology Lab. (United Kingdom)


Published in SPIE Proceedings Vol. 6741:
Optics and Photonics for Counterterrorism and Crime Fighting III
Colin Lewis, Editor(s)

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