Scene projection through sensor optics using laser-based direct write methods

Details Scene projection through sensor optics using laser-based direct write methods Scene projection through sensor optics using laser-based direct write methods

Jun 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997spie.3062..206l&link_type=abstract

Proc. SPIE Vol. 3062, p. 206-217, Targets and Backgrounds: Characterization and Representation III, Wendell R. Watkins; Dieter C

Physics

Optics

Scientific paper

The viability of extending the Direct Write Scene Generator (DWSG) to project to a sensor system with an optical telescope installed has been investigated. The test approach requires development of transmissive or reflective screens and/or collimator systems to expand the DWSG output to the sensor telescope. Several optical configurations have been examined to accommodate this capability. Measurements of the optical spot size on a camera with a zoom lens have been compared to CODE V predictions. Analysis has been performed to determine the practical limitations of this configuration with regard to testing sensors with a set field of view. A demonstration of operation of the DWSG through camera optics has been accomplished. The utility of this new capability to closed-loop operation has also been examined.

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