Development of a semiactive seeker for maneuverable projectiles

Donald P. Hutchinson; Roger K. Richards; L. Curt Maxey; Charles L. Britton Jr.

doi:10.1117/12.451054

23 January 2003 Development of a semiactive seeker for maneuverable projectiles

Donald P. Hutchinson, Roger K. Richards, L. Curt Maxey, Charles L. Britton Jr.

Proceedings Volume 4820, Infrared Technology and Applications XXVIII; (2003) https://doi.org/10.1117/12.451054
Event: International Symposium on Optical Science and Technology, 2002, Seattle, WA, United States

Abstract

A design for an optical seeker optimized for spin-stabilized projectiles is presented. Using the spin of the bullet to scan a linear photodetector array across the target field, a relatively wide field-of-regard seeker may be constructed with an adequate SNR for homing applications. The linear photodetector array is based on room-temperature quantum-well infrared photodetectors (QWIP) optimized for a wavelength of 10.6 microns. The entire seeker containing the 1 × 64-element linear photodetector array, amplifiers and signal processor/flight computer can be constructed on a single 1-cm square bonded chip-on-chip. A compact folded telescope has been designed to collect light from a CO₂ laser designator to guide the projectile to the target. Details of the seeker design as well as laboratory measurements of the concept using a visible light prototype seeker will be presented.

Citation Download Citation

Donald P. Hutchinson, Roger K. Richards, L. Curt Maxey, and Charles L. Britton Jr. "Development of a semiactive seeker for maneuverable projectiles", Proc. SPIE 4820, Infrared Technology and Applications XXVIII, (23 January 2003); https://doi.org/10.1117/12.451054

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KEYWORDS

Signal processing

Photodetectors

Quantum well infrared photodetectors

Gas lasers

Prisms

Image quality

Long wavelength infrared

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