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Proceedings Paper

3D flash ladar at Raytheon
Author(s): Maurice J. Halmos; Michael D. Jack; James F. Asbrock; C. Anderson; Steven L. Bailey; George Chapman; E. Gordon; P. E. Herning; Murray H. Kalisher; Louis F. Klaras; Kim Kosai; V. Liquori; Mike Pines; Valerie Randall; Robin Reeder; Joseph P. Rosbeck; Sanghamitra Sen; Patrick A. Trotta; P. Wetzel; Andrew T. Hunter; John E. Jensen; T. J. DeLyon; Charlie Ward Trussell; James Andrew Hutchinson; Raymond S. Balcerak
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Paper Abstract

Raytheon has recently been funded by DARPA to develop an FPA for single shot eyesafe ladar operation. The goal of the program is to develop new high speed imaging rays to rapidly acquire high resolution, 3D images of tactical targets at ranges as long as 7 to 10 kilometers. This would provide precision strike, target identification from rapidly moving platforms, such as air-to-ground seekers, which would enhance counter-counter measure performance and the ability to lock-on after launch. Also a goal is to demonstrate the acquisition of hidden, camouflaged and partially obscured targets. Raytheon's approach consists of using HgCdTe APD arrays which offer unique advantages for high performance eyesafe LADAR sensors. These include: eyesafe operation at room temperature, low excess noise, high gain to overcome thermal and preamp noise, Ghz bandwidth and high packing density. The detector array will be coupled with a Readout Integrated Circuit, that will capture all the information required for accurate range determination. The two components encompass a hybrid imaging array consisting of two IC circuit chips vertically integrated via an array of indium metal 'bumps'. The chip containing the PAD detector array and the silicon signal processing readout chip are independently optimized to provide the highest possible performance for each function.

Paper Details

Date Published: 19 September 2001
PDF: 14 pages
Proc. SPIE 4377, Laser Radar Technology and Applications VI, (19 September 2001); doi: 10.1117/12.440096
Show Author Affiliations
Maurice J. Halmos, Raytheon Co. (United States)
Michael D. Jack, Raytheon Co. (United States)
James F. Asbrock, Raytheon Co. (United States)
C. Anderson, Raytheon Co. (United States)
Steven L. Bailey, Raytheon Co. (United States)
George Chapman, Raytheon Co. (United States)
E. Gordon, Raytheon Co. (United States)
P. E. Herning, Raytheon Co. (United States)
Murray H. Kalisher, Raytheon Co. (United States)
Louis F. Klaras, Raytheon Co. (United States)
Kim Kosai, Raytheon Co. (United States)
V. Liquori, Raytheon Co. (United States)
Mike Pines, Raytheon Co. (United States)
Valerie Randall, Raytheon Co. (United States)
Robin Reeder, Raytheon Co. (United States)
Joseph P. Rosbeck, Raytheon Co. (United States)
Sanghamitra Sen, Raytheon Co. (United States)
Patrick A. Trotta, Raytheon Co. (United States)
P. Wetzel, Raytheon Co. (United States)
Andrew T. Hunter, HRL Labs. LLC (United States)
John E. Jensen, HRL Labs. LLC (United States)
T. J. DeLyon, HRL Labs. LLC (United States)
Charlie Ward Trussell, U.S. Army Night Vision and Electronic Sensors Directorate (United States)
James Andrew Hutchinson, U.S. Army Night Vision & Electronic Sensors Directorate (United States)
Raymond S. Balcerak, DARPA (United States)


Published in SPIE Proceedings Vol. 4377:
Laser Radar Technology and Applications VI
Gary W. Kamerman, Editor(s)

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