A Stereoscopic Scanner System for Behind Armor Debris

Award Information
Agency: Department of Defense
Branch: Army
Contract: W911QX-09-C-0046
Agency Tracking Number: A072-060-0039
Amount: $729,930.00
Phase: Phase II
Program: SBIR
Awards Year: 2009
Solicitation Year: 2007
Solicitation Topic Code: A07-060
Solicitation Number: 2007.2
Small Business Information
MetroLaser, Inc.
8 Chrysler, Irvine, CA, 92618
DUNS: 188465819
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Drew L'Esperance
 Senior Scientist
 (949) 553-0688
 dlesperance@metrolaserinc.com
Business Contact
 Cecil Hess
Title: President
Phone: (949) 553-0688
Email: cecilh@metrolaserinc.com
Research Institution
N/A
Abstract
In response to an Army need for a data collection tool that can measure the velocities of Behind Armor Debris (BAD) fragments in controlled experiments, we propose to develop a Stereoscopic Scanner System (S3) that employs four digital streak cameras to record stereoscopic streak images of debris fragments as they pass through two parallel streak planes. Unlike conventional high-speed cameras, which produce two-dimensional photographs at moments in time, a streak camera produces a photograph where time is one of the dimensions. A unique property of streak photography that makes it ideal for this application is that objects in the debris field are naturally sorted by velocity. In Phase 1, we built a breadboard scanner system using line-scan cameras operating at 20 kHz, and used this system to obtain streak photographs of debris fields with velocities up to 90 m/s. These experiments helped to establish requirements for the system such as camera line rate and field-of-view, illumination intensity and wavelength, and optimum camera configuration for stereo viewing. In Phase 2, we will build and deliver a prototype scanner system using high-speed Digital Streak Cameras that will be capable of measuring fragments with velocities up to 1000 m/s.

* information listed above is at the time of submission.

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