Beam Control for Optical Phased Array Transceivers

Award Information
Agency:
Department of Defense
Branch
n/a
Amount:
$749,994.00
Award Year:
2012
Program:
STTR
Phase:
Phase II
Contract:
FA9451-12-C-0318
Award Id:
n/a
Agency Tracking Number:
F10B-T23-0255
Solicitation Year:
2010
Solicitation Topic Code:
AF10-BT23
Solicitation Number:
2010.B
Small Business Information
1341 South Sunkist Street, Anaheim, CA, -
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
801256199
Principal Investigator:
David Mann
Senior Research Scientist
(714) 772-7668
d.mann@tosc.com
Business Contact:
Glenn Tyler
Senior Research Scientist
(714) 772-7668
glenn.a.tyler@tosc.com
Research Institution:
Air Force Institute of Technology
Carl Parson
2950 Hobson Way
Wright-Patterson AFB, OH, 45433-7765
(937) 255-3636
Nonprofit college or university
Abstract
ABSTRACT: Building on Phase I research that demonstrated the feasibility of target-based phasing for phased array beam control, the proposed Phase II research consists of analysis and a laboratory experiment. The four key topics of the research are phasing at the target, correcting stair mode (also known as array tilt), imaging the target with high resolution, and correcting beam overlap errors on the target. The Phase II experiment is designed to address these four issues in the laboratory, validating the research performed in Phase I and Phase II. The phasing approach, combined with a technique for array tilt correction, can correct all beam piston errors at the target. Moreover, the phase calculations also estimate the speckle field due to reflection of the high energy lasers off the target, allowing for high-resolution speckle imaging of the target in the area of the aim point. The research will also determine if the phasing measurements contain information about beam overlap errors on the target that can be used to correct such errors. This effort is performed in conjunction with AFIT, and will enhance their work in the area and provide partial support to at least one Ph.D. candidate. BENEFIT: The anticipated benefit from this research is the experimental validation of beam control techniques for phased array transceivers. The technology developed in this research will allow phased arrays to achieve their primary design goal of phasing an array of laser beams at a target. As such, the technology is critical in the development of phased arrays. The primary commercial application of this technology will be in high energy laser (HEL) phased array weapons, in which it will be a central component. The technology also produces image data that are useful in HEL beam control as well as active imaging applications. A secondary commercial application exists in active imaging.

* information listed above is at the time of submission.

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