Technology in Support of National Security

Monthly News & Updates

january2024

Latest in Issued Patents

AERIAL VEHICLE WITH TAPE SPRING ARMS

An aerial vehicle with a plurality of selectively collapsible arms capable of transitioning between an extended state and a contracted state


DATA-DRIVEN ANGULAR JITTER ESTIMATOR FOR LIDAR

A method to reduce the blurring effect of jitter to an amount comparable to the optical diffraction limit.



SBS SUPPRESSION AND ELECTRONIC PATH LENGTH MATCHING IN COHERENT BEAM COMBINING

This patent involves coherent beam combining, employing a kilohertz linewidth seed split among multiple arms, each phase-modulated with a common pseudo-random bit sequence (PRBS). The system stabilizes the relative phases of the PRBS patterns, compensating for static and dynamic optical fiber path length mismatches, and achieves optimal beam combining through cross-correlation peak scanning.


WINNER!

MIT Lincoln Laboratory's "Timely Address Space Randomization (TASR)" Technology Wins a 2024 FLC Excellence in Technology Transfer Award



EXCELLENCE IN TECHNOLOGY TRANSFER AWARD: Honors outstanding work by federal labs in

collaborating with industry, academia or other labs to bring technologies from the lab to the

marketplace.

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Technology Highlight

These innovative panels are designed to decrease the weight, and therefore the launch costs, of space-based radar systems. The panels employ novel techniques to reduce the volume and weight of active electronically steered antennas critical to the performance of systems used by communication satellites and environmental-sensing systems.

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The Airborne Sense-and-Avoid (ABSAA) Radar Panel is a stepped-notch antenna array that may transform the way in which high-performance, wide-bandwidth radar systems are fabricated. The small physical size of the panel and its operational frequency range (Ku band, 13–15 GHz) make the ABSAA panel suitable for narrow beamwidth radar systems integrated on small platforms. Three innovations enable high performance for a fraction of the cost of traditional antennas: the incorporation of thermal cooling into the panel; the use of multifunction radio-frequency integrated circuits manufactured in a commercially available, high-volume silicon germanium 0.13 µm foundry process; and the elimination of a separate transmit/receive module.

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