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December 3, 2019 | Source: GCN, https://gcn.com/, GCN Staff, 15 November 2019
Terahertz Laser to Power "T-ray" Vision and High-Bandwidth Communications
As the military, science agencies, and communications firms compete for scarce spectrum resources, researchers at Harvard, MIT, and the Army have developed a compact, room...
September 11, 2019
UAS Tracking, Evasion, and CUAS Methods
What are unmanned aircraft system (UAS) tracking, counter-UAS (CUAS), and UAS evasion systems or methods? DSIAC was asked to identify UAS tracking methods and/or systems...
Survivability and Vulnerability
A Multisensor System for Measuring the Light Output and Velocity of Live-Fired, Red Light-Emitting Pyrotechnic Tracers
SUMMARY This article describes a multisensor system for measuring the light output and ballistic velocity of pyrotechnic tracers fired from a weapon. The sensors are composed of...
March 12, 2018 | Source: The UC Santa Barbara Current, news.ucsb.edu, 21 Nov 2017, Julie Cohen
Hidden Properties of Solids
Physicists open the door to the first direct measurement of Berry curvature in solid matter. Berry curvature may not be the most well-known scientific concept, but to many...
October 9, 2017 | Source: Brown University, news.brown.edu, 10 Aug 2017, Kevin Stacey
Scientists Report First Data Transmission Through Terahertz Multiplexer
Researchers have demonstrated the transmission of two separate video signals through a terahertz multiplexer at a data rate more than 100 times faster than today’s fastest...
May 8, 2017 | Source: DARPA, darpa.mil, 7 February 2017
DARPA RadioBio Program Investigates EM-Based Biological Communication
DARPA starts new program to explore whether electromagnetic waves are purposefully transmitted and received within or between cells and, if so, to leverage those insights not just...
February 27, 2017 | Source: Physics.Org (American Institute of Physics, Xuemin Wang, et al.)
Researchers Set Record for Terahertz Quantum Cascade Laser Continuous Power
Researchers have nearly doubled the continuous output power of a type of laser, called a terahertz quantum cascade laser, with potential applications in medical imaging, airport...
November 8, 2016 | Source: Georgia Tech Research Horizons, Rick Robinson
Applying Photonics to Electronic Warfare Challenges
Photonics, the technology that helps drive today’s telecommunications systems, offers major advances in the area of signal transmission. Researchers at the Georgia Tech Research...
Free Space Laser Communications: A Historical Perspective
INTRODUCTION The potential for efficient high-data-rate communications using the laser has been recognized since its initial development more than 50 years ago. Free-space optical...
January 25, 2016 | Source: Tim Wogan, Physics World
Plasmons Call the Tune in New Graphene-Based Terahertz Laser
A new type of semiconductor laser has been created using the unique electronic properties of graphene. Designed in the UK by researchers at the University of Manchester, the...