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terahertz waves News
Terahertz-permeable Aerogel Offers High Tunability
LINKÖPING, Sweden, Dec. 26, 2023 — High-frequency terahertz waves have great potential to replace X-ray examinations in the future to be used in space research, among other things. Researchers at Linköping University have shown that the permeability of terahertz radiation through an aerogel made of cellulose and a conducting polymer can be regulated — an important feature to be able to unlock more uses for terahertz waves. The terahertz range includes the high frequency wavelengths that lie between microwaves and
Electro-Optic Polymers Improve Speed and Power Efficiency
Jun 26, 2020 — The search is on for new building blocks to increase the speed of optoelectronic components and decrease electrical power consumption. High-performance electro-optic (EO) materials have matured commercially and have the potential to offer solutions....
Data Transmission via Terahertz Multiplexer
PROVIDENCE, R.I., Aug. 14, 2017 — A method for multiplexing data — the ability to send multiple signals through a single channel of a voice or data communication system — carried on terahertz waves and high-frequency radiation may enable the next generation of ultra-high bandwidth...
Fast, Room-Temperature THz Detector Made of Graphene
COLLEGE PARK, Md., Sept. 8, 2014 — COLLEGE PARK, Md., Sept. 8, 2014 — A prototype graphene photodetector is capable of detecting terahertz frequencies quickly and at room temperature, possibly enabling a new generation of see-through imaging. A hot-electron photothermoelectric...
T-Rays Trapped for Better Security Scanners
ADELAIDE, Australia, July 11, 2013 — A metamaterial structure that traps terahertz-frequency waves (T-rays) in microscopic holes could result in medical diagnostic and security scanners with higher sensitivity.
Tiny Terahertz Imager Chip Created
PASADENA, Calif., Dec. 11, 2012 — Tiny, inexpensive silicon microchips that generate and radiate terahertz waves could be incorporated into handheld devices, such as smartphones, to suss out explosives in solid objects.
Rare Earths Trade Issues Move to WTO
Apr 1, 2012 — What’s a manufacturer to do? The pricing and availability of rare earths such as cerium oxide, used in optical production, have been a concern for many companies in our industry for years now, and the underlying issues remain unresolved....
T-rays to Enable Tricorder?
LONDON, Jan. 25, 2012 — A new technique to create electromagnetic Terahertz waves (T-rays) — the technology used for full-body security scanners — could one day lead to the development of a Star Trek ‘tricorder’-inspired handheld scanner suitable for better medical...
Flexible Smart Material Cloaks Objects
FIFE, Scotland, Nov. 5, 2010 — Using tiny atoms that can interact with light, researchers at the University of St. Andrews have developed a flexible new ‘smart’ material that could theoretically appear invisible to the naked eye. It is the first practical...
THz Laser Tuning Detects Substances at Airports – and Elsewhere
Jan 13, 2010 — Detecting dangerous materials at airports is a high security priority, and the Christmas Day events in an airplane over Detroit served to put a new spotlight on materials detection. One challenge for current techniques is that they cannot always...
Waveguide Has Been Developed for Terahertz Waves
Jan 1, 2005 — Terahertz waves, or T-rays, fall between microwave and infrared radiation on the electromagnetic spectrum. Some metals and other electrical conductors are opaque to T-rays; however, as with x-rays, the radiation can penetrate vinyl, paper, plastic...
(11 results found)
April 2024
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