News tagged with terahertz frequencies
Scientists create faster, more sensitive photodetector by tricking graphene
(Phys.org) -- Researchers at the Center for Nanophysics and Advanced Materials of the University of Maryland have developed a new type of hot electron bolometer a sensitive detector of infrared light, that ...
Nanotechnology / Nanomaterials
10 hours ago |
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Physicists create first 'frequency comb' to probe ultraviolet wavelengths
Physicists at JILA have created the first "frequency comb" in the extreme ultraviolet band of the spectrum, high-energy light less than 100 nanometers (nm) in wavelength. Laser-generated frequency combs are the most accurate ...
Feb 01, 2012 |
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Scientists hope to create robot strawberry pickers
Scientists at the National Physical Laboratory (NPL), the UK's Measurement Institute, have developed an imaging technology which can identify the ripeness of strawberries before they are picked. The developers ...
Oct 19, 2011 |
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GREAT spectrometer readied for flight on SOFIA
(PhysOrg.com) -- Scientists recently completed a series of nighttime, ground-based testing of the German Receiver for Astronomy at Terahertz Frequencies, or GREAT, spectrometer in preparation for a series ...
Space & Earth / Space Exploration
Mar 31, 2011 |
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New device for ultrafast optical communications
A new device invented by engineers at UC Davis could make it much faster to convert pulses of light into electronic signals and back again. The technology could be applied to ultrafast, high-capacity communications, ...
Mar 01, 2010 |
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Fine-tuned: A wholly new approach to tuning a laser's frequency
(PhysOrg.com) -- For more than 30 years, scientists have been trying to harness the power of terahertz radiation. Tucked between microwaves and infrared rays on the electromagnetic spectrum, terahertz rays ...
Dec 04, 2009 |
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Closing the terahertz gap could lead to better nanodevices
(PhysOrg.com) -- "The terahertz regime has become of particular interest simply because it may allow us to look into materials in a completely new way," Diego Kienle tells PhysOrg.com. "This regime, which lies between microw ...
Jul 30, 2009 |
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Team develops new metamaterial device
An engineered metamaterial proved it can function as a state-of-the-art device in the complex terahertz range of the electromagnetic spectrum, setting a standard of performance for modulating tiny waves of radiation, according ...
Feb 24, 2009 |
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Tension in the nanoworld
(PhysOrg.com) -- A joint team of researchers at CIC nanoGUNE (San Sebastian, Spain) and the Max Planck Institutes of Biochemistry and Plasma Physics (Munich, Germany) report the non-invasive and nanoscale ...
Jan 23, 2009 |
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