(Phys.org) —University of Leeds researchers have taken the lead in the race to build the world's most powerful terahertz laser chip.
General Physics
Feb 17, 2014
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(PhysOrg.com) -- Researchers at Rice University are using carbon nanotubes as the critical component of a robust terahertz polarizer that could accelerate the development of new security and communication devices, sensors ...
Nanophysics
Jan 30, 2012
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0
(PhysOrg.com) -- Potential applications, says an engineering professor, include disease diagnosis and detection of concealed explosives.
General Physics
Jan 13, 2011
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Terahertz rays -- radiation between microwaves and infrared rays on the electromagnetic spectrum -- are a promising means of detecting explosives, but they've proven hard to generate cost effectively. So far, solid-state ...
General Physics
Dec 16, 2010
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0
A collaborative team of applied scientists from Harvard University and the University of Leeds have demonstrated a new terahertz (THz) semiconductor laser that emits beams with a much smaller divergence than conventional ...
General Physics
Aug 8, 2010
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(PhysOrg.com) -- A major breakthrough in remote wave sensing by a team of Rensselaer Polytechnic Institute researchers opens the way for detecting hidden explosives, chemical, biological agents and illegal drugs from a distance ...
Optics & Photonics
Jul 11, 2010
9
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(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 can penetrate clothing, ...
Optics & Photonics
Dec 4, 2009
2
0
Finding water on the moon could be easier with a Goddard technology that uses an effect called quantum tunneling to generate a high-powered terahertz laser, filling a gap in existing laser technology.
Space Exploration
Aug 25, 2022
1
54
By applying light, University of Arkansas physicists Peng Chen and Laurent Bellaiche have discovered a surprising mechanism for controlling ferroelectric polarization in a deterministic manner.
Condensed Matter
May 10, 2022
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455
Stable packets of light waves—called optical solitons—are emitted in ultrashort-pulse lasers as a chain of light flashes. These solitons often combine into pairs with very short temporal separation. Introducing atomic ...
Optics & Photonics
Apr 22, 2022
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