Researchers build world's most powerful terahertz laser chip
(Phys.org) —University of Leeds researchers have taken the lead in the race to build the world's most powerful terahertz laser chip.
(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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(Phys.org) —Scientists working at the Stanford Institute for Materials and Energy Sciences (SIMES) have improved an innovative solar-energy device to be about 100 times more efficient than its previous design in converting ...
Energy & Green Tech
Mar 20, 2013
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(PhysOrg.com) -- Intensive research around the world has focused on improving the performance of solar photovoltaic cells and bringing down their cost. But very little attention has been paid to the best ways of arranging ...
Energy & Green Tech
Mar 26, 2012
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(PhysOrg.com) -- By dissolving polystyrene packing peanuts in biodiesel, scientists have found that they can boost the power output of the fuel while getting rid of garbage at the same time.
Designing a heat engine that can produce maximum power at maximum efficiency is a major challenge. Practical heat engines are limited to a theoretical efficiency called the Carnot limit, which sets a cap on how much heat ...
General Physics
Nov 1, 2023
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Researchers have devised a new concept of superconducting microwave low-noise amplifiers for use in radio wave detectors for radio astronomy observations, and they have successfully demonstrated a high-performance cooled ...
General Physics
Mar 20, 2023
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502
A highly efficient LED that is deadly to microbes and viruses but safe for people has been engineered by three RIKEN physicists. It could one day help countries emerge from the shadows of pandemics by killing pathogens in ...
Optics & Photonics
Oct 4, 2022
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269
Erbium-doped fiber amplifiers (EDFAs) are devices that can provide gain to the optical signal power in optical fibers. They are often used in long-distance communication fiber optic cables and fiber-based lasers. Invented ...
Optics & Photonics
Jun 16, 2022
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183
Semiconductor lasers are the most widely used lasers due to their compact size, high efficiency, low cost and wide spectra. But they suffer low output power and low beam quality—two specifications difficult to improve simultaneously. ...
Optics & Photonics
May 5, 2022
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306
As dust collects on the solar panels and winter comes to Elysium Planitia, the team is following a plan to reduce science operations in order to keep the lander safe.
Space Exploration
Feb 13, 2021
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