News tagged with quantum cascade
Fine-tuned: A wholly new approach to tuning a laser's frequency
Dec 04, 2009 |
4.5 / 5 (10) |
2
(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 ...
Researchers demonstrate 100-watt-level mid-infrared lasers
Dec 01, 2009 |
4.7 / 5 (12) |
0
Northwestern University researchers have achieved a breakthrough in quantum cascade laser output power, delivering 120 watts from a single device at room temperature.
Search results for quantum cascade
Shallow Origins
Space & Earth / Earth Sciences
Dec 22, 2009 |
5 / 5 (12) |
2
In finding answers to the mystery of the origin of life, scientists may not have to dig too deep. New research is shedding light on shallower waters as a possible location for where life on Earth began.
Accelerators and Light Sources of Tomorrow (Part 1: From Linacs to Lasers)
Dec 22, 2009 |
4.6 / 5 (5) |
2
From their humble beginnings as offshoots of the ordinary electric light bulb, particle accelerators have evolved in surprising directions. Among the most productive and promising developments have been light ...
New human reproductive hormone could lead to novel contraceptives
Dec 22, 2009 |
4.5 / 5 (4) |
0
(PhysOrg.com) -- Nearly 10 years after the discovery that birds make a hormone that suppresses reproduction, University of California, Berkeley, neuroscientists have established that humans make it too, opening ...
Surgery recognized as effective treatment for type 2 diabetes
Dec 22, 2009 |
4.7 / 5 (3) |
0
A first-of-its-kind consensus statement by 50 medical experts from around the world has pronounced surgery to be a legitimate and effective treatment for type 2 diabetes, bringing the procedure a significant step closer to ...
Digital Quantum Battery Could Boost Energy Density Tenfold
Dec 22, 2009 |
4.9 / 5 (33) |
13
(PhysOrg.com) -- Physicists theorize that quantum phenomena could provide a major boost to batteries, with the potential to increase energy density up to 10 times that of lithium ion batteries. According to ...
Physicists propose quantum entanglement for motion of microscopic objects
Dec 21, 2009 |
4.3 / 5 (18) |
13
Researchers at the California Institute of Technology (Caltech) have proposed a new paradigm that should allow scientists to observe quantum behavior in small mechanical systems.
Hot Electrons Could Double Solar Cell Power Efficiency
Dec 18, 2009 |
4.3 / 5 (15) |
2
Scientists have experimentally verified a theory suggesting that hot electrons could double the output of solar cells. The researchers, from Boston College, have built solar cells that successfully use hot ...
Orion Launch Abort System Attitude Control Motor Lights Up Sky
Space & Earth / Space Exploration
Dec 17, 2009 |
4.7 / 5 (3) |
1
(PhysOrg.com) -- It looked like a light show in Elkton, Md., on Tuesday, Dec. 15, as NASA ground tested a full-scale attitude control motor, or ACM. The motor operated with precision as its elaborate eight-valve ...
Researcher studies the universe through quantum electrodynamics
Dec 17, 2009 |
3.6 / 5 (9) |
0
(PhysOrg.com) -- Fundamental constants, such as the standards for length and mass, are a given in our society. However, research has shown that these constants might be changing slightly with the expansion of the universe.
More effort needed to crack down on 'secret remedies'
Dec 17, 2009 |
3.4 / 5 (5) |
4
The medical establishment and politicians must do more to crack down on alternative medicine, argues a senior scientist on BMJ.com today.
List of search results for quantum cascade
