搜索结果: 1-15 共查到“国际动态 lasers”相关记录19条 . 查询时间(0.046 秒)
Cornell engineers have created a deep-ultraviolet laser using semiconductor materials that show great promise for improving the use of ultraviolet light for sterilizing medical tools, purifying water,...
In science fiction, firing powerful lasers looks easy -- the Death Star can just send destructive power hurtling through space as a tight beam. But in reality, once a powerful laser has been fired, ca...
Researchers identify free-flowing aerosol particles using holograms,lasers（图）
Researchers identify free-flowing aerosol particles holograms lasers
2017/10/25
Holographic images of free-flowing air particles may help climate change and biological weapons watchdogs better monitor the atmosphere, according to a recent Kansas State University study.Principle i...
Trihydrogen, or H3+, has been called the molecule that made the universe, where it plays a greater role in astrochemistry than any other molecule. While H3+ is astronomically abundant, no scientist un...
'Lossless' metamaterial could boost efficiency of lasers and other light-based devices
Lossless metamaterial lasers other light-based devices
2017/3/14
Engineers at the University of California San Diego have developed a material that could reduce signal losses in photonic devices. The advance has the potential to boost the efficiency of various ligh...
Lasers have become indispensable to modern life since they were invented more than fifty years ago. The ability to generate and amplify light waves into a coherent, monochromatic and well-focused beam...
Letting go with lasers
Letting go lasers
2015/7/13
Small objects tend to cling to everything. It's why parents dread hosting parties that involve confetti. It's why glitter is fun for crafts--until it finds its way onto everything else you touch.When ...
Solid-state proteins maximize the intensity of fluorescent-protein-based lasers（图）
Solid-state proteins fluorescent-protein-based lasers
2014/12/30
The same research team that developed the first laser based on a living cell has shown that use of fluorescent proteins in a solid form rather than in solution greatly increases the intensity of light...
A technique for regulating the tempo of heartbeats with short flashes of light could lead to a less intrusive type of pacemaker, say researchers in the US. A team led by Andrew Rollins at Case Western...
Hail the first sound ‘lasers’（图）
the first phonon "lasers" coherent sound waves the megahertz range
2010/3/26
Two independent groups of physicists have unveiled the first phonon "lasers" – devices that emit coherent sound waves in much the same ways as lasers emit coherent light waves. Sometimes called "saser...
Lasers zap fusion doubts at NIF（图）
Lasers fusion NIF
2010/2/24
Researchers in the US say they have made a crucial breakthrough towards achieving laser fusion and that they expect to generate the conditions for a sustained nuclear reaction by the end of the year. ...
Physicists in the US have become the first to use laser light to make neutral, ultracold atoms behave like charged particles in a magnetic field – even though the atoms have no charge. The set-up coul...
'Mini lasers' illuminate dark molecules（图）
Mini lasers dark molecules microscopy technique
2009/10/27
A new microscopy technique that turns molecules into "mini lasers" has been developed by researchers in the US. The new method could help scientists to study biological samples containing "dark molecu...
Arm dentists with lasers, urge researchers（图）
Arm dentists lasers laser sound surface probe
2009/8/26
Your dentist's verdict on the health of your teeth could be made more accurate, thanks a new physics-based technique developed by scientists in Australia and Taiwan. Developed by a team led by Simon F...
Making waves in the brain-Researchers use lasers to induce gamma brain waves in mice
lasers brain waves mice oscillation cycle
2009/4/30
Scientists have studied high-frequency brain waves, known as gamma oscillations, for more than 50 years, believing them crucial to consciousness, attention, learning and memory. Now, for the first tim...