搜索结果: 1-15 共查到“国际动态 光学其他学科”相关记录28条 . 查询时间(2.401 秒)
Researchers develop flexible,stretchable photonic devices
Researchers flexible stretchable photonic devices
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2017/11/23
Researchers at MIT and several other institutions have developed a method for making photonic devices — similar to electronic devices but based on light rather than electricity — that can bend and str...
UCF Researchers Set Record for Fastest Light Pulse— Again（图）
UCF Researchers Set Record Fastest Light Pulse
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2017/9/4
A research team at the University of Central Florida has demonstrated the fastest light pulse ever developed, a 53-attosecond X-ray flash.The group led by Professor Zenghu Chang beat its own record se...
CCNY physicists demonstrate photonic hypercrystals for control of light-matter interaction
CCNY physicists photonic hypercrystals light-matter interaction
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2017/7/20
Control of light-matter interaction is central to fundamental phenomena and technologies such as photosynthesis, lasers, LEDs and solar cells. City College of New York researchers have now demonstrate...
PowerPoint&LED Projector Enable New Technique for Self-Folding Origami
PowerPoint LED Projector Enable Technique for Self-Folding Origami
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2017/7/19
Researchers at the Georgia Institute of Technology and Peking University have found a new use for the ubiquitous PowerPoint slide: Producing self-folding three-dimensional origami structures from phot...
Group blazes path to efficient,eco-friendly deep-ultraviolet LED
Group eco-friendly deep-ultraviolet LED
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2017/3/14
The darkest form of ultraviolet light, known as UV-C, is unique because of its reputation as a killer – of harmful organisms.With wavelengths of between 200 and 280 nanometers, this particular form of...
Lead dressed like gold:Laser-altered molecules cast alchemy in a different light
Lead dressed like gold Laser-altered molecules cast alchemy different light
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2017/3/14
Since the Middle Ages, alchemists have sought to transmute elements, the most famous example being the long quest to turn lead into gold. Transmutation has been realized in modern times, but on a minu...
Next-Generation Optics Offer the Widest Real-Time Views of Vast Regions of the Sun
Next-Generation Optics Widest Real-Time Views the Sun
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2017/2/16
A groundbreaking new optical device, developed at NJIT’s Big Bear Solar Observatory (BBSO) to correct images of the Sun distorted by multiple layers of atmospheric turbulence, is providing scientists ...
Advance in intense pulsed light sintering opens door to improved electronics manufacturing
intense pulsed light sintering opens door electronics manufacturing
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2017/1/9
Faster production of advanced, flexible electronics is among the potential benefits of a discovery by researchers at Oregon State University’s College of Engineering.Taking a deeper look at photonic s...
It’s a paradox that has long vexed researchers in the field of optics.To control a light source, another light source that uses as much energy — if not more — is often required. The setup works, but i...
光—物质耦合作用强度创新纪录
光—物质耦合 强度 纪录
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2016/11/1
据物理学家组织网近日报道,加拿大滑铁卢大学量子计算研究所(IQC)的科学家们创造了迄今最强的光—物质耦合新纪录,强度是之前的10倍多。研究人员表示,发表在《自然·物理学》杂志上的这一最新成果,将使很多目前无法进行的物理学研究成为可能。
光电“联姻”或可造出新形式的光
光电“联姻” 新形式 光
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2016/8/9
据英国帝国理工学院（ICL）官网消息，该校研究人员表示，通过将光和单个电子“绑”在一起，或可制造出一种新形式的“耦合”光，其拥有光和电子的属性，有助科学家们研制出用光而非电子工作的电路，以及在可见尺度上研究量子物理现象。在普通物质中，光会与物质表面和内部的全套电子相互作用。但通过使用理论物理学对光和最新发现的拓扑绝缘体新材料的行为进行建模，ICL的科学家们发现，光只能同物质表面的一个电子相互作用，...
纳米“镜廊”室温下实现分子与光混合
纳米镜廊 分子与光混合
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2016/6/16
当一个分子发出闪光，发出的光子就不可能再返回。但据英国剑桥大学网站2016年6月13日报道，该校研究人员设法把单个分子放在一种微小的光腔里，让它发出的光子返回到分子中，在适当的时候再离开，让能量在光和分子之间来回振荡，形成一种分子和光的量子态强耦合。这一成果有助于开发量子技术，以及能控制物质物理和化学性质的新方法。相关研究发表于英国《自然》杂志。
UW researchers unleash graphene ‘tiger’ for more efficient optoelectronics
UW researchers graphene tiger efficient optoelectronics
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2016/5/19
In the quest to harvest light for electronics, the focal point is the moment when photons — light particles — encounter electrons, those negatively-charged subatomic particles that form the basis of o...
科学家利用反射光打破超材料对称性
科学家 反射光 超材料 对称性
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2016/4/18
众所周知，旋光性——光偏振的旋转——在和其镜像不同的材料内部产生。不过，如果这种对称性是被照明的方向而非材料本身打破的，又会发生什么呢？对这一问题的好奇，促成了一种新的旋光性的发现。正如一组来自英国南安普敦大学的研究人员在美国物理联合会所属《应用物理学快报》上报告的，用反射光打破超材料的对称性，将使很多新颖的应用成为可能，因为它会引发在规模上前所未有的旋光性——远超此前已知的“像镜子一样”的旋光性...
新方法能在几飞秒内操控电子
几飞秒内操控电子 美国麻省理工学院
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2016/1/26
当硅或石墨烯表面受光照后，其内一些电子会激发到高能态，在几飞秒（千万亿分之一秒）内快速完成一连串反应。而美国麻省理工学院（MIT）的科研人员找到一种新方法，能在光激发电子的前几飞秒内操控石墨烯中的电子。这种超快电子控制技术能在高能电子互相碰撞之前改变它们的方向，最终有望研制出更高效的光伏装置和能量采集设备。