But gravitational lensing had never before been used in such a precise way.
但是引力透镜还从未以如此精确的方法被使用过。
Gravitational lensing occurs because gravity, as Einstein showed, bends light.
引力透镜效应(注2)的产生是因为引力会改变光路,正如爱因斯坦提出的那样。
"Gravitational lensing has come of age as a competitive tool in the astrophysicist's toolkit," Marshall said.
“引力透镜已经是天文学家的工具箱里一件成熟的有竞争力的工具。”马歇尔说。
Astronomers measure how much dark matter lies in galaxies by a fluke of physics called gravitational lensing.
天文学家通过一种叫做引力透镜效应的物理现象来测算星系中暗物质的质量。
So researchers used a statistical analysis to measure the orientation and shape of the galaxies to find small distortions due to so-called weak lensing.
所以研究人员使用统计分析来观测星系的位置和形状,从而找出由弱透镜效应造成的微小偏移。
Exclusive optical lensing, good Color uniformity.
独特的光学系统,色度均匀。
These black holes are also potentially detectable through their lensing effects.
这些黑洞也是引力透镜实验潜在的探测目标。
Because the gas cloud is more massive, the lensing it creates should be more pronounced.
由于气云较为庞大,所产生的引力透镜现象也就应该更为明显。
Researchers explained that a lensing effect magnified the light of the distant star by 500 times.
研究者解释到,透镜作用将遥远恒星发出的光放大了500倍。
Finally, possible thermal lensing effects in ion gas lasers and other lasers are briefly discussed.
最后,简单地讨论了离子气体激光器和某些其它激光器中的可能热透镜效应。
The enhancement effect of water-soluble polymers for laser thermal lensing spectroscopy(TLS) has been investigated.
本文研究了水溶性高分子对激光热透镜分析的增强作用。
Gravitational lensing has become one of the most useful techniques available to scientists in mapping the universe.
引力透视效应如今成为了让科学家得以绘制宇宙图谱的最有用的技术之一。
This paper studies the thermal lensing effect of optical element under laser heating at non-thermal equilibrium state.
研究了强激光作用下非热平衡状态光学元件的热透镜效应。
They've created numerous "dark matter maps" using different techniques, including gravitational lensing of galaxy clusters.
他们通过各种技术绘制了大量“暗物质地图”,包括星系簇的引力透镜效应。
But Dr. Krauss said: "He only thought of lensing by stars and didn't think of galaxies. He really wasn't much of an astronomer. ""
然而,克劳斯说:“爱因斯坦只考虑到了恒星的透镜效应,没有想到星系。他的确不那么精通天文学。”
Relaxation rates of chromyl chloride molecules have been measured under different pressures using the technique of thermal lensing.
用时间分辨热透镜技术测定了铬酰氯分子在不同气压下的弛豫速率。
This paper concerns the thermal lensing effect that occurs as laser going through an optical window, and its influence on beam quality.
分析了高功率激光通过窗口时,引起的窗口热透镜效应及其对激光光束质量的影响。
At present, photothermal deflection technology and surface thermal lensing technology are widely applied in weak absorption measurement.
目前,广泛使用的测量弱吸收的方法有光热偏转技术和表面热透镜技术。
Effect of thermal lensing is the main obstacle of getting high power and good beam quality in laser diode (LD)-pumped solid-state lasers.
在高功率激光二极管抽运固体激光器中,热效应已成为获得高输出功率和高光束质量的最大阻碍因素。
When light from a star passes near a galaxy, for example, its path bends, changing where the star appears in the sky-the so-called gravitational lensing effect.
例如,当恒星发出的光经过一个星系附近,其路径会弯曲,改变恒星出现在天空中的位置——这就是所谓的引力透镜效应。
It is shown that the thermal lensing effects have considerable influence on the output and resonance frequencies, particularly for the fundamental mode lasers.
结果表明,热透镜效应对输出功率和频率特性影响相当大,对基模输出激光器的影响最为突出。
Gravitational lensing works like this: When a large nearby object like a galaxy blocks a distant object, such as another galaxy, the light can detour around the blockage.
引力透镜的工作原理如下:较近的大型物体如星系挡住一个远处的物体,如另一个星系时,光可以从阻挡物的旁边绕过来。
The sphere, for instance, represents how space is bent around a star or other mass - light passing through this warped space bends in an effect called gravitational lensing.
作为例子,这个球面代表了恒星或其他质量附近的空间是怎样弯曲的-光通过这个扭曲空间所引起的弯曲称为引力透镜效应。
Gravitational lensing takes advantage of the fact that large celestial objects such as stars or planets warp the fabric of space-time such that light rays passing nearby are bent.
引力透镜利用这样的一个现象:巨大的天体会扭曲它附近的时空组成物。比如,当光线经过恒星或行星附近时会发生弯曲。
Because of their heft, the clusters act like giant cosmic lenses, magnifying, distorting and bending any light that passes through them - an effect known as gravitational lensing.
得益于它们的重量,MACS星系就像一个巨大的宇宙镜头,能放大,变形和弯曲经过它们的任何光,和引力透镜的效果一样。
As a result, multiple images of these background galaxies are distorted into long faint arcs — a simple lensing effect analogous to viewing distant street lamps through a glass of wine.
结果是这些背景星系的多重影像被扭曲成长而暗的弧——透镜效应的例子,类似于透过酒瓶底的玻璃看远处的街灯。
The thermally-stabilized resonance cavity can be used in high power diode-pumped solid state laser, it can eliminate thermal-lensing and ensure the laser performance stability and credibility.
该热稳定腔可应用于大功率半导体泵浦固体激光器,有效消除腔内的热透镜效应,在激光大功率输出时保证激光器性能稳定可靠。
The thermally-stabilized resonance cavity can be used in high power diode-pumped solid state laser, it can eliminate thermal-lensing and ensure the laser performance stability and credibility.
该热稳定腔可应用于大功率半导体泵浦固体激光器,有效消除腔内的热透镜效应,在激光大功率输出时保证激光器性能稳定可靠。
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