英语释义

1. a quantum of electromagnetic radiation
Should a substance happen to have a lot of electrons in a higher level, and a lower level is mostly empty …, then a photon can cause an electron to transfer from a higher state to a lower one. This change releases energy and creates a new photon, in addition to the one which caused the transfer. This photon can in turn induce more electrons to fall to a lower state.
— Robert Gilmore

2. troland

3. a tiny particle of light or electromagnetic radiation

4. a unit of intensity of light at the retina equal to the illumination received per square millimeter of a pupillary area from a surface having a brightness of one candela per square meter — called also troland

5. a quantum of electromagnetic radiation

片语

photon flux[光] 光子通量

emit photons发射光子

scattered photons[物] 散射光子

photon energy光子能

photons s[物] 光子；[量子] 光量子（photon的复数）

photon counter[天] 光子计数器

photons effects光子效应

ballistic photons弹道光子

emitting photons发射光子

ngled photons纠缠光子

polarized photons偏振光子

Max Photons最大光子数

photon detector光子探测器

英汉例句

• So, you might ask then well what is the significance of shooting different amounts of photons at a metal?

  所以，你们可能会问向，金属发射不同数量的光子，有什么重要性？

• The results agree with previous studies that have analyzed single photons whose precursor and main wave form have not been separated, which have reported an oscillatory structure.

  结论与先前的研究相同，虽然先前的研究分析的是尚未将前驱和主波分离的光子，它们显示出了一个振蕩结构。

• They suggest that any alien civilisation worth its salt would alight not on the photons of the electromagnetic spectrum-whether optical or radio-frequency-to send messages to other solar systems.

  他们指出，任何有头脑的外星文明都不会发射电磁波谱中的光子——无论是可见光波段还是射频波段——向另一个太阳系传送信息。

• These speedy electrons interact with photons in the galactic halo, boosting some of them up to the gamma-ray energies observed in the bubbles.

  这些高速电子与银河晕的光子相互作用，将它们中的一些激发，使之成为泡泡中观测到的伽马射线。

• One approach to quantum computing relies on entangling photons and atoms, or binding their quantum states so tightly that they can influence each other even across great distances.

  量子计算的一种实现方法依赖于相互纠缠的光子和原子，这是一种联系非常紧密的量子态，即使两者间隔很远也能相互影响。

• The results have implications for the maximum speed of information transmission by confirming that single photons obey causality; that is, an effect cannot occur before its cause.

  结果表明，由单个光子传递信息的最大速度也符合因果律，即影响不能在产生它的因素产生前出现。

• Intensity, if we increase the intensity, we「re not increasing the energy in each photon, we」re just increasing the number of photons that we「re shooting out of our laser, whatever our light source is.

  强度，如果我们增加强度，我们增加的不是，每个光子的能量，我们增加的仅仅是，从我们激光源射出的光子数，无论我们的光源是什么。

• Then, they calculated what fraction of these photons made it all the way to the intergalactic medium, which at the time was hydrogen.

  然后，他们计算出这些光子中有多少一路到达星系际介质中，当时的星系际介质就是氢。

• When a black body cools down, at some point it no longer radiates light in the visible spectrum, giving off infrared photons instead.

  当黑体变冷的时候，在一定的温度以下，它就不会再发出可见光而是放出红外光子。

• No, because nothing is actually crossing the surface of the moon - the dot isn」t an actual object, it is just a series of photons in the laser beam hitting the surface.

  其实不是这样，这是因为此时并没有什么实际的东西真正地横跨了月球的表面-亮点不是一个实体，它仅仅是击中月球表面激光束里一系列的光子。

• A simple experiment that sends photons through three slits provides the best proof yet of an important axiom of quantum theory called Born's rule, say physicists in Canada and Austria.

  加拿大和奥地利的物理学家介绍，这个简单的实验通过三个缝发出光子，为量子理论的一个重要公理「波恩定则」提供了最好的证明。

• The theory’s vindication would come only with a glimpse of W and Z bosons—particles which, it posited, carried the weak force, just as photons carried the electromagnetic one.

  因为，这个理论的最终证实， 惟赖人们一瞥玻色子W和Z的真容——该理论推断这两种粒子携带弱相互作用力，就像光子携带有电磁力一样。

• No doubt, in the future, these agents will acquire some sub-sub atomic label; just as, presumably, whole classes of angels have been replaced by photons and quarks.

  无疑，未来这些媒介将贴上「某某次次粒子」的标签，正如，很可能所有等级的天使都将最终被光子和夸克所替代。

• When electrons or photons in a beam pass through the two slits, they act as waves and produce an interference pattern on the wall.

  当一束电子或者光子通过这两条裂缝，他们就像波纹一样并产生互相干涉的图案。

• That means they should escape the star almost immediately, while photons of light will take about 3 hours.

  这意味着它们几乎应该立即脱开恒星，而光子则需要约3小时才能离开。

• The researchers have invented a novel photonic molecule system in which a semiconductor quantum dot emits a pair of entangled photons per excitation pulse.

  研究人员发明了一种新型「光子分子」系统，其中半导体量子点在每个激励脉沖都会发出一对纠缠光子。

• But with each collision, the photons slowly assumed the temperature of the pigment molecules, cooling one another to room temperature without being lost in the process.

  而每经过一次碰撞，光子的温度会慢慢地趋近于色素分子的温度，进而降温至室温，而且光子在这一过程中不会消失。

• All well and good. But if that pattern was the result of interference then presumably what we can do is get rid of interference by firing single particles of light, single photons at the screen.

  这一切都很好，但是如果那个图形是由干扰造成的，那么或许我们可以，通过向屏幕放射光的单粒子，即单光子来消除干扰。