Normally a CMB photon is first blueshifted (its peak shifts towards the blue end of the spectrum) when it enters the supercluster and then redshifted as it leaves, so that the two effects cancel.

通常来说，宇宙微波背景辐射粒子先发生了蓝移（它们的峰向光谱的蓝端移动），但当它进入超星系团之后又发生了红移。 这两个效果相互抵消。

youdao

By using the concept of "coherence area", we standardized three familiar statements about the spatial coherence criterion on a photon correlation spectrum measurement system.

利用相干面积概念对光子相关谱测量系统空间相干性判据的几种常见表述进行了规范。

youdao

Using a simplified model of light interference, we discussed the physical essence of the spatial coherence demand on a photon correlation spectrum measurement system in dynamic light scattering.

利用光干涉的简化模型讨论了动态光散射中光子相关谱测量系统的空间相干性要求的物理本质。

youdao

Solar panels that capture every photon across the light spectrum, even subpar photons like the kind that rain down on cloudy Auld Reekie.

FORBES: Intelligent Design Comes To Inorganic Matter