diffraction slit造句

Joseph von Fraunhofer developed the first modern spectroscope by combining a prism, diffraction slit and stellar spectra, including Fraunhofer lines.
For example, the pattern ( probability distribution ) produced by millions of photons passing through a diffraction slit can be calculated using quantum mechanics, but the exact path of each photon cannot be predicted by any known method.
It's difficult to find diffraction slit in a sentence. 用diffraction slit造句挺难的