What happens when a wave passes through some ... but here is a diagram of what that would look like: L is the distance from the diffraction grating to the screen (something quite large, like ...

IT has been well established 1,2 that, in the case of diffraction of light by very ... it attains the maximum intensity when the sound wave-front is tilted to the corresponding Bragg reflexion ...

Similar to the diffraction of light at a slit, the directivity of the spin-wave emission is improved ... aperture (6 mm × 1.2 mm) in the front focal plane of a focusing lens.