What is a wavefront? - Physics Stack Exchange
"A wavefront is a contiguous region of constant phase". Wendy's choice of "crest" is just the selection of a particular phase ($0 \pm 2\pi n$ for wave represented with $\cos$ for instance), …
Wavefront of a wave? - Physics Stack Exchange
2015年1月22日 — $\begingroup$ In physics, a wavefront is the locus of points having the same phase: a propagation of a line in 1d, a curve in 2d or a surface for a wave in 3d.[1] - see the …
waves - How to determine the wavefront - Physics Stack Exchange
2018年3月13日 — The 'wavefront' is the furthest extent of the wave, which is governed by causality. The 'wavefield' includes what follows after the 'wavefront'. Google Huygens Principle …
waves - Wavefront meaning - Physics Stack Exchange
2019年7月10日 — Join points on the wave which are in phase with one another, eg “crests”, and you then have a wavefront. Take another “photograph” of the wave a little later in time. Join …
On the definition of ray (optics) and wavefront of light
2022年8月6日 — If so, how does the wavefront, to which it is perpendicular, look? As shown above with just the wavefronts defined the rays directed to the right but with the angular separation …
wavefronts and wave - Physics Stack Exchange
2018年1月17日 — A wavefront is a surface where some particular condition holds. It is a locus of points. The wave is the whole phenomenon of a propagating oscillation. In theory the wave …
Why doesn't a backward wave exist? (Huygens principle)
2020年4月25日 — where $\theta$ is the angle between the normal to the original wavefront and the normal to the secondary wavefront. Google "obliquity factor" and also see this: Intuition of …
Why the direction of propagation of wave is perpendicular to …
2020年2月15日 — it is a tautology, since the wavefront is radial. One could call it a definition. Look at the plane wave before the point source. Can there be another defintion of the direction of …
computing wavefront deviations for off-axis mirrors
Mirror system, through weak but intended ellipsoidal shape, imparts phase to the diffracting spherical wavefront so that now the wavefront has the conjugate phase (intended function, so …
Derivation RMS wavefront error Zernike polynomials
2023年2月13日 — The "$\bar{W}$" in the integral that they've presented stands for "mean wavefront optical path difference" in a given point which accounts for a "displacement" of your …