optical Doppler effect

optical Doppler effect

[′äp·tə·kəl ′däp·lər i‚fekt]
(electromagnetism)
A change in the observed frequency of light or other electromagnetic radiation caused by relative motion of the source and observer.
References in periodicals archive ?
Melbourne, Mar 7 (ANI): For the first time ever, researchers have demonstrated a reversal of the optical Doppler effect, an advance that could lead to the development of 'invisibility cloak' technology.