# Fano effect

> English word · Noun

## Definitions
1. The polarization of the spin of electrons produced when alkali atoms absorb circularly polarized light; any of several similar quantum optical effects

## Etymology
For Ugo Fano, Italian physicist.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/fano-effect