Definition from Wiktionary, the free dictionary
Acronym for "surface plasmon amplification by stimulated emission of radiation"; compare laser. The phenomenon was first described by Bergman and Stockman in 2003, and the first such device was announced in 2009.
spaser (plural spasers)
- (physics) The nanoplasmonic counterpart of a laser; a nanoscale source of optical fields with potential uses in nanoscale lithography, probing and microscopy.