supercontinuum

noun

formed when a collection of nonlinear processes act together upon a pump beam in order to cause severe spectral broadening of the original pump beam

Wiktionary

noun

Etymology: Etymology tree Proto-Indo-European *úp Proto-Indo-European *-er Proto-Indo-European *upér Proto-Italic *super Latin super Latin super-lbor. English super- English continuum English supercontinuum From super- + continuum.

light having both high spatial coherence and broad spectral bandwidth; i.e. laser light that is not monochromatic