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Photonics Dictionary

supercontinuum light

A broadband, white-light source produced by high-intensity light pulses propagating in various media. High-energy, ultrashort pulses experience strong nonlinear interactions, such as self-phase modulation, cross-phase modulation, harmonic generation, four-wave mixing, and Raman scattering when propagating through matter. These interactions can broaden the spectrum of the light by as much as two orders of magnitude in some cases. The resultant broadband light, referred to as a supercontinuum, can be broad enough to span one or more octaves.
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