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Zurich Instruments AG - Lock-In Amplifiers 4/24 LB
Photonics Dictionary

Compton scattering

The phenomenon observed by A.H. Compton in 1923 -- that some scattered radiation possesses a longer wavelength and correspondingly smaller frequency than the incident radiation. It may be described as the collision between an incident photon and an initially resting electron, after which the electron gains momentum and energy, and the outgoing photon has less energy and smaller frequency than the incident one.
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