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Is there a maximum frequency for a gamma ray?
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Is there a maximum frequency for a gamma ray?
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alancalverd
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Re: Is there a maximum frequency for a gamma ray?
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Reply #20 on:
11/03/2022 10:55:22 »
Just bashing the electron into a target is technically simple up to about 15 MeV but not very efficient: you produce a broad spectrum of x-rays, most of which you don't want, and a lot of heat, none of which is useful.
At higher energies you use various forms of magnetic wiggler or undulator. Remember a photon is emitted when an electron accelerates, so if you keep the speed constant but bend the track, you will generate photons tangential to the bend. A good wiggler or undulator will give you a very intense beam of near-monochromatic x-rays.
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