Experimental test of the inverse free-electron-laser accelerator principle
- 1 September 1992
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 46 (6) , 3566-3568
- https://doi.org/10.1103/physreva.46.3566
Abstract
A free-electron laser was configured as an autoaccelerator to test the principle of accelerating electrons by stimulated absorption of radiation (λ=1.65 mm) by an electron beam (750 kV) traversing an undulator. Radiation is produced in the first section of a constant period undulator (=1.43 cm) and then absorbed (∼40%) in a second undulator, having a tapered period (=1.8–2.25 cm), which results in the acceleration of a subgroup (∼9%) of electrons to ∼1 MeV.
Keywords
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