Axial magnetic-field effects in a collective-interaction free-electron laser at millimeter wavelengths
Journal Article
·
· Phys. Rev. Lett.; (United States)
The collective free-electron laser interaction has been studied at millimeter wavelengths using a newly designed experimental apparatus which features an electron beam of low emittance. Measurements in a superradiant amplifier configuration indicate the production of 35 MW at approx.4 mm with an efficiency of 2.5%. The parametric dependences of power thresholds and wavelength on pump and guide magnetic field are shown to be in agreement with theory.
- Research Organization:
- Naval Research Laboratory, Washington, D.C. 20375
- OSTI ID:
- 5677270
- Journal Information:
- Phys. Rev. Lett.; (United States), Vol. 48:4
- Country of Publication:
- United States
- Language:
- English
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