Experimental study of a FEM based on a 2D distributed feedback cavity
- Konoplev, I.V.
- McGrane, P.
- Ronald, K.
- Cross, A.W.
- He, W.
- Whyte, C.G.
- Phelps, A.D.R.
- Robertson, C.W.
- Speirs, David
- Ginzburg, N.S.
- Peskov, N. Yu
- Sergeev, A.S.
- Thumm, M.
- IEEE
DOIAbstract
We report operation of a co-axial free-electron maser (FEM) based on two-dimensional distributed feedback. The 37.3GHz FEM was driven by an annular electron beam (475kV, 500A, 250ns) and generated 15MW ±1.5MW of radiation with a 6% conversion efficiency. To investigate an increase in FEM output power and efficiency a new cavity configuration based on a copper 2D Bragg reflector is studied
Add to ORKG