Energy recovered Linacs are being proposed for the next generation of
synchrotron light sources because of the high brightness that is
potentially available. The electron beams are accelerated in a
superconducting linac, make a single pass around a transport line
containing wigglers and undulators, and are decelerated in the same
linac, returning their energy to the cavities. Achieving the full
potential of such a light source requires high current, high brightness
guns - 100 mA is desirable. In this talk, it is proposed to drift the
electron beam through the linac so that it traverses the wigglers and
undulators twice before being decelerated. This would halve the
requirements on the gun for the same brightness.
Talk Slides:
part 1,
part 2
(Coffee & Cookies before the seminar starting 10:00 am)