SLAC Today is
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In this issue:
A Bunch of Electron Chicanery
Dorfan Today: The Importance of Review and Policy Committees
Why All the Dust at Sand Hill and 280?
Safety First
Monday - November 20, 2006 |
A Bunch of Electron ChicaneryAs the Linac Coherent Light Source (LCLS) takes shape over the next few years, one of the key issues occupying the minds of physicists is controlling the size and shape of the electron pulses used to generate the x-ray laser light. Optimal operation of the LCLS will require achieving pulses of electrons that are tightly bunched. This will both ensure that the machine operates the way it was designed and give researchers a means of taking data on an extremely short timescale. During the current shutdown, technicians have been busy installing the first of two hardware systems onto SLAC's linac that will shorten the length of the electron bunches. Called "bunch compressors" or "magnet chicanes," these devices consist of a series of magnets and drift tubes that divert the electrons flowing through the linac along a bent path that travels out away from the accelerator a short distance and then back. Read more... |
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