- Conference date: 27 September–2 October 2009
- Location: Melbourne (Australia)
The Advanced Photon Source (APS) is a third‐generation storage‐ring‐based x‐ray source that has been operating for more than 13 years and is enjoying a long period of stable, reliable operation. However, major accelerator upgrades are being investigated in order to maintain scientific relevance into the future. One very promising possibility is the use of an energy recovery linac (ERL). In this option, APS would transition from a source based on a stored electron beam to one based on a continuously generated high‐brightness electron beam from a linac. Such a source promises dramatically improved brightness and transverse coherence compared to third‐generation storage rings. We present a new design for an ERL upgrade that incorporates very long insertion devices. We show that operation at high electron beam energy provides the promise of extremely high brightness for hard x‐rays. We also show results of the first start‐to‐end simulations of an ERL‐based x‐ray source.
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