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abstract:
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A high gain free electron laser (FEL) operating in a special bypass of a storage ring can provide tens of megawatts of coherent power at wavelengths shorter than 1000 AA. The requirements on beam qualities are demanding, a few hundred amperes of peak current in an emittance of about 10/sup -8/ m-rad with a relative energy spread of approximately 10/sup -3/. Designing an electron storage ring with the required characteristics involves a comprehensive analysis of the restrictions from, and relationships between, the FEL physics, the multiparticle beam phenomena, and the ring lattice structure. A summary of such a study is reported and some design examples are given. (12 References).
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