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abstract:
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Explores the use of the 2.2 km PEP storage ring at SLAC to drive a 40 angstrom free-electron laser in the self-amplified spontaneous emission configuration. Various combinations of electron-beam and undulator parameters, as well as special undulator designs, are discussed. Saturation and high peak, in-band, coherent power (460 MW) are possible with a 67 m, hybrid permanent-magnet undulator in a ring bypass. A 100 m, cusp-field undulator can achieve high average, in-band, coherent power (0.25 W) in the main ring. The existing, 25.6 m Paladin undulator at LLNL, with the addition of optical-klystron dispersive sections, is considered for both peak and average power. (35 References).
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