Fully Coherent X-ray Pulses from a Regenerative Amplifier Free Electron Laser

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Description

We propose and analyze a novel regenerative amplifier free electron laser (FEL) to produce fully coherent x-ray pulses. The method makes use of narrow-bandwidth Bragg crystals to form an x-ray feedback loop around a relatively short undulator. Self-amplified spontaneous emission (SASE) from the leading electron bunch in a bunch train is spectrally filtered by the Bragg reflectors and is brought back to the beginning of the undulator to interact repeatedly with subsequent bunches in the bunch train. The FEL interaction with these short bunches not only amplifies the radiation intensity but also broadens its spectrum, allowing for effective transmission of ... continued below

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11 pages

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Huang, Zhirong & Ruth, Ronald D. February 17, 2006.

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Description

We propose and analyze a novel regenerative amplifier free electron laser (FEL) to produce fully coherent x-ray pulses. The method makes use of narrow-bandwidth Bragg crystals to form an x-ray feedback loop around a relatively short undulator. Self-amplified spontaneous emission (SASE) from the leading electron bunch in a bunch train is spectrally filtered by the Bragg reflectors and is brought back to the beginning of the undulator to interact repeatedly with subsequent bunches in the bunch train. The FEL interaction with these short bunches not only amplifies the radiation intensity but also broadens its spectrum, allowing for effective transmission of the x-rays outside the crystal bandwidth. The spectral brightness of these x-ray pulses is about two to three orders of magnitude higher than that from a single-pass SASE FEL.

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11 pages

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  • Report No.: SLAC-PUB-11598
  • Grant Number: AC02-76SF00515
  • DOI: 10.2172/876447 | External Link
  • Office of Scientific & Technical Information Report Number: 876447
  • Archival Resource Key: ark:/67531/metadc876282

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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Creation Date

  • February 17, 2006

Added to The UNT Digital Library

  • Sept. 21, 2016, 2:29 a.m.

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  • Nov. 28, 2016, 6:09 p.m.

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Huang, Zhirong & Ruth, Ronald D. Fully Coherent X-ray Pulses from a Regenerative Amplifier Free Electron Laser, report, February 17, 2006; [Menlo Park, California]. (digital.library.unt.edu/ark:/67531/metadc876282/: accessed November 17, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.