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Title: Tapering enhanced stimulated superradiant oscillator

Abstract

In this paper, we present a new kind of high power and high efficiency free-electron laser oscillator based on the application of the tapering enhanced stimulated superradiant amplification (TESSA) scheme. The main characteristic of the TESSA scheme is a high intensity seed pulse which provides high gradient beam deceleration and efficient energy extraction. In the oscillator configuration, the TESSA undulator is driven by a high repetition rate electron beam and embedded in an optical cavity. A beam-splitter is used for outcoupling a fraction of the amplified power and recirculate the remainder as the intense seed for the next electron beam pulse. The mirrors in the oscillator cavity refocus the seed at the undulator entrance and monochromatize the radiation. We discuss the optimization of the system for a technologically relevant example at 1 μm using a 1 MHz repetition rate electron linac starting with an externally injected igniter pulse.

Authors:
 [1];  [2];  [2];  [3];  [4]
  1. Univ. of California, Los Angeles, CA (United States). Department of Physics and Astronomy; SLAC National Accelerator Lab., Menlo Park, CA (United States)
  2. Univ. of California, Los Angeles, CA (United States). Department of Physics and Astronomy
  3. RadiaBeam Technologies, Santa Monica, CA (United States)
  4. Tel Aviv Univ., Ramat Aviv (Israel). Faculty of Engineering, Department of Physical electronics
Publication Date:
Research Org.:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1467757
Alternate Identifier(s):
OSTI ID: 1475427
Grant/Contract Number:  
AC02-76SF00515; SC0009914; SC0013749
Resource Type:
Published Article
Journal Name:
Physical Review Accelerators and Beams
Additional Journal Information:
Journal Volume: 21; Journal Issue: 8; Journal ID: ISSN 2469-9888
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
43 PARTICLE ACCELERATORS

Citation Formats

Duris, J., Musumeci, P., Sudar, N., Murokh, A., and Gover, A. Tapering enhanced stimulated superradiant oscillator. United States: N. p., 2018. Web. doi:10.1103/physrevaccelbeams.21.080705.
Duris, J., Musumeci, P., Sudar, N., Murokh, A., & Gover, A. Tapering enhanced stimulated superradiant oscillator. United States. doi:10.1103/physrevaccelbeams.21.080705.
Duris, J., Musumeci, P., Sudar, N., Murokh, A., and Gover, A. Thu . "Tapering enhanced stimulated superradiant oscillator". United States. doi:10.1103/physrevaccelbeams.21.080705.
@article{osti_1467757,
title = {Tapering enhanced stimulated superradiant oscillator},
author = {Duris, J. and Musumeci, P. and Sudar, N. and Murokh, A. and Gover, A.},
abstractNote = {In this paper, we present a new kind of high power and high efficiency free-electron laser oscillator based on the application of the tapering enhanced stimulated superradiant amplification (TESSA) scheme. The main characteristic of the TESSA scheme is a high intensity seed pulse which provides high gradient beam deceleration and efficient energy extraction. In the oscillator configuration, the TESSA undulator is driven by a high repetition rate electron beam and embedded in an optical cavity. A beam-splitter is used for outcoupling a fraction of the amplified power and recirculate the remainder as the intense seed for the next electron beam pulse. The mirrors in the oscillator cavity refocus the seed at the undulator entrance and monochromatize the radiation. We discuss the optimization of the system for a technologically relevant example at 1 μm using a 1 MHz repetition rate electron linac starting with an externally injected igniter pulse.},
doi = {10.1103/physrevaccelbeams.21.080705},
journal = {Physical Review Accelerators and Beams},
number = 8,
volume = 21,
place = {United States},
year = {2018},
month = {8}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
DOI: 10.1103/physrevaccelbeams.21.080705

Citation Metrics:
Cited by: 2 works
Citation information provided by
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Figures / Tables:

FIG. 1 FIG. 1: Cartoon of the TESSO concept. A ring-like optical cavity is used to recirculate a small fraction of the electromagnetic radiation as a seed for the high efficiency decelerator. The cavity oscillation can be jump-started with an igniter pulse.

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