An X-Ray Regenerative Amplifier Free-Electron Laser Using Diamond Pinhole Mirrors

H.P. Freund, P.J.M. van der Slot, Yu Shvyd'ko

Research output: Contribution to journal › Article › Academic › peer-review

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Abstract

X-ray free-electron lasers (FELs) rely on SASE due to the lack of seed lasers and the difficulty in obtaining mirrors. Progress in diamond crystal Bragg mirrors enables the design of x-ray FEL oscillators. Regenerative amplifiers (RAFELs) are high gain/low-Q oscillators that out-couple most of the optical power. An x-ray RAFEL based on the LCLS-II at SLAC using a six-mirror resonator out-coupling 90% or more through a pinhole in the first downstream mirror is analyzed using the MINERVA simulation in the undulator and OPC for the resonator. Results show substantial powers at the fundamental (3.05 keV) and 3rd harmonic (9.15 keV).
Original languageEnglish
Article number093028
Number of pages10
JournalNew journal of physics
Volume21
DOIs
Publication statusPublished - 16 Sep 2019

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pinholes
free electron lasers
amplifiers
diamonds
mirrors
resonators
oscillators
x rays
x ray lasers
Bragg reflectors
high gain
seeds
harmonics
crystals
lasers
simulation

Keywords

  • oscillator
  • regenerativeamplifier
  • x-ray
  • free-electronlaser

Cite this

Freund, H.P. ; van der Slot, P.J.M. ; Shvyd'ko, Yu. / An X-Ray Regenerative Amplifier Free-Electron Laser Using Diamond Pinhole Mirrors. In: New journal of physics. 2019 ; Vol. 21.
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abstract = "X-ray free-electron lasers (FELs) rely on SASE due to the lack of seed lasers and the difficulty in obtaining mirrors. Progress in diamond crystal Bragg mirrors enables the design of x-ray FEL oscillators. Regenerative amplifiers (RAFELs) are high gain/low-Q oscillators that out-couple most of the optical power. An x-ray RAFEL based on the LCLS-II at SLAC using a six-mirror resonator out-coupling 90{\%} or more through a pinhole in the first downstream mirror is analyzed using the MINERVA simulation in the undulator and OPC for the resonator. Results show substantial powers at the fundamental (3.05 keV) and 3rd harmonic (9.15 keV).",
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Freund, HP, van der Slot, PJM & Shvyd'ko, Y 2019, 'An X-Ray Regenerative Amplifier Free-Electron Laser Using Diamond Pinhole Mirrors' New journal of physics, vol. 21, 093028. https://doi.org/10.1088/1367-2630/ab3f72

An X-Ray Regenerative Amplifier Free-Electron Laser Using Diamond Pinhole Mirrors. / Freund, H.P.; van der Slot, P.J.M.; Shvyd'ko, Yu.

In: New journal of physics, Vol. 21, 093028, 16.09.2019.

Research output: Contribution to journal › Article › Academic › peer-review

TY - JOUR

T1 - An X-Ray Regenerative Amplifier Free-Electron Laser Using Diamond Pinhole Mirrors

AU - Freund, H.P.

AU - van der Slot, P.J.M.

AU - Shvyd'ko, Yu

PY - 2019/9/16

Y1 - 2019/9/16

N2 - X-ray free-electron lasers (FELs) rely on SASE due to the lack of seed lasers and the difficulty in obtaining mirrors. Progress in diamond crystal Bragg mirrors enables the design of x-ray FEL oscillators. Regenerative amplifiers (RAFELs) are high gain/low-Q oscillators that out-couple most of the optical power. An x-ray RAFEL based on the LCLS-II at SLAC using a six-mirror resonator out-coupling 90% or more through a pinhole in the first downstream mirror is analyzed using the MINERVA simulation in the undulator and OPC for the resonator. Results show substantial powers at the fundamental (3.05 keV) and 3rd harmonic (9.15 keV).

AB - X-ray free-electron lasers (FELs) rely on SASE due to the lack of seed lasers and the difficulty in obtaining mirrors. Progress in diamond crystal Bragg mirrors enables the design of x-ray FEL oscillators. Regenerative amplifiers (RAFELs) are high gain/low-Q oscillators that out-couple most of the optical power. An x-ray RAFEL based on the LCLS-II at SLAC using a six-mirror resonator out-coupling 90% or more through a pinhole in the first downstream mirror is analyzed using the MINERVA simulation in the undulator and OPC for the resonator. Results show substantial powers at the fundamental (3.05 keV) and 3rd harmonic (9.15 keV).

KW - oscillator

KW - regenerativeamplifier

KW - x-ray

KW - free-electronlaser

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DO - 10.1088/1367-2630/ab3f72

M3 - Article

VL - 21

JO - New journal of physics

JF - New journal of physics

SN - 1367-2630

M1 - 093028

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Freund HP, van der Slot PJM, Shvyd'ko Y. An X-Ray Regenerative Amplifier Free-Electron Laser Using Diamond Pinhole Mirrors. New journal of physics. 2019 Sep 16;21. 093028. https://doi.org/10.1088/1367-2630/ab3f72

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