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Title: Double chirp-taper x-ray free-electron laser for attosecond pump-probe experiments

Journal Article · · Physical Review Accelerators and Beams
 [1];  [1];  [1];  [1];  [1]
  1. SLAC National Accelerator Lab., Menlo Park, CA (United States)
+ Show Author Affiliations

In this paper we propose a double chirp-taper method to produce two subfemtosecond x-ray free-electron lasers (XFELs) using electron beams with sinusoidal energy modulation. The taper of the undulator is optimized to control the power profile of each XFEL pulse to obtain a single-spike power shape. We present start-to-end numerical simulations of this method to demonstrate the generation of two XFEL pulses with ~0.4 fs full width at half maximum, with a time separation tunable from 0 to tens of fs and energy separation limited by the available undulator tuning range. The output of this method provides a powerful tool for XFEL pump-probe experiments at the attosecond timescale.

Research Organization:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
AC02-76SF00515
OSTI ID:
1510375
Alternate ID(s):
OSTI ID: 1526411
Journal Information:
Physical Review Accelerators and Beams, Vol. 22, Issue 5; ISSN 2469-9888
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 14 works
Citation information provided by
Web of Science

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Cited By (1)

Tunable isolated attosecond X-ray pulses with gigawatt peak power from a free-electron laser journal December 2019

Figures / Tables (20)

FIG. 1(p. 2)figure FIG. 1
TABLE I(p. 2)table TABLE I
FIG. 2(p. 3)figure FIG. 2
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FIG. 5(p. 4)figure FIG. 5
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FIG. 9(p. 4)figure FIG. 9
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FIG. 11(p. 5)figure FIG. 11
TABLE II(p. 5)table TABLE II
FIG. 12(p. 6)figure FIG. 12
FIG. 13(p. 6)figure FIG. 13
FIG. 14(p. 6)figure FIG. 14
FIG. 15(p. 7)figure FIG. 15
FIG. 16(p. 7)figure FIG. 16
FIG. 17(p. 7)figure FIG. 17
FIG. 18(p. 7)figure FIG. 18

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