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Title: Design of an amplitude-splitting hard x-ray delay line with subnanoradian stability

Abstract

We propose the design and analysis of a hard x-ray split-delay optical arrangement that combines diffractive and crystal optics. Transmission gratings are employed to achieve the much-desired amplitude splitting and recombination of the beam. Asymmetric channel-cut crystals are utilized to tune the relative delay time. The use of a dispersion-compensation arrangement of the crystals allows the system to achieve subnanoradian pointing stability during a delay scan. It further minimizes wavefront distortion and preserves the pulse front and pulse duration. We analyze the performance of a prototype design that can cover a delay time range of 15 ps with a sub-20 fs time resolution at 10 keV. We anticipate that this system can fully satisfy the very demanding stability requirements for performing split-pulse x-ray photon correlation spectroscopy measurements for the investigation of fast atomic scale dynamics in complex disordered matter.

Authors:
 [1]; ORCiD logo [1];  [2];  [3];  [3]
  1. SLAC National Accelerator Lab., Menlo Park, CA (United States). Linac Coherent Light Source (LCLS); Stanford Univ., CA (United States). Dept. of Physics
  2. SLAC National Accelerator Lab., Menlo Park, CA (United States). Linac Coherent Light Source (LCLS); McGill Univ., Montreal, QC (Canada). Dept of Physics
  3. SLAC National Accelerator Lab., Menlo Park, CA (United States). Linac Coherent Light Source (LCLS)
Publication Date:
Research Org.:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1616757
Alternate Identifier(s):
OSTI ID: 1607799
Grant/Contract Number:  
AC02-76SF00515
Resource Type:
Accepted Manuscript
Journal Name:
Optics Letters
Additional Journal Information:
Journal Volume: 45; Journal Issue: 7; Journal ID: ISSN 0146-9592
Publisher:
Optical Society of America (OSA)
Country of Publication:
United States
Language:
English
Subject:
47 OTHER INSTRUMENTATION

Citation Formats

Li, Haoyuan, Sun, Yanwen, Sutton, Mark, Fuoss, Paul, and Zhu, Diling. Design of an amplitude-splitting hard x-ray delay line with subnanoradian stability. United States: N. p., 2020. Web. doi:10.1364/ol.389977.
Li, Haoyuan, Sun, Yanwen, Sutton, Mark, Fuoss, Paul, & Zhu, Diling. Design of an amplitude-splitting hard x-ray delay line with subnanoradian stability. United States. doi:https://doi.org/10.1364/ol.389977
Li, Haoyuan, Sun, Yanwen, Sutton, Mark, Fuoss, Paul, and Zhu, Diling. Tue . "Design of an amplitude-splitting hard x-ray delay line with subnanoradian stability". United States. doi:https://doi.org/10.1364/ol.389977. https://www.osti.gov/servlets/purl/1616757.
@article{osti_1616757,
title = {Design of an amplitude-splitting hard x-ray delay line with subnanoradian stability},
author = {Li, Haoyuan and Sun, Yanwen and Sutton, Mark and Fuoss, Paul and Zhu, Diling},
abstractNote = {We propose the design and analysis of a hard x-ray split-delay optical arrangement that combines diffractive and crystal optics. Transmission gratings are employed to achieve the much-desired amplitude splitting and recombination of the beam. Asymmetric channel-cut crystals are utilized to tune the relative delay time. The use of a dispersion-compensation arrangement of the crystals allows the system to achieve subnanoradian pointing stability during a delay scan. It further minimizes wavefront distortion and preserves the pulse front and pulse duration. We analyze the performance of a prototype design that can cover a delay time range of 15 ps with a sub-20 fs time resolution at 10 keV. We anticipate that this system can fully satisfy the very demanding stability requirements for performing split-pulse x-ray photon correlation spectroscopy measurements for the investigation of fast atomic scale dynamics in complex disordered matter.},
doi = {10.1364/ol.389977},
journal = {Optics Letters},
number = 7,
volume = 45,
place = {United States},
year = {2020},
month = {3}
}

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