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Title: Ultrafast x-ray diffraction of laser-irradiated crystals

Abstract

An apparatus has been developed for measuring time-dependent x-ray diffraction. X-ray pulses from an Advanced Light Source bend magnet are diffracted by a sagittally-focusing Si (111) crystal and then by a sample crystal, presently InSb (111). Laser pulses with 100 fs duration and a repetition rate of 1 KHz irradiate the sample inducing a phase transition. Two types of detectors are being employed: an x-ray streak camera and an avalanche photodiode. The streak camera is driven by a photoconductive switch and has a 2 ps temporal resolution determined by trigger jitter. The avalanche photodiode has high quantum efficiency and sufficient time resolution to detect single x-ray pulses in ALS two bunch or 'camshaft' operation. A beamline is under construction dedicated for time resolved and micro-diffraction experiments. In the new beamline a toroidal mirror collects 3 mrad horizontally and makes a 1:1 image of the bend magnet source in the x-ray hutch. A laser induced phase transition has been observed in InSb occurring within 70 ps.

Authors:
;  [1]; ; ; ; ;  [2]; ; ; ;  [3];  [4];  [5]
  1. Advanced Light Source, Accelerator and Fusion Research Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720 (United States)
  2. Physics Department, University of California, Berkeley, California 94720 (United States)
  3. Center for Ultrafast Optical Science, University of Michigan, Ann Arbor, Michigan 48109 (United States)
  4. Lawrence Livermore National Laboratory, Livermore, California 94551 (United States)
  5. Department of Physics, Clarendon Laboratory, University of Oxford, Oxford OX1 3PU (United Kingdom)
Publication Date:
OSTI Identifier:
21179520
Resource Type:
Journal Article
Journal Name:
AIP Conference Proceedings
Additional Journal Information:
Journal Volume: 417; Journal Issue: 1; Conference: 10. United States national conference on synchrotron radiation instrumentation, Ithaca, NY (United States), 17-20 Jun 1997; Other Information: DOI: 10.1063/1.54601; (c) 1997 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 0094-243X
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; 36 MATERIALS SCIENCE; ADVANCED LIGHT SOURCE; BEAM EXTRACTION; CRYSTAL STRUCTURE; CRYSTALS; INDIUM ANTIMONIDES; KHZ RANGE; LASER MATERIALS; PHASE TRANSFORMATIONS; PHOTODETECTORS; QUANTUM EFFICIENCY; SILICON; STREAK CAMERAS; TIME DEPENDENCE; TIME RESOLUTION; X-RAY DETECTION; X-RAY DIFFRACTION

Citation Formats

Heimann, P A, Padmore, H A, Larsson, J, Lindenberg, A, Schuck, P J, Judd, E, Falcone, R W, Chang, Z, Bucksbaum, P H, Murnane, M, Kapteyn, H, Lee, R W, and Wark, J S. Ultrafast x-ray diffraction of laser-irradiated crystals. United States: N. p., 1997. Web. doi:10.1063/1.54601.
Heimann, P A, Padmore, H A, Larsson, J, Lindenberg, A, Schuck, P J, Judd, E, Falcone, R W, Chang, Z, Bucksbaum, P H, Murnane, M, Kapteyn, H, Lee, R W, & Wark, J S. Ultrafast x-ray diffraction of laser-irradiated crystals. United States. https://doi.org/10.1063/1.54601
Heimann, P A, Padmore, H A, Larsson, J, Lindenberg, A, Schuck, P J, Judd, E, Falcone, R W, Chang, Z, Bucksbaum, P H, Murnane, M, Kapteyn, H, Lee, R W, and Wark, J S. 1997. "Ultrafast x-ray diffraction of laser-irradiated crystals". United States. https://doi.org/10.1063/1.54601.
@article{osti_21179520,
title = {Ultrafast x-ray diffraction of laser-irradiated crystals},
author = {Heimann, P A and Padmore, H A and Larsson, J and Lindenberg, A and Schuck, P J and Judd, E and Falcone, R W and Chang, Z and Bucksbaum, P H and Murnane, M and Kapteyn, H and Lee, R W and Wark, J S},
abstractNote = {An apparatus has been developed for measuring time-dependent x-ray diffraction. X-ray pulses from an Advanced Light Source bend magnet are diffracted by a sagittally-focusing Si (111) crystal and then by a sample crystal, presently InSb (111). Laser pulses with 100 fs duration and a repetition rate of 1 KHz irradiate the sample inducing a phase transition. Two types of detectors are being employed: an x-ray streak camera and an avalanche photodiode. The streak camera is driven by a photoconductive switch and has a 2 ps temporal resolution determined by trigger jitter. The avalanche photodiode has high quantum efficiency and sufficient time resolution to detect single x-ray pulses in ALS two bunch or 'camshaft' operation. A beamline is under construction dedicated for time resolved and micro-diffraction experiments. In the new beamline a toroidal mirror collects 3 mrad horizontally and makes a 1:1 image of the bend magnet source in the x-ray hutch. A laser induced phase transition has been observed in InSb occurring within 70 ps.},
doi = {10.1063/1.54601},
url = {https://www.osti.gov/biblio/21179520}, journal = {AIP Conference Proceedings},
issn = {0094-243X},
number = 1,
volume = 417,
place = {United States},
year = {1997},
month = {7}
}