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Title: Local terahertz field enhancement for time-resolved x-ray diffraction

We report local field strength enhancement of single-cycle terahertz (THz) pulses in an ultrafast time-resolved x-ray diffraction experiment. We show that patterning the sample with gold microstructures increases the THz field without changing the THz pulse shape or drastically affecting the quality of the x-ray diffraction pattern. Lastly, we find a five-fold increase in THz-induced x-ray diffraction intensity change in the presence of microstructures on a SrTiO 3 thin-film sample.
Authors:
 [1] ; ORCiD logo [2] ;  [3] ;  [1] ;  [1] ; ORCiD logo [3] ;  [4] ; ORCiD logo [4] ;  [1] ; ORCiD logo [5] ;  [4] ; ORCiD logo [1]
  1. SLAC National Accelerator Lab., Menlo Park, CA (United States)
  2. CIC nanoGUNE, Donostia-San Sebastian (Spain); Stockholm Univ., Stockholm (Sweden)
  3. Univ. of Fribourg, Fribourg (Switzerland)
  4. Paul Scherrer Inst. (PSI), Villigen (Switzerland)
  5. Stockholm Univ., Stockholm (Sweden)
Publication Date:
Report Number(s):
SLAC-PUB-16919
Journal ID: ISSN 0003-6951
Grant/Contract Number:
AC02-76SF00515
Type:
Accepted Manuscript
Journal Name:
Applied Physics Letters
Additional Journal Information:
Journal Volume: 110; Journal Issue: 8; Journal ID: ISSN 0003-6951
Publisher:
American Institute of Physics (AIP)
Research Org:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Org:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; INST; OPTICS; XFEL
OSTI Identifier:
1348149
Alternate Identifier(s):
OSTI ID: 1349364