Title: A terahertz pump mega-electron-volt ultrafast electron diffraction probe apparatus at the SLAC Accelerator Structure Test Area facility

Journal Article · · Journal of Instrumentation
 [1];  [2];  [2];  [2];  [2];  [2];  [3];  [4];  [2];  [2];  [2];  [2];  [2];  [4];  [5];  [2];  [2]
  1. SLAC National Accelerator Lab., Menlo Park, CA (United States); Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States). Dept. of Chemistry
  2. SLAC National Accelerator Lab., Menlo Park, CA (United States)
  3. SLAC National Accelerator Lab., Menlo Park, CA (United States). Stanford Institute for Materials and Energy Science (SIMES); Stanford Univ., CA (United States). Dept. of Materials Science and Engineering
  4. SLAC National Accelerator Lab., Menlo Park, CA (United States); SLAC National Accelerator Lab., Menlo Park, CA (United States). Stanford Institute for Materials and Energy Science (SIMES)
  5. SLAC National Accelerator Lab., Menlo Park, CA (United States); SLAC National Accelerator Lab., Menlo Park, CA (United States). Stanford Institute for Materials and Energy Science (SIMES); SLAC National Accelerator Lab., Menlo Park, CA (United States). Photon Ultrafast Laser Science and Engineering Inst. (PULSE)
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Here, we describe a new experimental setup capable of measuring structural dynamics following intense terahertz excitation. This system, developed at the SLAC Accelerator Structure Test Area facility, uses a high-energy ultrafast laser to produce intense terahertz pulses and femtosecond electron bunches that are accelerated to mega-electron-volt kinetic energies. The focused terahertz pulses have electric fields in excess of 600 kV/cm, and the resulting structural dynamics can be followed by electron diffraction. We also present some examples demonstrating its implementation where interactions between the THz pulses and the electron bunch are used to characterize the spatial and temporal characteristics of the THz field.

Research Organization:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22); USDOE Office of Science (SC), Fusion Energy Sciences (FES) (SC-24)
Grant/Contract Number:
AC02-76SF00515
OSTI ID:
1461477
Journal Information:
Journal of Instrumentation, Journal Name: Journal of Instrumentation Journal Issue: 06 Vol. 13; ISSN 1748-0221
Publisher:
Institute of Physics (IOP)Copyright Statement
Country of Publication:
United States
Language:
English

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Cited By (6)

An ultrafast symmetry switch in a Weyl semimetal journal January 2019
Terahertz-based subfemtosecond metrology of relativistic electron beams journal January 2019
Dynamical Slowing-Down in an Ultrafast Photoinduced Phase Transition journal August 2019
Femtosecond Compression Dynamics and Timing Jitter Suppression in a THz-driven Electron Bunch Compressor journal February 2020
Dynamical slowing down in an ultrafast photo-induced phase transition text January 2019
Femtosecond compression dynamics and timing jitter suppression in a terahertz-driven electron bunch compressor text January 2019

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