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Title: Experiment and simulation of novel liquid crystal plasma mirrors for high contrast, intense laser pulses

Journal Article · · Scientific Reports
DOI:https://doi.org/10.1038/srep32041· OSTI ID:1349103
 [1];  [2];  [1];  [3];  [3];  [3];  [3];  [3];  [3];  [3];  [3];  [1];  [1]
  1. The Ohio State Univ., Columbus, OH (United States)
  2. Univ. Pierre et Marie Curie, Paris (France)
  3. STFC Rutherford Appleton Lab., Oxfordshire (United Kingdom)

We describe the first demonstration of plasma mirrors made using freely suspended, ultra-thin films formed dynamically and in-situ. We also present novel particle-in-cell simulations that for the first time incorporate multiphoton ionization and dielectric models that are necessary for describing plasma mirrors. Dielectric plasma mirrors are a crucial component for high intensity laser applications such as ion acceleration and solid target high harmonic generation because they greatly improve pulse contrast. We use the liquid crystal 8CB and introduce an innovative dynamic film formation device that can tune the film thickness so that it acts as its own antireflection coating. Films can be formed at a prolonged, high repetition rate without the need for subsequent realignment. High intensity reflectance above 75% and low-field reflectance below 0.2% are demonstrated, as well as initial ion acceleration experimental results that demonstrate increased ion energy and yield on shots cleaned with these plasma mirrors.

Research Organization:
The Ohio State Univ., Columbus, OH (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA)
Grant/Contract Number:
NA0003107; FC52-06NA26262
OSTI ID:
1349103
Alternate ID(s):
OSTI ID: 1361202
Journal Information:
Scientific Reports, Vol. 6, Issue 1; ISSN 2045-2322
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 21 works
Citation information provided by
Web of Science

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Cited By (7)

High-repetition-rate ( kHz) targets and optics from liquid microjets for high-intensity laser–plasma interactions journal January 2019
Modeling pulse-cleaning plasma mirrors from dielectric response to saturation: A particle-in-cell approach journal October 2019
Petawatt and exawatt class lasers worldwide text January 2019
Development of Focusing Plasma Mirrors for Ultraintense Laser-Driven Particle and Radiation Sources journal January 2018
Petawatt and exawatt class lasers worldwide journal January 2019
Petawatt and exawatt class lasers worldwide text January 2019
Compact Multistage Plasma-Based Accelerator Design for Correlated Energy Spread Compensation text January 2019