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Title: Enhanced energy gain in a dielectric laser accelerator using a tilted pulse front laser

Abstract

Using an 800 nm, 45 fs pulse-front-tilted laser we demonstrate a record 315 keV energy gain in a dual grating dielectric laser accelerator (DLA) and average accelerating gradients of 560 MV/m over 0.5 mm. These results open a new regime in DLA characterized by significant evolution of the beam distribution in the longitudinal phase space, corresponding to > 1/4 of a synchrotron oscillation. Furthermore, by tilting the laser wavefront we control the resonant velocity of the DLA and observe a net energy gain, indicating that a tapered optical phase could be used to achieve very high energy gain.

Authors:
ORCiD logo [1];  [2];  [1]; ORCiD logo [3]; ORCiD logo [4];  [3];  [1]
  1. UCLA, Los Angeles, CA (United States)
  2. UCLA, Los Angeles, CA (United States); Cornell Univ., Ithaca, NY (United States)
  3. SLAC National Accelerator Lab., Menlo Park, CA (United States)
  4. Stanford Univ., Stanford, CA (United States)
Publication Date:
Research Org.:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1479140
Alternate Identifier(s):
OSTI ID: 1490631
Grant/Contract Number:  
GBMF4744; PHY-1535711; PHY-1734215; AC02-76SF00515; SC0009914
Resource Type:
Journal Article: Published Article
Journal Name:
Optics Express
Additional Journal Information:
Journal Volume: 26; Journal Issue: 22; Journal ID: ISSN 1094-4087
Publisher:
Optical Society of America (OSA)
Country of Publication:
United States
Language:
English
Subject:
43 PARTICLE ACCELERATORS

Citation Formats

Cesar, D., Maxson, J., Shen, X., Wootton, K. P., Tan, S., England, R. J., and Musumeci, P. Enhanced energy gain in a dielectric laser accelerator using a tilted pulse front laser. United States: N. p., 2018. Web. doi:10.1364/oe.26.029216.
Cesar, D., Maxson, J., Shen, X., Wootton, K. P., Tan, S., England, R. J., & Musumeci, P. Enhanced energy gain in a dielectric laser accelerator using a tilted pulse front laser. United States. doi:10.1364/oe.26.029216.
Cesar, D., Maxson, J., Shen, X., Wootton, K. P., Tan, S., England, R. J., and Musumeci, P. Thu . "Enhanced energy gain in a dielectric laser accelerator using a tilted pulse front laser". United States. doi:10.1364/oe.26.029216.
@article{osti_1479140,
title = {Enhanced energy gain in a dielectric laser accelerator using a tilted pulse front laser},
author = {Cesar, D. and Maxson, J. and Shen, X. and Wootton, K. P. and Tan, S. and England, R. J. and Musumeci, P.},
abstractNote = {Using an 800 nm, 45 fs pulse-front-tilted laser we demonstrate a record 315 keV energy gain in a dual grating dielectric laser accelerator (DLA) and average accelerating gradients of 560 MV/m over 0.5 mm. These results open a new regime in DLA characterized by significant evolution of the beam distribution in the longitudinal phase space, corresponding to > 1/4 of a synchrotron oscillation. Furthermore, by tilting the laser wavefront we control the resonant velocity of the DLA and observe a net energy gain, indicating that a tapered optical phase could be used to achieve very high energy gain.},
doi = {10.1364/oe.26.029216},
journal = {Optics Express},
issn = {1094-4087},
number = 22,
volume = 26,
place = {United States},
year = {2018},
month = {10}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record at 10.1364/oe.26.029216

Citation Metrics:
Cited by: 5 works
Citation information provided by
Web of Science

Figures / Tables:

FIG. 1 FIG. 1: Schematic of DLA orientation illuminated by PFT laser, with field amplitude E0 and central wave number k0, incident in the y-z plane at angle θy. The PFT angle θpft is group-velocity matched to an electron traveling in the z-direction.

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Figures/Tables have been extracted from DOE-funded journal article accepted manuscripts.