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Title: INTERFEROMETRIC OPTICAL SIGNATURE OF ELECTRON MICROBUNCHING IN LASER-DRIVEN PLASMA ACCELERATORS

Abstract

We report observations of coherent optical transition radiation interferometry (COTRI) patterns generated by microbunched ~200-MeV electrons as they emerge from a laser-plasma accelerator. The divergence of the microbunched portion of electrons, deduced by comparison to an analytical COTRI model, is ~6x smaller than the ~3 mrad ensemble beam divergence, while the radius of the microbunched beam, obtained from COTR images on the same shot, is < 3 microns. The combined results show that the microbunched distribution has estimated transverse normalized emittance ~0.5 mm mrad.

Authors:
 [1];  [2];  [3];  [2];  [2];  [4];  [2];  [5];  [5];  [5];  [4];  [6];  [2]
  1. Fermilab
  2. Texas U.
  3. Silver Spring
  4. Dresden, Tech. U.
  5. HZDR, Dresden
  6. Dresden Tech. U.
Publication Date:
Research Org.:
Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
OSTI Identifier:
1556949
Report Number(s):
FERMILAB-PUB-19-081-AD
1748259
DOE Contract Number:  
AC02-07CH11359
Resource Type:
Journal Article
Journal Name:
Phys.Rev.Lett
Additional Journal Information:
Journal Name: Phys.Rev.Lett
Country of Publication:
United States
Language:
English
Subject:
43 PARTICLE ACCELERATORS

Citation Formats

Lumpkin, A. H., LaBerge, M., Rule, D. W., Zgadzaj, R., Hannasch, A., Zarini, O., Bowers, B., Orman, A,, Couperus Cabadag, J. P., Debus, A., Kohler, A., Schramm, U., and Downer, M. C. INTERFEROMETRIC OPTICAL SIGNATURE OF ELECTRON MICROBUNCHING IN LASER-DRIVEN PLASMA ACCELERATORS. United States: N. p., 2019. Web.
Lumpkin, A. H., LaBerge, M., Rule, D. W., Zgadzaj, R., Hannasch, A., Zarini, O., Bowers, B., Orman, A,, Couperus Cabadag, J. P., Debus, A., Kohler, A., Schramm, U., & Downer, M. C. INTERFEROMETRIC OPTICAL SIGNATURE OF ELECTRON MICROBUNCHING IN LASER-DRIVEN PLASMA ACCELERATORS. United States.
Lumpkin, A. H., LaBerge, M., Rule, D. W., Zgadzaj, R., Hannasch, A., Zarini, O., Bowers, B., Orman, A,, Couperus Cabadag, J. P., Debus, A., Kohler, A., Schramm, U., and Downer, M. C. Thu . "INTERFEROMETRIC OPTICAL SIGNATURE OF ELECTRON MICROBUNCHING IN LASER-DRIVEN PLASMA ACCELERATORS". United States. https://www.osti.gov/servlets/purl/1556949.
@article{osti_1556949,
title = {INTERFEROMETRIC OPTICAL SIGNATURE OF ELECTRON MICROBUNCHING IN LASER-DRIVEN PLASMA ACCELERATORS},
author = {Lumpkin, A. H. and LaBerge, M. and Rule, D. W. and Zgadzaj, R. and Hannasch, A. and Zarini, O. and Bowers, B. and Orman, A, and Couperus Cabadag, J. P. and Debus, A. and Kohler, A. and Schramm, U. and Downer, M. C.},
abstractNote = {We report observations of coherent optical transition radiation interferometry (COTRI) patterns generated by microbunched ~200-MeV electrons as they emerge from a laser-plasma accelerator. The divergence of the microbunched portion of electrons, deduced by comparison to an analytical COTRI model, is ~6x smaller than the ~3 mrad ensemble beam divergence, while the radius of the microbunched beam, obtained from COTR images on the same shot, is < 3 microns. The combined results show that the microbunched distribution has estimated transverse normalized emittance ~0.5 mm mrad.},
doi = {},
journal = {Phys.Rev.Lett},
number = ,
volume = ,
place = {United States},
year = {2019},
month = {8}
}