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Title: Spatial control of photoemitted electron beams using a microlens-array transverse-shaping technique

Abstract

A transversely inhomogeneous laser distribution on the photocathode surface generally produces electron beams with degraded beam quality. In this paper, we explore the use of microlens arrays to dramatically improve the transverse uniformity of an ultraviolet drive-laser pulse used in a photoinjector. Here, we also demonstrate a capability of microlens arrays to generate transversely modulated electron beams and present an application of such a feature to diagnose the properties of a magnetized beam.

Authors:
; ; ; ; ; ;
Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States); Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP)
OSTI Identifier:
1405046
Alternate Identifier(s):
OSTI ID: 1402477
Report Number(s):
FERMILAB-PUB-17-420-APC; arXiv:1707.08448
Journal ID: ISSN 2469-9888; PRABCJ; 103404
Grant/Contract Number:  
SC0011831; AC02-06CH11357; AC02-07CH11359
Resource Type:
Published Article
Journal Name:
Physical Review Accelerators and Beams
Additional Journal Information:
Journal Name: Physical Review Accelerators and Beams Journal Volume: 20 Journal Issue: 10; Journal ID: ISSN 2469-9888
Publisher:
American Physical Society
Country of Publication:
United States
Language:
English
Subject:
43 PARTICLE ACCELERATORS

Citation Formats

Halavanau, A., Qiang, G., Ha, G., Wisniewski, E., Piot, P., Power, J. G., and Gai, W. Spatial control of photoemitted electron beams using a microlens-array transverse-shaping technique. United States: N. p., 2017. Web. doi:10.1103/PhysRevAccelBeams.20.103404.
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Halavanau, A., Qiang, G., Ha, G., Wisniewski, E., Piot, P., Power, J. G., & Gai, W. Spatial control of photoemitted electron beams using a microlens-array transverse-shaping technique. United States. https://doi.org/10.1103/PhysRevAccelBeams.20.103404
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Halavanau, A., Qiang, G., Ha, G., Wisniewski, E., Piot, P., Power, J. G., and Gai, W. Thu . "Spatial control of photoemitted electron beams using a microlens-array transverse-shaping technique". United States. https://doi.org/10.1103/PhysRevAccelBeams.20.103404.
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@article{osti_1405046,
title = {Spatial control of photoemitted electron beams using a microlens-array transverse-shaping technique},
author = {Halavanau, A. and Qiang, G. and Ha, G. and Wisniewski, E. and Piot, P. and Power, J. G. and Gai, W.},
abstractNote = {A transversely inhomogeneous laser distribution on the photocathode surface generally produces electron beams with degraded beam quality. In this paper, we explore the use of microlens arrays to dramatically improve the transverse uniformity of an ultraviolet drive-laser pulse used in a photoinjector. Here, we also demonstrate a capability of microlens arrays to generate transversely modulated electron beams and present an application of such a feature to diagnose the properties of a magnetized beam.},
doi = {10.1103/PhysRevAccelBeams.20.103404},
journal = {Physical Review Accelerators and Beams},
number = 10,
volume = 20,
place = {United States},
year = {Thu Oct 26 00:00:00 EDT 2017},
month = {Thu Oct 26 00:00:00 EDT 2017}
}
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Journal Article:
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Publisher's Version of Record
https://doi.org/10.1103/PhysRevAccelBeams.20.103404
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Cited by: 12 works
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Works referenced in this record:

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    Works referencing / citing this record:

    Demonstration of transport of a patterned electron beam produced by diamond pyramid cathode in an rf gun
    journal, January 2020

    • Nichols, K. E.; Andrews, H. L.; Kim, D.
    • Applied Physics Letters, Vol. 116, Issue 2
    • DOI: 10.1063/1.5128109
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