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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 52, Iss. 19 — Jul. 1, 2013
  • pp: 4462–4467

Fiber optic picosecond laser pulse transmission line for hydrogen ion beam longitudinal profile measurement

Chunning Huang, Yun Liu, and Alexander Aleksandrov  »View Author Affiliations

Applied Optics, Vol. 52, Issue 19, pp. 4462-4467 (2013)

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We present a fiber optic laser pulse transmission line for nonintrusive longitudinal profile measurement of the hydrogen ion (H) beam at the front-end of the Spallation Neutron Source accelerator. The 80.5 MHz, 2.5 ps, multikilowatt optical pulses are delivered to the accelerator beam line through a large-mode-area polarization-maintaining optical fiber to ensure high measurement stability. The transmission efficiency, output laser beam quality, pulse jitter, and pulse width broadening over a 30 m long fiber line are experimentally investigated. A successful measurement of the H beam microbunch (130ps) profile is obtained. The experiment is the first demonstration to our knowledge of particle beam profile diagnostics using a fiber optic laser pulse transmission line.

© 2013 Optical Society of America

OCIS Codes
(060.2310) Fiber optics and optical communications : Fiber optics
(120.4290) Instrumentation, measurement, and metrology : Nondestructive testing
(120.4640) Instrumentation, measurement, and metrology : Optical instruments
(320.5390) Ultrafast optics : Picosecond phenomena

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: February 26, 2013
Manuscript Accepted: May 18, 2013
Published: June 24, 2013

Chunning Huang, Yun Liu, and Alexander Aleksandrov, "Fiber optic picosecond laser pulse transmission line for hydrogen ion beam longitudinal profile measurement," Appl. Opt. 52, 4462-4467 (2013)

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