Hollow-Core Photonic Band Gap Fibers for Particle Acceleration

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Description

Photonic band gap (PBG) dielectric fibers with hollow cores are being studied both theoretically and experimentally for use as laser driven accelerator structures. The hollow core functions as both a longitudinal waveguide for the transverse-magnetic (TM) accelerating fields and a channel for the charged particles. The dielectric surrounding the core is permeated by a periodic array of smaller holes to confine the mode, forming a photonic crystal fiber in which modes exist in frequency pass-bands, separated by band gaps. The hollow core acts as a defect which breaks the crystal symmetry, and so-called defect, or trapped modes having frequencies in ... continued below

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29 pages

Creation Information

Noble, Robert J.; Spencer, James E.; /SLAC; Kuhlmey, Boris T. & U., /Sydney August 19, 2011.

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Description

Photonic band gap (PBG) dielectric fibers with hollow cores are being studied both theoretically and experimentally for use as laser driven accelerator structures. The hollow core functions as both a longitudinal waveguide for the transverse-magnetic (TM) accelerating fields and a channel for the charged particles. The dielectric surrounding the core is permeated by a periodic array of smaller holes to confine the mode, forming a photonic crystal fiber in which modes exist in frequency pass-bands, separated by band gaps. The hollow core acts as a defect which breaks the crystal symmetry, and so-called defect, or trapped modes having frequencies in the band gap will only propagate near the defect. We describe the design of 2-D hollow-core PBG fibers to support TM defect modes with high longitudinal fields and high characteristic impedance. Using as-built dimensions of industrially-made fibers, we perform a simulation analysis of the first prototype PBG fibers specifically designed to support speed-of-light TM modes.

Physical Description

29 pages

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  • Journal Name: Submitted to Physical Review Special Topics - Accelerators and Beams

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  • Report No.: SLAC-PUB-14031
  • Grant Number: AC02-76SF00515
  • DOI: 10.1103/PhysRevSTAB.14.121303 | External Link
  • Office of Scientific & Technical Information Report Number: 1022492
  • Archival Resource Key: ark:/67531/metadc841806

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  • August 19, 2011

Added to The UNT Digital Library

  • May 19, 2016, 3:16 p.m.

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  • Nov. 29, 2016, 12:54 p.m.

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Noble, Robert J.; Spencer, James E.; /SLAC; Kuhlmey, Boris T. & U., /Sydney. Hollow-Core Photonic Band Gap Fibers for Particle Acceleration, article, August 19, 2011; United States. (digital.library.unt.edu/ark:/67531/metadc841806/: accessed August 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.