Brillouin frequency shifts in silica optical fiber with the double cladding structure | Zendy

Jae Su Yu | Zendy; Y. Park | Zendy; Kyunghwan Oh | Zendy; Ickjin Kwon | Zendy

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Brillouin frequency shifts in silica optical fiber with the double cladding structure

Author(s) -

Jae Su Yu,

Y. Park,

Kyunghwan Oh,

Ickjin Kwon

Publication year - 2002

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.10.000996

Subject(s) - cladding (metalworking) , materials science , brillouin zone , optics , brillouin scattering , double clad fiber , optical fiber , hard clad silica optical fiber , all silica fiber , dispersion shifted fiber , fiber optic sensor , composite material , physics

We report theoretical and experimental analysis on Brillouin frequency shift in silica optical fibers with the double cladding structures that are comprised of GeO2-doped core, P2O5- and F-codoped inner cladding and silica outer cladding. The intrinsic Brillouin frequency shift was calculated for various fiber parameters utilizing boundary conditions for longitudinal acoustic waves. Optical fibers with different fiber parameters were fabricated and the Brillouin frequency shifts were measured in the wavelength region of 1.55m. We confirmed that the inner cladding in an optical fiber could provide a new degree of freedom in controlling the Brillouin frequency shift.

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