Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/34340
Title: Mode field profile and polarization dependence of long period fiber gratings written by CO2 laser
Authors: Wang, Y
Wang, DN 
Jin, W 
Ho, HL
Ju, H
Keywords: Asymmetry
CO2 laser
Fiber Bragg gratings
Long period fiber gratings
Mode field
Optical fiber sensors
Polarization dependent loss
Issue Date: 2008
Publisher: North-Holland
Source: Optics communications, 2008, v. 281, no. 9, p. 2522-2525 How to cite?
Journal: Optics communications 
Abstract: Mode field profiles and polarization dependence in the CO2-laser-notched long period fiber gratings (LPFGs) were investigated in detail. Asymmetric field profile was demonstrated in the 2- and 3-dimensional far field patterns of the CO2-laser-notched LPFG, which experimentally verifies the previously-presented asymmetry of refractive index modulation within the cross section of the gratings. Polarization dependent loss (PDL) of the LPFG was measured via Mueller matrix method. The maximum PDL of 1.68 dB and the maximum polarization extinction ratio of 1.07 dB are observed in the LPFG.
URI: http://hdl.handle.net/10397/34340
ISSN: 0030-4018
EISSN: 1873-0310
DOI: 10.1016/j.optcom.2008.01.021
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