Broadening Adjustable Range on Post-Fabrication Resonance Wavelength Trimming of Long-Period Fiber Gratings and the Mechanisms of Resonance Wavelength Shifts

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概要

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• The adjustable range on post-fabrication resonance wavelength trimming of long-period fiber gratings was broadened toward the blue side, and the mechanisms of the resonance wavelength shifts caused by heating were investigated. It can be concluded that the glass structure relaxes more slowly than the residual stress with decreasing heating temperature and the blue shift caused by the residual stress relaxation appears more strongly at the early stage of heating. The blue shift of 41nm was obtained by heating a long-period grating at 600°C for 3500 minutes. The changes of the index difference inducing the wavelength shifts of -41nm and 35nm were estimated at about -1.2 × 10-4 and +1.0 × 10-4 by numerical analysis, respectively.

• 2011-04-01

著者

• Morishita Katsumi

  Osaka Electro-communication University

• Abrishamian Fatemeh

  Osaka Electro-communication University

関連論文

• Influence of Residual Stress on Post-Fabrication Resonance Wavelength Trimming of Long-Period Fiber Gratings by Heating(Optoelectronics)
• Effects of the Loop Birefringence on Fiber Loop Polarizers Using a Fused Taper Coupler
• Broadening Adjustable Range on Post-Fabrication Resonance Wavelength Trimming of Long-Period Fiber Gratings and the Mechanisms of Resonance Wavelength Shifts
• Broadband Fibre Loop Reflectors (Special Issue on the 1992 Symposium on Electromagnetic Theory)
• Spectra and Phases of Supercontinuum Pulses Generated in Tapered Fiber and Photonic-Crystal-Fiber with Low Dispersion

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