Through the curve of resonant wavelength versus period, we present a new method to analyze the shift of resonant wavelength of LPFG during UV laser writing without solving the coupled-mode equations.
A method to analyze the resonant wavelength and damping decrement of the transmission spectrum of long period fiber grating (LPFG) with bending curvature was reported.
报道了一种分析长周期光纤光栅(LPFG)透射谱谐振波长和衰减率随弯曲曲率变化的方法。
Quantitative analysis shows that the temperature and strain sensitivities or shift direction of resonant wavelength for such a LPFG are dependent on fiber types and coupling mode orders.
定量分析表明谐振波长的温度和轴向应变灵敏度及其变化方向与光纤类型、模式耦合的阶次等因素有关。
The resonant wavelength has a blue-shift when the length of the antenna is decreased.
天线臂长的减小,使得共振波长蓝移。
The strain sensitivity characteristic of long-period fibre grating (LPFG) was studied by coupled-mode theory and the strain sensitivity analytic equation of the resonant wavelength was deduced.
Experimental study on the relationship between film thickness and resonant wavelength based on the optical fiber SPW sensor.
光纤表面等离子体波传感器中膜厚与共振波长关系的实验研究。
Quantitative analysis shows that the temperature and strain sensitivities or shift direction of resonant wavelength for LPFG are dependent on fiber types and coupling mode orders.
定量分析表明谐振波长的温度和轴向应变灵敏度及其变化方向与光纤类型、模式耦合的阶次等因素有关。
The relationship between the resonant wavelength shift of the novel LPFGs and the applied temperature is linear.
长周期光纤光栅的谐振峰中心波长随温度的变化呈线性关系。
Relationship modal of resonant wavelength shift and external magnetic field intensity is concluded.