介绍了长周期光纤光栅制作技术上的进展。
The progress in fabrication method of long period fiber grating (LPFG) is introduced.
分析研究了长周期光纤光栅轴向的模场变化。
The axial distribution for mode fields of the LPFG is analyzed and researched.
介绍了长周期光纤光栅的耦合机理、制备方法以及应用。
The paper presents its mode coupling mechanism, the fabrication methods as well as its applications.
分别采用丙烯酸类聚合物与硅树脂材料实现了长周期光纤光栅（LPFG）的大范围波长调谐与温度补偿。
Both acrylate-based polymer and silicone resin were proposed as recoating materials for broadband wavelength tuning and temperature compensation of LPFG.
分析了长周期光纤光栅(LPG)的啁啾特性和切趾特性，给出了基于LPG的增益平坦滤波器可调的理论依据。
The chirp and apodization characteristics of long-period grating (LPG) are analyzed, and the theoretic foundation of adjustable gain flattening filter based on LPG is provided.
并通过与其他方案对比，说明了基于长周期光纤光栅器件的优点，肯定了长周期光纤光栅在通信传感领域的价值。
In comparison with other schemes, advantages of the LPFG based devices and an important role of the LPFG in communication and sensing technology are demonstrated in detail.
长周期光纤光栅是特定波长范围内的线性滤波器件，该文设计了长周期光纤光栅解调的布拉格光纤光栅温度传感系统。
Long period fiber grating (LPG) is designed as the filter component of edge linear filtering demodulation system for fiber Bragg grating (FBG) temperature sensor.
介绍了应用于掺铒光纤光源的几种滤波器的研究状况，阐述了它们的优缺点，简述了长周期光纤光栅滤波器的设计过程。
Several kinds of filters used in EDSFS are presented. Their advantages and disadvantages are introduced, the fabrication of long-period fiber grating filters are proposed briefly.
从理论和实验上研究了长周期光纤光栅用于掺铒光纤放大器自发发射谱增益平坦展宽的特性、自增益谱的荧光峰和可用带宽。
In this paper, the properties of ASE gain flattened of EDFA are studied based on energy level and particle number shifting of EDFA both theoretically and experimentally.
本文主要研究了聚合物长周期光纤光栅的传感特性及掺偶氮聚合物长周期光纤光栅的制作。
In this paper, we presented a research of the sensing characteristics of polymer Long period grating and its inscribing.
研究了高频CO2激光脉冲写入的长周期光纤光栅在扭曲状态下的横向负载特性。
The transverse load characteristics of twisted long-period fiber grating (LPFG) written by high-frequency CO2 laser pulses was demonstrated.
利用长周期光栅的边缘滤波解调技术，我们报道了一种光纤布喇格光栅位移传感方法。
An edge filter demodulation of fiber Bragg grating (FBG) displacement measuring scheme using long period grating (LPG) is reported and demonstrated.
分析了单侧CO2激光脉冲曝光导致长周期光纤光栅横截面折射率分布的不均匀性。
The CO2 laser incident on the fiber result in an asymmetric refractive-index distribution within the cross-section of the LPFG.
首次发现了在双折射光纤中写入的长周期光纤光栅存在对偏振不敏感的谐振峰。
A polarization insensitive LPFG operating at a specific wavelength is achieved by writing the LPFG in a birefringence fiber, for the first time.
设计了一种基于长周期光纤光栅的电压传感系统。
A kind of fiber voltage sensing system based on long period fiber grating is designed.
实验研究了该型长周期光纤光栅的压力和温度特性；结合光纤的弹光效应、热光效应和耦合模理论分析了实验结果。
The qualitative analysis of the related experimental results was carried out combining with photo-elastic effect, photo-thermal effect and coupled mode theory.
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。
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.
介绍了利用飞秒激光器刻写长周期光纤光栅的基本方法。
The main mechanisms of femtosecond laser inscription LPFG are discussed.
介绍了利用飞秒激光器刻写长周期光纤光栅的基本方法。
The main mechanisms of femtosecond laser inscription LPFG are discussed.
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