Moreover, we deduce the linear relationship between reflected wavelength shift of fiber grating and vertical displacement of cantilever beam which the fiber grating is sticked on.
并根据材料力学原理推导了光纤光栅波长漂移量与侧向位移的线性调谐关系。
Arrayed waveguide grating (AWG) is of great importance to the future dense wavelength division multiplexing (DWDM) all optical network (AON).
阵列波导光栅型波分复用器对于实现未来密集波分复用全光网具有重要的意义。
It is noteworthy that the wavelength of the fiber Bragg grating would be tuned via only a phase mask in a phase mask interferometer.
值得注意的是在相位干涉法中，只用一块相位模板，就可以调整写入光纤布拉格光栅的波长。
First, the properties of volume holographic grating, such as diffraction efficiencies, Angle and wavelength selectivity, have been theoretically analyzed by using the couple-wave theory.
首先应用耦合波理论对体全息光栅的衍射效率以及角度选择性和波长选择性等衍射特性进行了分析。
Detection of wavelength shift is the key technique in the application of fiber grating sensing network.
波长漂移量的检测是实现光纤光栅传感网络的关键技术。
Wavelength-shift detection is the key technology of fiber Bragg grating sensor.
光纤光栅波长移位检测技术是光纤光栅传感器的关键技术之一。
The relationships between the number of diffraction order and grating pitch, refractive index of medium, light wavelength, incidence Angle and azimuth Angle are investigated.
讨论了入射角、入射方位角、入射光波长、光栅栅距、介质折射率与矩形光栅衍射级次数目间的关系。
The demodulation of wavelength shift is the key technology in the application of fiber grating sensors.
光纤光栅波长位移的解调是实现传感系统的关键技术。
The basic principles of multi-parameter tunable optical fiber grating wavelength tuner based on stress, displacement, space angle are analyzed and relative experimental researches are performed.
在模拟分析的基础上，设计了一种基于应力、位移、空间角度的多参数可调谐的光纤光栅波长调谐器，并进行了实验验证。
Theoretical analysis shows that the number of working wavelength will increase with the increment of the harmonic number of the harmonic blazed grating.
理论分析表明，谐闪耀光栅谐振波长数目随谐波数增加而增加，因此可用于多波长斜光束的高效耦合；
We introduce the present research status and related issues in measuring Bragg wavelength in fiber grating sensors and point out its development prospect.
介绍了光纤光栅传感器中测量布拉格波长移动量的几种方法的研究现状和存在问题，并指出其未来发展前景。
By using the wavelength encoding characteristic of fiber Bragg grating (FBG), a new kind of distributed FBG pressure sensor was introduced to achieve the train real time tracing.
介绍了利用光纤光栅(FBG)波长编码的特点，采用新型分布式FBG传感实现高速列车实时追踪。
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.
对长周期光纤光栅传输谱谐振波长的应变特性用耦合模理论进行研究，推导出谐振波长应变灵敏度的解析表达式。
The suitable ranges of incident angle and wavelength in which the grating can work effectively are given.
给出了光栅的抗反射特性所适用的入射角度及波长范围。
The techniques for multiplexed fiber grating sensors, espacial detection of multiple wavelength shift are discussed.
评述了复用光纤光栅传感器的有关技术，着重讨论了多波长移动探测解调技术。
The wavelength tuning of fiber grating have an important significance and an applied value in the fields of the fiber communication and the fiber sensing.
光纤光栅波长调谐在光纤通信和光纤传感领域中具有重要意义和实用价值。
A scheme of measuring fiber grating reflective wavelength by tunable Fabry perot cavity, which contains a PZT, is proposed. It can transform the wavelength into electrical signals directly.
提出了一种利用压电陶瓷构成的可调谐法布里-珀罗腔测量光纤光栅反射波长的方案，该方案可以直接将波长转换为电信号。
A novel wavelength detection scheme is developed with the technique of dynamic filtering in scanning mode and of synchronous process in time domain, which is based on a tunable fiber grating.
基于光纤光栅调谐技术，提出了动态滤波扫描、时域同步处理的新型波长检测方案。
The needed frequency of the blazed grating is in inverse ratio of the incident wavelength. The longer the wavelength, the lower the grating frequency is.
放大所需闪耀光栅的频率与入射单色波长成反比，波长越长，所需光栅频率越低。
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。
Widely wavelength tunable outputs have been obtained by using temperature tuning, angle tuning and grating period tuning.
采用温度、角度和周期调谐就能获得宽的波长调谐输出。
A novel dual-wavelength fiber Bragg grating (FBG) fabricated by using photosensitivity is experimentally demonstrated.
提出了一种基于光纤光敏性制作双波长布喇格光栅的新方法。
As a sensor element, fiber optic and grating transformed the information into reflecting wavelength shift. It also named wavelength demodulation which is immune for light power waving and system loss.
作为传感元件，光纤光栅将被测的信息转化为其反射波长的移动，即波长解调，因此不受到光功率波动和系统损耗的影响。
The grating can filter signal and permit light with certain wavelength to pass through, and the signal will be reflected which can't go.
光栅对光信号有一定的过滤作用，只允许一定波长的光通过，不能通过的光波将被反射回来。
After frequency selecting when white light walks through the F-P sensor which cavity modulated by temperature, wavelength demodulating is realized with a plane grating and CCD.
采用铜管和端面镀膜的光纤制作f - P传感器，白光光源经过腔长受温度调制的F - P传感器选频后，用平面光栅和线阵CCD实现光波波长的解调。
That transmission rate and the FWHM of the fiber grating FP are very sensitivity for radial strain. But the central wavelength, mode number of the fiber grating FP are insensitivity for radial strain.
发现光纤光栅F P干涉仪的透射率和光谱半宽度对轴向应变十分敏感，而F P腔的中心波长和工作模式却变化较小。
Many kinds of fiber grating-pair referencing methods for measuring fiber grating Bragg wavelength shifts are introduced in the paper, and including their respective advantages and shortcomings.
本文介绍了几种测量光纤光栅波长的方案及其工作原理，对各自优缺点做了介绍。
The property of peak wavelength of slanted reflection hologram grating was discussed.
讨论了倾斜条纹反射全息光栅的波长特性。
The property of peak wavelength of slanted reflection hologram grating was discussed.
讨论了倾斜条纹反射全息光栅的波长特性。
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