A transmit matrix method to analyze the characters of irregular refractive index grating are provided.
介绍了一种可以分析任意折射率分布的光纤光栅的传输矩阵方法。
When irradiated by two-beams, the sample can set up refractive index grating, and the optical holographic storage was achieved.
而且样品在双相干光束作用下，可建立光折射率光栅，并实现了光全息存储。
The real-time storage is obtained in the organic dye BDN solution in toluene by doublet degenerate four wave mixing induced thermal refractive index grating.
本文利用二重简并四波混频感生折射率光栅，实现了光信息在有机染料BDN溶液中的实时存储。
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。
According to the refractive index ellipsoid of uniaxial crystal, the relationship between diffraction efficiency of volume grating and polarization state of readout beam is theoretically analyzed.
根据单轴晶体的折射率椭球，从理论上分析了光折变体光栅的衍射效率与读出光偏振态的关系。
For these reasons we proposed methods and scheme for measuring film refractive index with grating diffraction interferometry.
由此提出采用光栅衍射干涉测量薄膜折射率的方法和实验方案。
The spectrum of fiber Bragg grating(FBG) in inhomogeneous strain fields is distorted due to its inhomogeneity of both the periods and the effective refractive index.
当非均匀应变场作用在光纤布拉格光栅（FBG）上时，由于FBG周期和有效折射率在沿FBG长度方向都为变量，所以会导致光谱形状的变化。
A new refractive index sensing scheme based on the cladding modes of fiber Bragg grating (FBG) is presented.
提出了基于光纤布拉格光栅(FBG)包层模式的折射率传感方案。
Based on the grating diffraction theory, the duty cycle and refractive index change of the periodically poled microstructure (PPMS) crystal are studied theoretically by light diffraction efficiency.
以光栅衍射理论为基础，从理论上分析研究了微结构晶体衍射效率与占空比和折射率的关系。
In this paper, the author describes the experimental installation and the principle of using diffraction grating to determine the refractive index of solid and liquid.
本文叙述了利用光栅衍射法来测定液体和固体折射率的实验装置及原理。
The effects of the thickness of metallic film and grating period on the refractive index sensitivity of the device are analyzed in detail.
分析了金属膜的厚度和光栅周期对器件的折射率灵敏度的影响。
As the refractive index of the overlay is higher than that of the cladding, the Long Period fiber Grating (LPG) element exhibits high sensitivity.
对于涂覆长周期光纤光栅(LPG)传感元件，涂覆层折射率大于包层折射率时将具有很高的灵敏度。
As the refractive index of the overlay is higher than that of the cladding, the Long Period fiber Grating (LPG) element exhibits high sensitivity.
对于涂覆长周期光纤光栅(LPG)传感元件，涂覆层折射率大于包层折射率时将具有很高的灵敏度。
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