With the increase of the periods and the absolute value of refractive index difference, the full width at half maximum of spectrum decreases.
介质折射率差的绝对值越大、周期数增加都使透射波谱宽度变窄。
In this article, the influences of the mode field diameter, the cutoff wavelength and the relative refractive index difference on the OTDR curve are also verified.
文中还验证了单模光纤的模场直径、截止波长、相对折射率差对OTDR曲线的影响。
If the refractive index is larger, the translocation difference of the measurement volume is larger.
管壁材料的折射率越大，测量体的位置与管壁厚趋时位移差也越大。
Transmission characteristics of light beam in different media are distinctive. Difference of refractive index of air and seawater is a determination factor that affects laser transmission.
光在不同介质中的传播特性不同，大气和海水折射率的差别是影响激光传输的决定性因素。
Refractive index field of atmosphere distributes homogeneously due to the difference of pressure, temperature, relative humidity and carbon dioxide content in the atmospheric optics.
在大气光学成像领域，由于大气中压强、温度、相对湿度和二氧化碳含量的不同，导致大气折射率场呈非均匀分布。
By adjusting the difference of refractive index of the double layer film, single mode operation can be realized with a certain waveguide thickness.
通过改变外延生长工艺来调节两层薄膜的折射率，可在一定波导的厚度范围内实现单模传输。
A simple and efficient finite difference method is proPOsed to solve the eigenvalue equations for planar optical waveguides and circular fibers with arbitrary refractive index profiles.
给出一种差分法，用以求解任意折射率剖面的平板波导及圆光纤的本征方程。
A simple and efficient finite difference method is proPOsed to solve the eigenvalue equations for planar optical waveguides and circular fibers with arbitrary refractive index profiles.
给出一种差分法，用以求解任意折射率剖面的平板波导及圆光纤的本征方程。
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