1) long-period waveguide grating
长周期波导光栅
1.
Study on improving the performance of the refractive index sensor based on long-period waveguide gratings;
改进长周期波导光栅折射率传感特性的研究
2.
The main work of the dissertation can be summarized as following four aspects:1 Design a new structure of long-period waveguide grating, the structure of a stripLiNbO3 waveguide clad with a planar LiNbO3 waveguide is proposed to fabricate along-period waveguide grating (LPWG).
长周期波导光栅(LongPeriod Waveguide Grating, LPWG)相比长周期光纤光栅(LongPeriod Fiber Grating, LPFG)在选材上更加丰富,制作工艺上更加灵活。
2) long period fiber gratings filters
长周期光纤光栅滤波器
3) long period grating
长周期光栅
1.
Recent progress on imprinting technologies and applications of photonic crystal fiber long period gratings;
光子晶体光纤长周期光栅制作技术与应用最新进展
2.
The transmission spectrum of long period grating was analized by a combination of coupled mode theory and transfer matrix method.
用耦合模方法和传输矩阵法相结合对长周期光栅的传输光谱特性进行了研究， 提出了用相移长周期光栅使双峰的增益谱线平坦化。
3.
Theoretical and experimental study on how to pack long period gratings has been made.
对于长周期光栅 ,谐振波长阶数越高 ,封装材料折射率对其特性的影响越大 ;封装材料折射率小于包层时 ,随封装材料折射率增大 ,波长减小 ;封装材料折射率大于包层时 ,波长向长波长移动 1。
4) long-period fiber grating
长周期光栅
1.
Then the progress and values of the research into long-period fiber grating are discussed.
本论文首先综述了光纤光栅的发展、结构、分类及布拉格光栅和长周期光栅研究及其应用情况，进而指出级联长周期光栅的研究现状及研究意义。
5) LPG
[英][,el pi: 'dʒi:] [美]['ɛl 'pi 'dʒi]
长周期光栅
1.
Long-period grating(LPG) which has a grating period of more than 100μm is a new kind of fiber gratting and its principle is that It couples optical power from the forward transmission fundamental core mode to the forward transmission cladding modes and is attenuated after some distance.
长周期光栅是一类新型的光纤光栅,光栅周期一般大于100μm,其基本的传光原理是将前向传输的基模耦合至前向传输包层模,在传输一段距离后被衰减掉。
6) long-period grating
长周期光栅
1.
Basic structures, operating principles and recent research progresses of photonic crystal fibers sensor based on Bragg grating, long-period grating (LPG) and interferometer are reviewed.
基于PCFs的光纤传感器对应力和液体折射率具有较高的传感精度以及更好的温度特性,并且可以灵活引入各种耦合结构单元组成干涉仪,介绍了基于光纤布拉格光栅(FBG)、长周期光栅(LPG)和干涉仪的PCFs传感器的基本构造、工作原理和最新的研究进展。
补充资料：波导通信(见毫米波通信)
波导通信(见毫米波通信)
wave guide communication
bodao tongxin波导通信(wave guide communieation)见毫米波通信。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条