The optical frequency shift technology based on photonic crystals is studied.
分析了光子晶体实现光学频率变化的方法。
A new device which can change the optical frequency shift is described. It consists of a rotating grating, a synchro motor and a power supply whose frequency can be adjusted.
本文描述一台能改变光频移频率的新装置，它由旋转光栅、同步电机和调频电源组成。
A method for measuring the phase characteristics of ultrahigh frequency modulating light by optical phase shift is proposed. It has the properties of high precision and strong practicability.
提出采用光学移相办法测量超高频调制光相位特性的一种方法。它具有精度高、实用性强等特点。
A method for measuring the phase characteristics of ultrahigh frequency modulating light by optical phase shift is proposed.
提出采用光学移相办法测量超高频调制光相位特性的一种方法。
The scheme of measuring Brillouin frequency shift in fiber sensor based on edge optical filter is proposed.
提出了采用边缘光滤波器来测量光纤传感中布里渊频域的方案。
In this paper, an integrated optical modulator is proposed and analyzed, which is constructed in a fin line geometry and can be applied to a Doppler radar for processing the Doppler frequency shift.
提出并分析了集成电光波导调制器在多普勒雷达中的一种新的应用方式。该调制器的电极采用鳍线结构，能够方便地获取多普勒频移信号。
We find that dispersive properties inside the micro-cavity lead to frequency shift of the defect modes. The defect modes can be amplified as optical gain is introduced into system.
另外，当通过复介电常数的虚部引入光学增益后，我们发现缺陷模在增益介质中被放大，其阈值特性和缺陷折射率的密切相关。
Based on the phenomenon of the frequency shift in Brilluion back-scattering light related to the strain of the optical fiber, a new strain sensing scheme is proposed.
根据光纤中的布里渊散射附加频移与光纤所受的拉伸应变有关的特性，推导了附加频移与应变间的线性关系。
Based on the phenomenon of the frequency shift in Brilluion back-scattering light related to the strain of the optical fiber, a new strain sensing scheme is proposed.
根据光纤中的布里渊散射附加频移与光纤所受的拉伸应变有关的特性，推导了附加频移与应变间的线性关系。
应用推荐