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- optical frequency mixing technique 光混频技术
- optical frequency mixing 光混频
- Based on frequency mixing technique, the hardware of this system, including UHF sensor and UHF receiver, was developed. 基于混频技术研制了系统硬件,它包括特高频传感器和特高频接收机。
- With HTS Josephson junction as the mixing element, 50th harmonic frequency mixing at 3mm wave band is obtained on the system. 在该系统上成功实现了高温超导混频器在3毫米波段的50次谐波混频。
- Passively mode-locked fiber laser and the application in optical frequency metrology were introduced. 摘要本文介绍被动锁模光纤激光的架构，以及在光频量测的应用。
- Two additional features of the pulses emitted by mode-locked lasers are keys to the development of optical frequency combs. 锁模雷射所放出的脉冲另有两个特徵，成为发展光频梳的关键。
- Jun Ye, Steven Cundiff and John Hall bring different backgrounds to their collaboration on developing and applying femtosecond optical frequency combs. 叶军、康帝夫以及霍尔各有不同的背景，但是一起合作发展及应用飞秒光频梳。
- Steven Cundiff, Jun Ye and John Hall bring different backgrounds to their collaboration on developing and applying femtosecond optical frequency combs. 康帝夫、叶军以及霍尔各有不同的背景，但是一起合作发展及应用飞秒光频梳。
- Its error source and the way of changing are analyzed, especially for two factors, i.e., elliptic polarization of laser and installation error of Wollaston prism, which can cause frequency mixing errors in common path heterodyne interferometer. 重点分析了在共光路外差干涉仪中由激光光源的椭圆偏振化和Wolaston棱镜的安装方位角引起的频率混叠误差的大小及变化规律。
- John Hall, Steven Cundiff and Jun Ye bring different backgrounds to their collaboration on developing and applying femtosecond optical frequency combs. 霍尔、康帝夫以及叶军各有不同的背景，但是一起合作发展及应用飞秒光频梳。
- Frequency mixing errors caused by the two factors existing at same time, which are elliptic polarization of laser source and installation azimuthal error of Wollaston prism, were analyzed especially in common path heterodyne interferometer. 着重分析了在共光路外差干涉仪中由激光光源的椭圆偏振化和沃拉斯顿棱镜的安装方位角误差同时存在的情况下,引起的频率混叠综合误差的大小及变化规律。
- The microcontroller then sets the frequency driving AOM to let the shifted optical frequency to jump alternatively to either side of the desired saturated absorption peak. 单片机控制AOM在吸收峰左右跳频得到鉴频信号，经数字PID计算反馈控制激光频率，实现了无调制稳频。
- The optical temporal and the optical frequency holograph are introduced in this paper, emphasis on the principle of the optical frequency holograph, and its application. 介绍了光学频域全息和时域全息的形成原理,并对光学频域全息在光纤通信及图像传输中的应用作了简要介绍。
- Frequency parameters are some of the key technical aspects in prototyping an optical fiber sensor system based on power modulated optical frequency domain Raman reflectometry. 研究了功率调制型光频域反射技术空间采样函数的基本特征,得到了频域测量参量对测量距离和空间分辨率的基本限制；
- A wavefront at high radio frequencies or optical frequencies impinging on the atmosphere is distorted. 高射电频率或光学频率的波阵面进入大气时受到畸变。
- THEORY OF WIDE BANDWIDTH OPTICAL HARMONIC GENERATION BASED ON FREQUENCY MIXING 基于混频效应的宽带激光谐波转换理论
- The attosecond pulse train which are consecutive pulses with same carrier envelope phase can push optical frequency combs in the visible and near infrared wavelength to extreme ultraviolet regions. 利用脉冲间具有相同载波包络相位的阿秒脉冲序列能把可见光波段的光学频率梳向极紫外波段扩展；
- High-resolution measurements were the domain of specialists in precision spectroscopy and optical frequency metrology, wherein highly stable CW lasers reigned as the preferred tools. 高解析度测量是精细光谱及光频度量衡专家的专长，他们比较喜欢用高稳定度的CW雷射。
- Parameters Estimation of BPSK Signal Based on Frequency Mixing 基于混频的二相编码信号参数估计
- Error Analysis of Frequency Mixing for Heterodyne Interferometer 外差干涉仪混频误差分析
