Investigation on Squeezing Light and Observation of Electromagnetically Induced Transparency-like Effect in Phase-sensitive Optical Parametric Amplifier 压缩态光场的实验研究以及相位敏感光学参量放大器中类EIT现象的实现
The present paper presents a new method for restraining the light lasing of the travelling-wave optical amplifier by means of the combination of dip and taper angles in the structure of the device. 文章讨论了行波管放大器的非线性特性,研究了预失真和前馈线性化技术,提出一种利用预失真与前馈法相结合的新方法来对行波管进行线性化。
Overlap factor between intensity profiles of signal and pump light and gain characteristics of Er-doped waveguide amplifier 抽运光与信号光的光强重叠因子和掺铒玻璃波导放大器的增益特性
Release the light brown and curry coloured connector on the right antenna amplifier and pull off. 松开右天线放大器上浅棕色和咖哩色的接头并拔出。
The solved technical proposal is that it contains a metal shell, a light sensitive cell, a resistor array, an operation amplifier and a digital display. 解决的技术方案是:包括金属外壳、光电池、电阻排、运算放大器、数码显示器;
Main products: Setop box, LED light, Satellite receiver, CATV amplifier, Optical transmitter, LNB, Optical receiver, Optical cable, LED large screen, cable. 主营:机顶盒,LED照明灯,卫星接收机,放大器,光发射机,高频头,光接收机,光缆,LED显示屏,电缆。
The term laser is an acronym for light amplification by stimulated emission of radiation, or a light amplifier. 这个术语激光的全称是经过受激起射光扩展,或许一个光缩小器。
Effect of Pumping Light Linewidth on Fiber Raman Amplifier 抽运光谱宽度对喇曼光纤放大器的影响
This Paper describes theory to operate and composition of the image Light Amplifier of projector, also describes composition and Parameter of the projector. 介绍投影显示中图象信号放大器的工作原理和构成,也介绍投影显示器的构成和参数。
The author believed that the main reason brought the above problems were in the optical fiber communications design index accounting as well as the performance index were not matched between 21-206 multi-mode fiber/ single-mode fiber converter and light power amplifier in the protective device and OPGW transmission. 论文指出,铸成上述问题的主要原因是对光纤通信设计指标的核算以及保护装置内21-206多模/单模转换器和光功率放大器的性能指标与OPGW传输之间的匹配,存在着问题。
In order to continuously and accurately calculate the blood oxygen saturation, circuits for minimizing the effects of the background light and the differential threshold algorithm are used for the patient monitor The instrument consists of the light source control circuit, the signal amplifier. 为了实现连续准确地计算血氧饱和度,在该监护仪中采用了减小背景光干扰的电路和微分阈值计算处理方法。
The integrated devise can be used as a photonic switch, a light amplifier, and also can be used in free space optical interconnection. 该集成器件除光子开关功能外,还能实现光放大功能,并可用于自由空间光互连。
In this paper, the high speed light source, optical modulator, optical detector, optical amplifier and optical fiber dispersion equation are discussed, which are the main technical issues for IM/ DD fiber optic transmissions. 本文就光强度调制&直接检波(IM/DD)光纤传输方式的几个主要技术课题:高速光源、光调制器、光检波器、光放大器以及光纤色散均衡进行了讨论。
At last, discussed the light path and the circuit of the measurement system, especially the amplifier circuit. 最后,文章进行了测量系统的设计,对测量系统的光路部分、电路部分中的微信号放大电路进行了设计。
It is indicated experimentally that a proper pre filter of light amplifier can be used to increased the sensitivity of a system. 实验表明选择合适的光放大器前置滤波器可以提高系统的灵敏度。
The laser-ultrasonic nondestructive testing system is discussed, and the design of way of light, amplifier and demodulator is given. The error rate of the system is about 0.49% in the testing. 本文中研究了采用激光超声进行无损检测的系统,完成了对系统光路、前置放大电路以及解调电路的设计,并且通过实验测得系统的检测误差率约为0.49%。
Choosing Y type reflection fiber optic detector, this thesis create a tiny displacement-detecting sensor that is made up of LED ( Light Emitting diode), fiber optic detector, electric eye, lock-in amplifier, display and other electro circuits. 本论文采用Y型反射式光纤探头设计制作了一种微位移测量装置,它主要由发光二极管、光纤探头、、锁相放大器、显示器及相关电路组成。
Its application is extensive in compensation of fiber dispersion, amplification of ultrashort light pulse, Er doped fiber amplifier, fiber filter and fiber sensor. chirped光纤光栅在光纤色散补偿、超短光脉冲放大、掺铒光纤放大器、光纤滤波器以及光纤传感器中具有较广泛的应用。
In this system a special circuit is designed to remove the effect of the background light field, also an AGC ( automatic gain control) amplifier with a dynamic range of 3  ̄ 4 orders of magnitude is in the system for more efficient detection. 系统能有效的消除水下背景光的影响,并具有3~4个数量级动态范围的自动增益放大能力以更有效地接收水下激光通讯信号。
Improvement for Transmission Theoretical Model of Light Pulse in Semiconductor Light Amplifier 光脉冲在半导体光放大器中传输理论模型的改进
Application Research on Operational Amplifier The method for exactly measuring photocell light function is proposed by using a adjoint operational amplifier. 用运算放大器实现低频信号发生器应用伴随运算放大器可以精确测量光电池的光特性。
Materials with light amplification is a main part of fiber amplifier, which determine the power efficiency of fiber amplifier. 光放大材料是光纤放大器的主要组成部分,它决定光纤放大器的光放大功率。
The paper describes that the processing method using constant carrier lifetime approximation in investigating the dynamic process of amplifying light pulse with semiconductor light amplifier is unreasonable. 阐明了在研究半导体光放大器对光脉冲放大这一动态过程中通常采用常数载流子寿命近似这一处理方法是不合理的。
Light signal amplifier by optical bistability 双稳态光信号放大器
The Design of Light Isolating linear DC Amplifier 光隔离线性直流放大器的设计
Due to having a higher refractive index and lower phonon energy, the lanthanide rare earth fluorides have been widely used in light emitting, biological markers and optical fiber amplifier and other aspects. 镧系稀土氟化物由于具有较高的折射率和较低的声子能量等特性,被作为一种良好的发光基质和固态激光器材料,广泛应用于发光、显示、生物标记和光纤放大等方面。
With the characteristics of high efficiency, energy conservation, digitization, small size and light weight, Class D audio power amplifier adapts to the objective needs of energy efficient portable devices and has great advantages in the field of audio analog integration. D类音频功率放大器具有高效、节能、数字化、体积小、重量轻的特点,适应便携设备高效节能的客观需求,从而在音频模拟集成领域具有很大的优势。
The related equation of energy density in signal light, the amplifier gain and extraction efficiency are calculated, which is basic on rate equation of pulse amplifier. And effects of amplifier output energy have been separately discussed. 4. 理论研究脉冲放大速率方程,推导出信号光能量密度、放大器增益与提取效率之间的关系方程,并分别讨论其对放大级输出能量密度的影响。
Due to the accompany amplification effect and tandem pump effect of 1012 nm fiber laser, the easily-arising ASE in weak signal light amplifier is effectively suppressed. 由于1012nm激光的伴随放大效应以及同带泵浦效应,有效抑制了微弱信号光放大器中容易出现的ASE。
The paper describes every subsystem including light driver of three wave length, detector, amplifier and filter, data acquisition, data receiving on PDA, data processing and visualization. 文章介绍了系统中各个功能模块的实现方法,包括三波长光源驱动、光电探测、放大滤波、数据采集、PDA上的数据接收,数据处理及显示等技术。