Single mode CW laser diode travelling-wave semiconductor laser amplifier 单模连续波激光二极管行波半导体激光放大器
For the tunnel diode parallel amplifier, quiescent operation point, circuit specification and offset voltage are studied. 介绍了隧道二极管的特性,研究了隧道二极管并联放大器的静态特性,主要性能指标和偏置要求。
Laser Diode Array Pumped High-Gain Nd Glass Rod Amplifier 激光二极管阵列抽运高增益钕玻璃棒状放大器
A detailed analysis on the travelling wave type semiconductor diode parametric amplifier is also given. 文中给出了变容二极管行波式参量放大器的分析;
So heat management is presented in diode laser array and other high power density devices such as microwave power amplifier and high performance CPU. Heat management becomes one of hot spots in present research. 所以激光二极管列阵以及其它高功率密度器件如微波功放、高性能CPU等,都存在热管理问题,因此热管理问题也成为目前研究热点之一。
Secondly, in light signal reception unit, low noise avalanche diode, due to its high responsivity to special wavelength, acts as optical receiver, extracting useful signal with the combination of high bandwidth amplifier and high speed comparator; 其次,在光信号接收方面,使用对特殊波长响应度极高的低噪声的雪崩二极管作为接收器件,利用高带宽信号放大芯片对信号进行放大,并结合高速比较器来提取有用信号;
The high gain amplifying cavity of diode side-pumped Nd ∶ YLF was designed optimally, to avoid the self-emission of amplifier. 设计了高增益的激光二极管侧抽运Nd∶YLF放大腔,通过对放大器的优化设计避免了自激的出现。
The temperatures of laser diode array and Nd: YLF rod are controlled effectively and the accurate delay is adopted. Such measures increase the energy conversion efficiency and stability of amplifier. 实验中对LDA及Nd:YLF棒进行了有效的温度控制,同时采取了精确的延时措施,提高了激光放大器的转换效率和稳定性。
In this paper, the characteristics of laser diode array ( LDA) side-pumped high repetition Nd ∶ YAG amplifier were studied. The thermal focal length of Nd ∶ YAG rod and the thermal depolarization to laser beam caused by thermally induced birefringence in gain medium were detected. 实验研究了高重复率、大功率半导体激光二极管阵列(LDA)侧面环绕抽运的Nd∶YAG激光放大器的放大特性、热焦距变化和热致双折射效应引起的退偏特性。
Diode laser arrays side pumped Nd: YAG slab double pass laser power amplifier is studied in the paper. Experimental results and numerical simulations of laser performance are presented. MOPA system has been built up using gaussian beam as source. 对二极管激光侧泵浦Nd:YAG板条双程功率放大器进行了初步的研究,给出了激光器的数值模拟结果,建立了二极管侧面泵浦Nd:YAG板条激光主振荡-多程放大(MOPA)系统;
Zener Diode Control Rail to Rail CMOS Operational Amplifier 一种齐纳二极管控制式轨对轨CMOS运算放大器
The ultra-thin packaging technology& the ultra-thin varicap diode and the Wi-Fi system power amplifier. 超薄型封装工艺,超薄型变容二极管和Wi-Fi系统功率放大器;
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。
The laser diode system is composed of three external cavity diode lasers and four injection diode lasers and a tapered amplifier. 采用三台外腔光栅反馈半导体激光器(ECDL)、四台注入锁定从激光器和一台半导体激光放大器组成激光系统。
Dynamic Response ol a Diode Amplifier to a Train of Short Pulses 半导体激光放大器对超短光脉冲串的动态响应
A multi-polar plate capacitive displacement sensor is designed, and an corresponding testing system made up of oscillator circuit, diode loop detection circuit, low-pass filter and amplifier is manufactured. Displacement-output voltage property of the sensor is tested, and testing result is analyzed by regression method. 采用多极板电容结构设计了电容位移传感器,由振荡器电路、二极管环形检波电路、低通滤波器、放大器等组成测试系统,测试了此传感器的位移-输出电压特性,并对测试数据进行回归分析。
Through analysis for the performance features of laser diode array end-pumped disk laser amplifier, a finite element thermal model of laser crystal Nd ∶ YLF is established. 针对LD阵列端面泵浦片状放大器的工作特点,建立了对增益介质Nd∶YLF进行热特性研究的有限元模型。
We develop the seed CW laser source by using the ring dye laser pumped by a diode semiconductor laser, the absolute laser frequency locking and automatic tracing system, three frequency laser generator, pulse dye amplifier, auto-aligning system. 发射机部分:采用半导体激光器泵浦环形染料激光器作为系统种子激光光源,研制了激光频率绝对锁定跟踪系统、三频激光产生器、脉冲染料放大激光器、自动准直系统等。
Using diode laser as light source, we design a plane-concave cavity. Scanning of the cavity is performed, and the resonant cavity is locked by the feedback of lock-in amplifier, and then cavity enhancement is achieved. 以半导体激光器为光源,构建了平凹腔,对光学谐振腔进行了扫描,同时利用锁相放大器实现了对腔的伺服控制,把谐振腔锁在共振峰上,从而实现了腔内增强。
To fulfill the requirements of the applications, many new methods and techniques have been proposed concerning the stabilization and amelioration of the diode laser, such as the external cavity diode laser ( ECDL) and the tapered amplifier. 为了满足这些应用的要求,人们提出了很多稳定和改进半导体激光器的新方法和新技术,如:外腔式半导体激光器、锥形放大器等。
The limiter is capable of restraining the intensive direct wave signal by the diode to prevent it causing damage to the follow-up switch and amplifier. 限幅电路通过二极管抑制较大幅度的直达波,防止其对后续的开关电路以及放大器造成损毁。