Using ray transfer matrix, the characteristics of the external cavity and the feedback laser beam are studied.
利用传输矩阵理论结合具体实验装置分析了外腔反馈注入系统的特性和反馈注入光束的传输特点。
Feedback laser which generates narrow band light source for the Optical fiber gas sensor is too expensive to be used in engineering.
但由于产生窄带光源的反馈式激光器造价很高,因此没能够得到实际应用。
By means of pulse injection, the relation between lasing wavelength and chip temperature of distributed feedback laser (DFB-LD) has been obtained.
利用脉冲注入法测量了分布反馈激光器(DFB - LD)芯片温度与激射波长的关系。
Analyze the feedback laser grid-driving power to our feedback channel influence, the laser best operating point and the laser grid-driving power assignment.
分析回传激光器的激励功率对回传通道的影响、激光器的最佳工作点及激光器的激励功率的分配。
This paper studies the important effect of feedback delay on the unstable output of ring cavity laser system, especially the route to chaos in small delay time.
本文研究了环形腔激光系统的反馈延迟对该系统的不稳定输出阈值,时间波形,功率谱及向混沌过渡道路的重要影响。
Otherwise, the intracavity modulating laser with feedback device can be used in digital optical communication because of its bistable and multistable out-put.
带有反馈的腔内调制激光器,其输出将出现双稳、多稳特性,因而可用作数字光通信的调制源。
By analyzing the direct frequency modulation and optical feedback effect of laser diode, a theoretical model for measuring small vibration displacement and velocity is discussed.
分析了在直接频率调制下,激光二极管中的光反馈效应,探讨了振动微小位移和速度的理论模型。
This problem is solved by using vertical cavity surface emitting laser (VCSEL) feedback as the SNOM detection principle.
这个问题可以用垂直腔表面发射激光器(VCSEL)作为SNOM的反馈部分来解决。
A method to obtain the diagnostic signal, the acoustic feedback control system and the principle of laser welding diamond saw are described in the paper.
介绍了特征声信号的提取方法及其用于激光焊接金刚石锯片的反馈控制系统构成和基本原理。
An optoelectronic detection system based on the optical feedback effect in a direct frequency modulated laser diode is developed.
设计并研制了一套基于光反馈效应的直接频率调制激光二极管光电探测系统。
The linewidth of an external cavity semiconductor laser(LD) is presented quantum-mechanically. The best feedback conditions are given for the suppression of LD linewidth.
本文用量子力学的方法求得了外腔半导体激光器(LD)的线宽,给出了抑制LD线宽的最佳反馈条件。
The dynamics of the semiconductor laser with phase conjugation feedback (PCF) is studied in the paper.
本文研究了相位共轭反馈对半导体激光器的动力学行为的影响。
In this paper a complete small signal analysis for semiconductor laser frequency chirping in the presence of optical fiber ring feedback is presented.
本文给出了在环形光纤外腔光反馈之下半导体激光器频偏特性的小信号分析理论。
A broad area laser diode (BALD) with external cavity feedback is experimentally investigated and analyzed by using ray transfer matrices.
实验研究了带外腔反馈注入的宽接触条形激光器,并用光线传输矩阵分析了该外腔结构。
The effects of transverse distribution of light field on CO2 laser instabilities are studied by means of light feedback.
利用光反馈研究了光场横向分布对CO_2激光器不稳定性的影响。
Design and realization methods of integrated operational amplifier feedback constant current power in semiconductor laser reliability evaluation system are introduced in this paper.
介绍一种已成功应用于半导体激光器可靠性评估系统的负载浮置的集成运放反馈型恒流源的设计与实现方法。
Nowadays, the optical pulse used in the OTDM system is often generated by the gain-switched distributed-feedback (GS-DFB) semiconductor laser, which has a large pulse width and negative chirp.
目前常采用GS-DFB半导体激光器作为OTDM系统的光脉冲源,这种脉冲源产生的光脉冲一般较宽。
Phase noise in semiconductor laser due to external optical feedback is investigated theoretically.
本文在理论上研究了由于外部光反馈引起的半导体激光器的相位噪声。
The abnormal spectrum phenomenon of distributed feedback (DFB) laser embedded with RF circuit generates under gain-switching operation was analyzed.
对设有内置式RF电路的分布反馈(DFB)半导体激光器在增益开关工作状态下出现反常光谱的原因进行了分析。
This paper analyses the feedback technology for the power supply of semiconductor laser, which is used for stabilizing the driving current and the optic output power of semiconductor laser.
本文讨论在半导体激光器电源中采用反馈技术来稳定激光器的驱动电流和输出光功率。
Study on theoretical models of laser self-mixing interference based on optical feedback effect is made in terms of weak optical feedback condition.
文章针对弱光反馈情形,对基于光反馈效应的激光自混合干涉模型进行了探讨。
The laser optical feedback interferometric technique is reviewed as a general tool for remote sensing applications.
对基于激光回馈效应的传感应用研究进展进行了综述。
When the output intensity of a laser is changed, a feedback control signal processed by a digital PID regulator is used to control the current of a laser tube.
利用输出光强变化,通过数字PID调节器反馈控制激光管电流可获得较为稳定的激光输出。
The FM noise and AM noise of a negative frequency feedback (NFFB) semiconductor laser(LD)are presented. The FM noise (linewidth)can be reduced greatly by NFFB technique under proper conditions.
本文用半经典理论研究了负频反馈(NFFB)半导体激光器的FM和AM噪声。在适当的条件下,FM噪声(线宽)可用NFFB技术得到极大的抑制。
The FM noise and AM noise of a negative frequency feedback (NFFB) semiconductor laser(LD)are presented.
本文用半经典理论研究了负频反馈(NFFB)半导体激光器的FM和AM噪声。
The u. c. l. a. researchers matched the scattered light with the pump energy from another laser in a way that created constructive feedback resulting in a net amplification of light.
加大洛杉矶分校研究人员让散射光与来自另一具雷射的能量相遇,以产生建设性的反馈,借此放大光的净振幅。
Abstract: To reduce the fluctuation of frequency response of a Distributed Feedback (DFB) fiber laser used in underwater sound detection, an encapsulated structure with orifices was designed.
摘要:针对分布反馈式(DFB)光纤激光器用于水声探测时频响曲线起伏较大的问题,设计了一种开孔套管式封装结构。
Based on semiclassical theory of laser, this paper was devoted to study a new mechanism of laser chaos resulted from laser self feedback in the standing wave condition.
本文在激光器半经典理论的基础上,研究和探索驻波条件下激光器自反馈引发混沌的新机制。
As an un-contacting system, it uses the feedback-information of the reaction of the focused laser beam and measured surface to measure the surface appearance parameters.
该仪器属于非接触式,使用聚焦的激光光束与被测表面相互作用所反馈的信息来进行表面形貌参数的测量。
As an un-contacting system, it uses the feedback-information of the reaction of the focused laser beam and measured surface to measure the surface appearance parameters.
该仪器属于非接触式,使用聚焦的激光光束与被测表面相互作用所反馈的信息来进行表面形貌参数的测量。
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