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 experimental result shows the future prospects of the coherent optical feedback technique in image restoration.
其实验结果显示了相干光反馈方法在图像恢复方面的光明前景。
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。
Bistable optical devices modulating function and clectro- optical feedback function are a group of non- linear equation.
光学双稳态的调制函数和反馈函数构成一组非线性方程。
The system has the advantages of high resolution, large measurement range, operation at all optical feedback levels, and so on.
研究表明该位移测量系统具有高分辨率、大测量范围、可工作于任意回馈水平等特点。
Technique for passive phase locking of fiber lasers by an all-optical feedback loop is studied theoretically and experimentally.
对基于环形腔光反馈的光纤激光被动锁相技术进行了理论和实验研究。
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。
For improving accuracy of performances, it can help precisely adjust the robot hand by means of optical feedback control using visual sensors.
为了改善运行的精度,通过视觉传感器的光学反馈控制,可精密地调整机器人手臂。
The mechanism of generation and control of self pulsation are explained theoretically by the model of two coupled lasers with optical feedback.
在理论上利用带反馈的两激光器的耦合模型,成功地解释了自脉冲的产生及其控制的物理机制。
The threshold gains of different longitudinal modes are modulated by optical feedback. The mode which has the lowest threshold gain can oscillate.
光回馈调制了激光器不同纵模的阈值增益,阈值增益最低的纵模获得振荡。
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。
Coherent optical feedback synchronization system can be divided into two categories: complete synchronization and injection-locking synchronization.
相干光反馈同步系统又分为:完全同步系统和强注入同步系统。
Dynamics of a semiconductor laser subject to moderate optical feedback operating in the low-frequency fluctuation regime is numerically investigated.
半导体激光器在适度光反馈条件下,在数值上研究出其低频波动区域的动态特性。
A semiconductor laser, when subjected to perturbation such as optical feedback, optical injection, optoelectronic feedback, can display chaotic output.
半导体激光器在受到如光反馈、光注入、光电反馈等扰动下,可得到混沌输出。
In this paper, polarization switching performances and polarization bistability performances in VCSEL subjected to optical feedback had been investigated.
本文主要研究了外光反馈对VCSEL偏振开关特性和偏振双稳特性的影响。
The effects of weak optical feedback (WOF) on the bit error rate (BER) of coherent optical differential phase shift key-controll (DPSK) systems are presented.
本文讨论了弱光反馈对相干光差分相移键控系统误码率的影响。
A fringe locking phenomenon in a laser diode feedback interferometer with optical feedback in a certain extent can be observed, which is studied in this paper.
在激光反馈干涉中,当反馈光强度达到一定程度时,可以观察到条纹锁定现象的产生。
Relationships between output power of laser diode and optical feedback coefficient, optical feedback coefficient and defocusing amount are numerically investigated.
数值研究了非相干光反馈时半导体激光器输出功率随反馈系数的变化关系以及待测物体离焦量与反馈系数的关系。
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。
Relative to the incoherent optical feedback, the incoherent optical feedback is less sensitive to frequency detuning, so it can deduce requirements of system to working conditions.
相对于相干光反馈而言,非相干光反馈因其对位相的变化不敏感,因而可降低系统对工作环境的要求;
The results have significant reference value to design of the chaotic synchronization secure communication system based on incoherent optical feedback and incoherent optical injection.
研究结果对非相干光反馈与非相干光注入激光混沌同步保密通信系统的设计具有重要参考价值。
Secondly, the de-nosing problem and the normalization processing problem of the OFSMI signal are studied, according to the specific requirement for the signal at moderate optical feedback level.
其次,针对适度光反馈水平下参数测量对信号特征点的要求,研究了信号的去噪问题及归一化处理问题。
In this paper, we report the influence of feedback strength on the oscillation pattern in optical system with competing interactions.
本文报道在具有竞争相互作用的混合光学系统中,反馈强度对振荡模式的影响。
The performance for the frequency modulation of electrical feedback optical transmitters is presented.
本文研究了电反馈光发射机的频率调制特性。
The results show that the feedback and couple the two orthogonal states of polarization are important for formation and control of optical pulses in EDFL.
结果表明,掺铒光纤激光器中两正交偏振态的反馈及其耦合对光脉冲的形成及控制的重要性。
In this paper, we present a polarization-encoded optical full adder by using an inverse vector realized by transmissive feedback.
提出了利用反转矢量透射反馈算法研制偏振编码光电混合全加器。
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。
The lens assembly includes freeform matched lenses to remove optical distortions, and the housing includes a light sensor for providing exposure measurement and feedback.
透镜组包括形式自由的匹配透镜,用来去除光学失真;壳体包括光传感器,用于提供曝光测 量和反馈。
For example, an assumption of a optical signal feedback method is used for energy storage in the capacity of the ignition device for more controllability.
如为提高系统的可控性,设想了一种点火装置储能电容电压的光信号反馈方法。
For example, an assumption of a optical signal feedback method is used for energy storage in the capacity of the ignition device for more controllability.
如为提高系统的可控性,设想了一种点火装置储能电容电压的光信号反馈方法。
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