Dispersion is the primary affects of the optical fiber band width.
色散问题是影响光纤带宽的主要因素。
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。
Methods By the matrix optical method, formulae of waist width and imaging distance of focused Gaussian beams through the coupling system are derived.
方法利用矩阵光学方法,推导了高斯光束经耦合系统聚焦后束腰宽度和像距的计算公式。
In this paper we analyze the frequency correction caused by a finite beam width in an optical gyro.
本文分析了光陀螺中由于有限光束宽度对拍频频率的修正因子。
Firstly, we find that NOLM has a function of compressing optical pulse width, self-phase modulation (SPM) in NOLMs is a crucial reason.
通过研究它的光学特性,我们发现,由于自相位调制(SPM),NOLM有压缩光脉冲脉宽的功能。
We focus on the peak power, pulse width, extinction ratio of conversion optical pulse and the transmission property of conversion optical pulse in standard single mode fiber.
详细研究了反转光脉冲的峰值功率、脉冲宽度和消光比等重要物理参量以及反转光脉冲继续在常规单模光纤中传输时的演变特性。
The influences of optical phonon modes on polaron self-trapping energies as functions of well width are given respectively.
同时给出光学声子对极化子自陷能影响随阱宽的变化关系。
Optical microcavity arouses great interest in condensed state physics. It can change characters of spontaneous emission, such as spectral full width at half-maximum, light intensity at peak and so on.
光学微腔是目前凝聚态物理的研究热点,它能够改变自发发射的特性(谱线宽度、发光强度等)。
Results show that the electric field induced refractive index change in DQWs varies with the width of the intermediate potential barrier. And it decreases as the incident optical intensity increases.
结果表明,折射率改变不但与入射光强有关,更与阱中的势垒宽度有关。
The formulas of mode conversion are derived and effects of optical beam power, initial beam width radius and inverse of the radius of curvature of the wave front on the mode conversion are analysed.
导出模式变换公式,分析了光束功率、光束初始的束宽半径和波前曲率半径的倒数对模式变换的影响。
The tapered waveguide performs mode transformation between optical fiber mode and polymer waveguide mode by using a refractive index taper and a width taper with wedge profile.
提出并设计了一种基于电光聚合物的锥形波导,可用于单模光纤与电光聚合物波导器件之间的连接。
The main results obtained are as follows:1. The ultra-fast characteristics of photoconductive switches were mainly determined by the optical pulse width and the carrier lifetime of the chip material.
光电导开关的超快特性主要由触发光脉冲脉宽和开关芯片材料载流子复合寿命决定。
The coupled differential equations of the dimensionless beam width parameters of two optical beams are solved.
求解了两光束无量纲束宽参量的耦合微分方程。
The effects of the optical beam width and cladding on imaging are analysed.
分析了光束束宽和包层对成像的影响。
The Optical Ethernet can deliver very high band width-100M bit/s, 1G bit/s or even higher-across districts and counties, at prices similar to today's 1.5M bit/s T—1s.
光以太网可以跨越地区提供极高的带宽——100兆位/秒、1吉位/秒,甚至更高,而其价格与今天的1.5兆位/秒的T-1线路相当。
The study of plane pure-phase equi-width ring diffractive optical lenses is reported.
报道二维纯位相环带衍射光学透镜的研究。
The zig-zag optical path can eliminate the influence of the non-uniform heat dissipating capacity in length and height directions, but not in width direction.
板条长度方向散热不均匀及两块热沉之间散热能力的差异对波前畸变的影响很小,而宽度方向散热不均匀对波前畸变的影响较大;
Our results are expected to provide a new approach to experiments on realizing ultra-narrow line-width radiations as well as optical clocks.
该论文的研究结果有望为实验上实现超窄线宽光源以及光学原子钟提供一种全新方案。
In the practical applications, according to the ground swath width determine the FOV, then choice the optical system configuration which can satisfy the needed FOV and small dimension.
在实际工程应用时应根据不同的地面覆盖宽度的需求确定光学系统视场角,然后根据不同的视场角选定能满足这个视场角要求并尺寸最小的光学系统结构形式。
In the practical applications, according to the ground swath width determine the FOV, then choice the optical system configuration which can satisfy the needed FOV and small dimension.
在实际工程应用时应根据不同的地面覆盖宽度的需求确定光学系统视场角,然后根据不同的视场角选定能满足这个视场角要求并尺寸最小的光学系统结构形式。
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