研究了不同调制速率下的增益开关半导体激光器的最佳工作状态。
The optimal operating condition of gain switched semiconductor laser with different modulation rate is studied in this paper.
利用增益开关和Q开关双机制作用,压窄了调Q脉宽,提高了输出功率。
When Q-switch and gain switch were applied the peak pulse power was increased and pulse width decreased.
理论计算了泵浦阈值、斜率效率,获得了增益开关的数值解结果,与实验基本一致。
Theoretical analysis for the threshold, the slope efficiency and the gain-switching of the solid laser pumped by a laser diode was presented.
理论研究指出激光器的增益开关状态对输出光脉冲的啁啾分布有较大影响,从而影响了脉冲的压缩效果。
The achieved results indicate that the gain switching conditions greatly influence the chirp of optical pulses and the compression effect.
报道了两个增益开关调制的法布里珀罗半导体激光器互注入锁定实验方案,可产生双波长可调谐光脉冲。
Amutual pulse injection-seeding scheme is developed to generate tunable dual-wavelength optical short pulses by the use of two gain-switched fabry-perot (F-P) semiconductor lasers.
从激光器的单模速率方程出发,利用数值方法研究了在不同的增益开关状态下,输出光脉冲的时域及频域特性。
With numerical calculation from single mode rate equation of semiconductor laser, the output pulse parameters in time and frequency domains are investigated under different gain switching conditions.
报道了利用增益开关分布反馈半导体激光器、F-P光学滤波器及掺饵光纤放大器研制成光孤子源的研究工作。
The studies on an optical soliton source which is prepared using a gain -switched DFB laser, a F-P optical filter and an Er-doped fiber amplifier are reported.
作为光通讯以及光电取样检测系统的主要光源,增益开关半导体激光器产生的激光脉冲质量受到了极大的关注。
As the major source of optical communication and optic-electric sampling detection, the quality of optical pulse generated by Gain-switched semiconductor laser gets more and more attention.
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。
The abnormal spectrum phenomenon of distributed feedback (DFB) laser embedded with RF circuit generates under gain-switching operation was analyzed.
利用增益开关和Q开关双机制作用,压窄了调q脉宽,提高了输出功率。用速率方程理论对过程计算,与实验结果较符合。
When Q-switch and gain switch were applied the peak pulse power was increased and pulse width decreased. A comparison of experimental data with rate-equation theory was made, and agreed well.
用单位增益缓冲器构成的开关电容滤波器(SCF),若能消除寄生电容引起的“阻性”寄生,则可用于高频设计,总寄生灵敏度会因此大大降低。
The unity gain buffer will be good for designing high frequency SCF if its resistive effect can be eliminated and then the overall parasitic sensitivity will be greatly lowered.
双通道,三重RGB开关和缓冲区。电压增益1V / V。
Two-channel, triple RGB switch and buffer. Voltage gain 1V/V.
该文对零输出换相策略、电压增益及开关动作顺序进行了详细的分析,并与双电压合成控制策略下共模电压的最大瞬时值进行了对比。
The paper analyzes in detail the synthetical method, the voltage gain and the switch action sequence of matrix converter based on the zero-output commutation strategy.
文中详细讨论了开关电源输出特性与反馈回路直流增益的关系。
The relationship between output character of Switching Mode Power Supply (SMPS) and DC gain in feedback loops is discussed.
由于存在逆向电流,利用电流传输开关特性的改进型的电压泵(NCP - 1)的电压增益被大大减弱。
Because of the existing of reverse current, the output voltage of charge pump, NCP-1, which is utilizing charge transfer switches, is not as high as expected.
当非线性增益压缩较小且SOA偏离环中点不大时,有效开关窗口宽度较小。
The effective switching window width will be small if the NGC and the distance between the SOA and the midpoint of the loop are small.
提出新的目标函数,综合考虑增益带宽、开关增益、增益平坦度等特征参数。
A simple object function is proposed considering the gain bandwidth, on-off gain, gain flatness and other characteristic parameters.
晶圆级,激光微调,薄膜电阻和温度,真实姿态补偿NMOS管开关保证在整个工作温度和特殊林耳和经营范围的增益稳定性。
Wafer-level, laser-trimmed, thin-film resistors and temperature-compensated NMOS switches assure operation over the full operating temperature range with exceptional lin- ear and gain stability.
本文针对小信号情况下运放有限增益和有限带宽对开关电容网络的影响,提出了利用离散域运放宏模型分析此问题的方法。
In this paper, the effects of the Op · Amp finite gain and bandwidth on the performance of sc networks in small signal are discussed and a method using Z-domain Op · Amp macromodel is presented.
在电路设计中主要包括开关电容采样的全差分运放组成的采保增益电路和两相时钟控制的带预放大器的锁存比较器。
The key circuit design includes a sample-and-hold gain circuit using switched-capacitor to sample or hold the signal and a preamplifier-latch comparator using two-phase clock.
本文提出了运放增益为有限值时的SC电导和SC阻抗模型,用它们分析了运放有限增益对双二阶开关电容滤波器(SCF)性能的影响。
The models of SC Conductance and impedance with finite gain op amp are established. From these models, an analysis of finite gain effect on biquadratic SCF is made.
可编程增益运算放大器的电压增益变化可以通过数字控制的开关电阻网络来实现。
The variation of voltage gain of the PGA can be realized by switched resistor-network, which is digitally controlled.
把微包括一个活跃的增益介质和Q开关,扩展反对结束之间的纵向面临的微共振器。
The microresonator includes an active gain medium and a Q-switch that extend lengthwise between the opposed end faces of the microresonator.
以半导体光放大器为非线性元件的全光开关中,由于SOA中交叉增益调制和交叉相位调制并存,会导致光开关各输出端口性能有所差异。
For SOA-based all-optical switching, because cross-phase modulation and cross-gain modulation is co-exist in SOA, the properties of each output port is different.
针对这个缺点,采用分数增益电荷泵,实现高效率开关电容式DC-DC转换的设计方案。
So we proposed a DC-DC converter with new structure comprised by a fractional charge-pump.
针对这个缺点,采用分数增益电荷泵,实现高效率开关电容式DC-DC转换的设计方案。
So we proposed a DC-DC converter with new structure comprised by a fractional charge-pump.
应用推荐