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- laser output spectrum 激光输出光谱
- Firstly, the structure and output spectrum of DDS is analyzed. 首先分析了DDS的原理、输出频谱的特性。
- The Collins formula and tensor ABCD law in spatial frequency domain provide the relation between the input spatial Fourier spectrum and the output spectrum directly. 空间频率域中的柯林斯公式和张量ABCD定律直接给出了像散光束的空间傅里叶频谱的传输规律。
- We fabricated two kinds of PhC micro-cavity: D1 and D2, and investigated the L-I curve, output spectrum, coupled efficiency and Q factor of D1 and D2. 我们制作两种不同的微共振腔D1、D2,比较雷射的L-I曲线、输出频谱、耦合效率与Q值。
- Inside cool water circulation system can guarantee invariance temperature, stable laser output power. 内封闭制冷循环系统,循环水可保证恒定温度,激光功率输出稳定。
- Non-uniform well-thickness multi-quantum wells (MQWs) materials were adopted to widen the output spectrum of superluminescent diodes (SLDs). 为提高半导体超辐射发光管的光谱宽度,采用非均匀阱宽多量子阱(MQW)材料拓宽超辐射器件的输出光谱。
- This paper reports the polarization instability of Non-Brewster window Laser output, A tentative discussion by means of Quantum Optics is given. 本文报告了无布儒斯特角窗口激光输出偏振效应的不稳定性,并用量子光学观点给于初步解释。
- Stress-birefringence results in depolarization and also affects the laser output quality. 热应力双折射对光束产生较大的退偏作用,从而影响激光器的输出性能。
- In this paper, the relationship between the output spectrum of a direct digital signal synthesizing system and the DFT of the corresponding waveform sequence is analyzed. 在利用直接数字式合成方法产生周期信号时,信号的频率分辨率和带宽直接受限于合成系统的工作频率和存储容量。
- Using BBO crystal to double the frequency, the blue green laser output at 450.8 nm is gained. 经BBO晶体倍频获得了 45 0 8nm的蓝绿激光输出。
- And laser output pulses of 12 mJ energy and 80 ns duration was obtained by using a prism Q switching. 采用转镜调Q,获得了12mJ的巨脉冲输出,脉宽80ns。
- A Q?switched laser output of 32.5W with 350W pumping power is obtained at 7kHz using a 30% output coupler. 当泵浦功率约为350W时;采用透过率为30%25的输出耦合镜;调Q激光输出功率32.;5W;脉宽约200ns;重复频率7kHz;
- The mixture gas of N_2,CD_4 and He(or D_2) is used in DCN laser. The laser output power is 0.2W at the 1.54THz. 工作气体为N2;CD4和He(或D2)的混合气体;在1.;54THz的连续激光输出功率大于0
- Result shows that high signal gain formula can satisfyingly explain the saturation of laser output in the experiment. 结果表明,大信号增益公式可圆满地解释自由电子激光器实验中激光输出饱和现象。
- The experiment results of laser output beam pointing stability by measured with CCD camera is prevented. 报导用CCD摄像机检测激光器输出光束的指向稳定性的实验结果。
- The superiority of the method is the pectinate filter characteristic, that is, the power ratio of the two output arms changes fast with the Bragg wavelength while in the rising or falling edge of the output spectrum. 该方法主要是基于 MZ 干涉仪的梳状滤波特性,即在输出光谱的上升或下降沿两输出臂的功率比值随波长变化很快,通过调整干涉仪臂长差,得到具有陡峭边沿的滤波器。
- With this kind of electron beam, laser output in the ultraviolet region is obtained successfully. 并用此电子束戍功地获得紫外波段激光输出。
- The PLL (phase lock loop) is realized by form of charge pump, its loop filter is passive two-order LPF. Compared to other form of active filter, this CP PLL has less noise, which does some good to its output spectrum. 微波锁相环采用电荷泵的形式,其环路滤波器为无源二阶低通滤波器,相比采用有源滤波器的锁相环,它不会附加有源噪声,而且滤波器结构简单,便于调试。
- Two different structures of waveguide interference filters are investigated and the output spectrum of a two-cavity structure with 27 periodic layers and the field distributions of a single-cavity structure are calculated. 根据这种方法优化设计了两种波导干涉滤波器单元器件,并且以27层开放式波导干涉滤波器双腔结构为例,计算了垂直入射时的输出光谱和单腔结构滤波后的场强分布。
- A Q-switched laser output showing a 9 ns pulse duration, a 19 mW maximum average power output and a 10 kHz repetition rate has been demonstrated. 已实现了脉宽9ns、最大平均输出功率达19mW、频率为10kHz的调Q激光。