由于本实用新型采用了上述结构,调焦环可快速地卡装在光模镜头上,拆装方便、定位准确。
With the structure, the focusing ring can be quickly clamped on the optical mode lens; and assembly and disassembly are convenient and positioning is accurate.
分析了耦合效率与光源激发的光模场、光纤结构及光纤头部形状、耦合工作参数等因素的关系。
The relation between coupling efficiency and mode field stimulated by SLD, fiber structures, shape of fiber butt and coupling operation parameters was analyzed.
“这是我们这一发现的精要所在:采用局域模不仅能捕获光,还增强了光和物质的相互作用,”Lodahl说。
"This is the essence of our discovery: we used localized modes not just to trap light but to enhance interaction between light and matter," Lodahl says.
介绍了2005年诺贝尔物理学奖的获奖工作-用锁模飞秒激光光梳去测量光的频率。
The work of the winners of the 2005 Nobel prize in physics is briefly reviewed. They measured the frequency of light with mode-locked laser comb.
反氢和氢原子应该有相同的特性,例如发出光的频率一模一样。
Antihydrogen and hydrogen atoms should have the same properties, emitting the exact same frequencies of light, for example.
在综合大量实例的基础上,提出双高斯函数逼近多模光纤的光脉冲输出的解析近似方法,使时域法确定光纤带宽的精度大为提高。
On the base of a plenty of facts we suggested a method in which bi-Gaussian form is approached the output pulse in multimode fibers The accuracy measuring band in time domain can be improved highly.
本文讨论了这类非互易旋光张量下的波矢面及简正模的基本形式。
This paper discussed the basic form of the wave-vector surface and normal mode of nonreciprocal gyrotropic dielectric tensor.
论文给出了模场分布和光功率与模折射率的关系。
Modal field distributions and relations between optical power and modal index are given.
研究了光子晶体多模波导在非光子带隙区光场的传输特性。
The properties of the propagating field in multimode photonic crystal waveguides (PCWs) exhibiting no photonic band gaps (PBGs) are investigated.
本文对于非均质岩体工程的变弹模光弹性实验计算有着一定的参考意义。
It has some reference meaning for the Photoelastic experiment and Calculation of Changeable elastic modulus in the inhomogeneous rock masses engineering.
波纹喇叭与光壁多模喇叭是两种比较理想的高效率馈源。
Corrugated wall horns and smooth wall multimode horns are two comparatively ideal feeds with high efficiency.
研究了非均匀应变对低维量子结构的能带和TE模光增益所产生的影响。
The effects of inhomogeneous strain on the band structure and te mode gain were studied for low dimensional quantum systems.
实验结果可以用多模热光场的二阶空间关联性质来解释。
The experimental results can be explained with the second-order spatial correlation of a multimode thermal optical field.
模数相同且相互正交的两个多模奇相干态光场在一定条件下完全可分辨。
Two orthogonal multimode odd coherent state light fields with same modulus can be separated completely at certain conditions.
分别用固定长度保偏光纤和可变光延迟线实现偏振模色散(PMD)补偿的实验。
Experiments of compensation for PMD were done using fixed length of PMF and variable optical delay line, respectively.
在场论中,光被纵光学和横光学模的拉曼散射能在一个统一的理论框架内描述。
In our quantum theory, Raman scattering of light by longitudinal and transverse polar modes can be described within a unified theoretical framework.
提出了利用离子交换技术制作多模干涉(mmi)型光功分器的设计方法。
The method to fabricate an optical power splitter with multi-mode interference (MMI) is proposed using ion exchange technology.
针对TM和TE模的入射光,我们采用严格的耦合波原理对金属光栅的表面衍射场进行了计算。
The rigorous couple wave theory is used to quantitatively calculate the diffraction electromagnetic fields for TM-polarized and TE-polarized incident optical wave.
在双模光场情形,模间耦合对产生一阶类相变的影响不可忽略。
For the two-mode laser case the influence of the mode coupling to the first-order-like transition can not been neglected.
集成光学模转换器是光开关,光调制器,光学滤波器的重要组成部分。
Integrated optical mode converter is an important component of optical switches, modulators and filters.
根据理论模型计算了纵模限制因子、阈值增益、光增益、输出功率等特征参数。
We calculated longitudinal confinement factor, threshold gain, optical gain and output power etc through theoretical model.
根据部分相干光的相干模表示法,推导了由部分相干光源所产生光束的相位一空间积Q。
The generalized expression for the phase-space product Q of a beam generated from a partially coherent source is presented by using coherent-mode representation of partially coherent beams.
目的研究四态叠加多模泛函叠加态光场的高次振幅压缩特性。
Aim To study the higher-power amplitude squeezing properties of the four-state superposition multimode functional superposition state light field.
实验研究了该型长周期光纤光栅的压力和温度特性;结合光纤的弹光效应、热光效应和耦合模理论分析了实验结果。
The qualitative analysis of the related experimental results was carried out combining with photo-elastic effect, photo-thermal effect and coupled mode theory.
相干激光雷达接收机中,信号光为平面光经衍射形成的艾里斑,本振光为基模高斯光束,在文章中对两者在探测器光敏面上混频的混频效率进行了讨论。
The mixing efficiency in coherent lidar of an Airy signal field with a Gaussian local-oscillator(LO) is discussed with the consideration of the effect of wavefront matching of both fields.
针对光纤传输中的偏振模色散(PMD)问题,研究和比较了现有PMD的光域补偿方法。
The existing optical domain compensation methods for the Polarization Mode Dispersion (PMD) in fiber-optic transmissions are studied and compared.
本文阐述工作于正、负群速色散区中的光脉冲注入锁模的物理机制的区别。
The article discusses the differences in physical mechanism of mode locking by laser pulse injection between the dispersion region at positive group velocity and that at negative group velocity.
本文第一部分运用耦合模理论推导了在光纤光栅中传播的光的基本传输方程以及给出各个参数的物理意义。
Firstly, basic transmission equation of transmitted light is given using coupled-mode theory in Fiber Bragg Gratings and physics meaning of every parameter is given.
光场光子的统计性质也依赖于系统的初始状态,光场两模之间的相关是一种非经典相关。
The results of the studies indicate that the fluctuations of two quadrature components of light can be squeezed periodically, and this squeezability is related to the initial state of the system.
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。
The threshold gains of different longitudinal modes are modulated by optical feedback. The mode which has the lowest threshold gain can oscillate.
应用推荐