截止波长

文中给出了TEM模传输线特性阻抗和波导截止波长的数值计算结果。

Numerical results of characteristic impedance of TEM strip lines and cut-off wavelength of ridged waveguides are given .

椭圆波导与椭圆同轴传输线的截止波长的FDTD法分析

Analysis to the Cut-off Wavelength of Elliptic Waveguide and Elliptic Transmission Line by FDTD method

任意截面波导中TE波的截止波长的一个模拟测量方法

An analog method of measuring the cut-off wavelengths of te waves in waveguides of arbitrary cross-sections

用TLM方法计算TEM小室高次模的截止波长

The Calculation of the Higher Order Modes Cutoff Wavelength in TEM Cells with TLM Method

脉宽15ns的主脉冲激光驱动产生的混合区宽度达到250μm，混合区宽度与RT扰动截止波长比值为67。

The mixing width of 250 microns is yielded in the case of the main pulse with the duration of 15 ns .

PtSi红外探测器截止波长延长研究

Study on Extension of Cut off Wavelength of PtSi Infrared Detectors

熔体外延法生长的截止波长12μm的InAs（0.04）Sb（0.96）的电学性质

Electrical Properties of Melt-Epitaxy-Grown InAs_ ( 0.04 ) Sb_ ( 0.96 ) Layers with Cutoff Wavelength of 12 μ m

应用静电场的观点和导波传输理论，用有限元法（FEM）分别计算了各种复杂截面同轴线特性阻抗、截止波长。

Based on the electrostatic field theory and transmission line theory , characteristic impedance and cut off wavelength of special section coaxial transmission lines are calculated using Finite Element Method ( FEM ) .

本文利用二端网络理论，推出了磁控管谐振点驻波导数与H形输出变换器截止波长之间的关系式。

In this article , 2-terminal network theory is applied to deduce a formula of the relationship between the standing-wave , ratio at the resonance point of a magnetron and the cutoff wavelength of an H-section-guided output transformer .

PtSi肖特基二极管的势垒高度制约PtSi红外探测器的截止波长和量子效率。

The cutoff wavelength and the quantum efficiency of PtSi infrared detector are restricted by its Schottky barrier height .

用熔体外延（ME）法在半绝缘（100）GaAs衬底上成功生长出了截止波长为12μm的InAs0.04Sb0.96外延层。

The InAs_ ( 0.04 ) Sb_ ( 0.96 ) epilayers with a cutoff wavelength of 12 μ m were successfully grown on semi-insulating ( 100 ) GaAs substrates using melt epitaxy ( ME ) .

用微扰方法对非线性波动方程求解，导出了各阶近似下非线性介质膜波导中高阶TE模的色散方程和截止波长。

The nonlinear wave equation was solved with perturbation method . The dispersion equation and the cut-off frequencies of the high-order TE modes in nonlinear dielectric film waveguide were given in different order approximation .

ESI参数是通过测量某一波长下的模斑和截止波长或二个波长下的模斑得到的。

ESI parameters are obtained by measuring spot size at certain wavelength and cut-off wavelength ; and by measuring spot sized at two different wavelengths .

随着KI含量的增加，玻璃外观颜色由深黄色变成浅黄色，结合其可见光谱可知短波吸收限向短波方向移动，由红外透过光谱可知其截止波长无明显变化，为11.5μm。

With the addition of KI , glass colors ranged from red to tint red , which explained the shore-wave absorption edge shifted towards shorter wavelength combined with the visible transmission spectra .

文中还验证了单模光纤的模场直径、截止波长、相对折射率差对OTDR曲线的影响。

In this article , the influences of the mode field diameter , the cutoff wavelength and the relative refractive index difference on the OTDR curve are also verified .

通过使用分子束外延（MBE）生长技术在PtSi／Si界面上加进一足够薄的高掺杂浓度峰（P＋），可使PtSi肖特基红外探测器的截止波长延伸至长波红外范围。

It is described in this paper that the cut-off wave length of PtSi Schottky infrared detector can be extended to long wave-length infrared region by doping process of setting a thin spike with high doping concentration .

计算结果显示：当脊的高度越高，或脊的宽度越窄，或脊的位置越接近中部，TE主模的截止波长就将越长，波导带宽就能增加。

When the ridge height is increased , or the ridge width is increased , or the ridge position is closely middle location , numerical results have shown that dominant-mode cutoff wavelength can be increased and bandwidth can be improved in the ridge waveguide .

玻璃具有较好的化学稳定性，红外截止波长位于11.04μm附近，由Ge-S、Ga-S键多声子吸收引起。

Glasses show excellent chemical stability . The IR cut-off wavelengths of glasses are as long as 11.04 m , and it corresponds to the multiphonon absorption of Ge-S and Ga-S bonds .

同时，我们还发现，在正向倒格矢参与的情况下，非线性极化波的相速度会减小到Cerenkov上转换的相速阈值以下，从而调制型Cerenkov上转换会出现截止波长。

At the same time , we found that , in the condition of forward reciprocal vectors involved , the velocity of nonlinear polarization wave could be decreased down to the threshold of generating Cerenkov up-conversions , which resulted in the appearance of cutoff-wavelength in Cerenkov up-conversion processes .

探测器光谱响应的截止波长都在220～230nm范围，紫外光与可见光的相对响应度相差一个数量级。

The cut off wavelength of spectrum response is around 220 ~ 230 nm and the normalized response of ultraviolet light is one magnitude order higher compared with that of visible light .

研究结果表明，GaF3及CdF1的引入能显著增强该系统玻璃的形成玻璃能力和稳定性，在此研究基础上制得了成玻璃性能较好，透红外截止波长为8.5&9μm的氟化铟基玻璃。

It is found that InF_3-based glass has better glass forming ability and optical property , and the stability of glass is improved by introduction of GaF_3 or CdF_2 . Based on these studies , InF_3-based fluoride glass with a cut-off wavelength of about 9 μ m has been prepared .

由杂质基团Ge-O键引起的红外截止波长在12.8μm附近，红外透过率达80%；

However , the densities increase first and decrease subsequently , and the values are about 2.82 ~ 3.05g/cm3 . The IR cut-off wavelengths are around 12.8 m due to the Ge-O impurities , the transmittance is up to 80 % .

成层介质填充矩形波导的截止波长计算法

Calculation method of cut-off wavelength in rectangular waveguides filled with layer-dielectric

椭圆波导的截止波长和衰减常数的理论计算

Theoretical calculation of cutoff wavelength and attenuation constant in elliptic waveguides

截止波长可以通过脊位置的调整而调整。

The cutoff wavelength can be adjusted by adjusting the ridge position .

一些样品的红外光谱研究表明，铌氟玻璃的红外透过截止波长为8.0μm。

The IR cut-off wavelength of some semples is about 8.0 μ m.

圆突-矩形波导中截止波长及场的近似解

The cutoff wavelength and approximate solved fields of a cam rectangular waveguide

单模单偏振光纤基模截止波长的测量

Fundamental mode cutoff wavelength measurement of single polarization single Mode optical fiber

尿素分子红外光谱与晶体红外吸收截止波长的量子化学研究

Quantum Chemical Studies of IR Spectrum and IR Absorption Edge of Urea Crystal

不对称脊波导截止波长的计算

The Calculation of Cutoff Wavelength of Asymmetric Ridged Waveguide