查询词典 wavelength

As a result, if the iridescence is produced by thin-film interference, not only the thickness of lamellar structure must be defined within a certain nanometer, but also the refractive index need to be different between lamellar structure. In other words, the chemical composition, refractive index and thickness of exsolution lamellae need form to trinity, such as labradorite, albite, andradite and orthoamphibole. If the iridescent color is produced by grating-diffraction, the lamellar structure just needs to be arrayed regularly, the spacing of the edges of lamellar structure needs to be regular and narrow, but not necessarily within the range of the wavelength of visible light, such as shell of abalone, pearl and opal.

薄膜干涉式晕彩不仅要求宝石内部结构层的厚度必须在一定的纳米范围内，而且结构层内部的折射率也必须有所差别，也即，当结构层由两相组分出溶而成，其化学成分、折射率和结构层厚度形成三位一体时，符合薄膜干涉式晕彩，如拉长石、钠长石、石榴石和角闪石；而光栅式衍射晕彩则仅要求结构层排列规则，边缘狭窄但不需要窄到可见光波长范围内，能使入射光的振幅或位相，或两者同时产生周期性空间调制的结构即可，如鲍贝壳、珍珠和欧泊。

The relation between modified angle and structure angle was given at 303nm, and the relation of the deviation angle with wavelength was also investigated.

以303nm波长为例，给出了修正角与结构角的关系式；还研究了透射光束的偏离角与波长的关系，并通过数值计算软件进行了分析。

For initializing the reference quantity of Bragg wavelength, the vertex angles of the biprism are determined by the 1 diffraction angle of phase mask and the refract index of the biprism.

为了初始化Bragg波长的参考值，双光栅的顶角由相位掩模的1级衍射角和双棱镜的折射率确定。

Based on the principle of grating diffraction, by using television measuring system to measure the offset between the imaging of incident laser and the optical axis to confirm the angle of incidence and the angle of diffraction of the grating, a method of measuring incident laser wavelength in far field with grating is brought up.

依据光栅衍射原理，采用电荷耦合器件CCD作为探测器，通过测量入射激光成像点在电视靶面坐标系中的脱靶量，确定光栅的入射角和衍射角，提出了一种利用固定式平面反射光栅测量远场未知方位入射激光波长的方法。

The results show that the angle of incidence has effect on band-gap width and central wavelength of band gap.

理论计算和实验表明，入射角对光子带隙的宽度和带隙中心波长均有影响。

This distance relates directly to wavelength and depends on the grating groove density and angle of incidence.

这个距离直接与波长有关，并取决于光栅线密度及入射角。

The influence of laser central wavelength variation, polarizer angle error, wave plate phase retardance and angle errors on the whole system is analyzed.

分析了激光器中心波长变动、偏振片的角度误差和波片的相位延迟及角度误差对整个系统的影响。

The wavelength of these waves is measured in a tiny unit called the Angstrom, equal to 1 ten billionth of a meter.

电磁能量，在波浪中旅行。这些波的波长，是衡量一个很小的单位，称为埃，约等于10亿分之一米。

The illumination used, so called soft x rays in the wavelength range of twenty to forty angstroms an angstrom is one ten billionth of a meter

其使用的照明度，即所谓的软性X射线，其波长在20到40埃之间(1米的100亿分之一为1埃)。

We had used the solar spectral data to retrieve the Angstrom turbidity coefficient, the angstrom wavelength exponent, aerosol size distribution.

通过太阳光度计观测的数据，反演出该地区在2002年气溶胶的浊度系数、波长指数、及其粒子谱的分布。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。