查询词典 refractive

The third order nonlinear optical refractive index and nonlinear absorption coefficient are enhanced due to the quantum confinement effects and estimated to be 4×10 -12 m 2/W and 2×10 -5 m/W respectively in nonresonant condition,while 2×10 -11 m 2/W and -1×10 -4 m/W respectively in quasi resonant condition.

结果表明，薄膜的三阶光学非线性折射率系数和非线性吸收系数都由于量子限制效应而大大地增强，在非共振条件下，它们分别约为 4× 10 - 1 2 m2 / W和 2× 10 - 5m/ W，在准共振的条件下，它们分别约为 2× 10 - 1 1 m2 / W和- 1× 10 - 4m/ W。

After fast Fourier transform , the amplitude and phase of the THz pulse wave is given, then the refractive index and absorption of the material in THz region is extracted.

它以THz辐射作为探测源，利用电光采样或光电导采样方法直接记录THz辐射电场的振幅时间波形，通过傅立叶变换得到测量信号振幅和相位的光谱分布，进而获得材料在THz波段的吸收和色散等信息。

Absorption spectrta, fluorescence spectra , linear absorption coefficient, linear refractive index, molecule concentration of liquid samples and thickness of thin films were measured.

对自制的偶氮苯样品作吸收光谱、荧光光谱、线性吸收系数、线性折射率以及液体样品的浓度和薄膜样品的膜厚等的测量。

According to the Kramers-Kronig relation the absorption spectrum change of a sample will cause the refractive index change.

根据Kramers-Kronig变换关系，样品吸收光谱的变化会引起样品折射率的变化。

In 1961 they published the first carrier will be injected into the semiconductor PN junction to achieve the "injection laser" exposition and demonstration in the tunnel diodes as high as in Jane and the PN junction to achieve population inversion (which is Produced by stimulated emission of the necessary conditions for) the possibility, but also that active high-density areas around the most active carrier of the border areas on both sides of the refractive index of a difference, creating optical waveguide effect.

他们又于1961年最先公开发表将载流子注入半导体PN结以实现"注入激光器"的论述，并论证了在如隧道二极管中那样高度简并的PN结中实现粒子数反转(这是产生受激发射的必要条件)的可能性，而且还认为有源区周围高密度的多数载流子造成有源区边界两边的折射率有一差值，因而产生光波导效应。

By use of the feature of the air temperature round the hot cylinder and the relation between the refractive index and the temperature of the air, the surface temperature of it can be determined.

最后，利用热圆柱体附近空气温度分布的特点，以及空气温度和折射率之间的关系，确定圆柱体的表面温度。

In this paper, we analyzed the error of film thickness and refractive index caused by the optical control system, and also analysed the allowable error.

通过对光学监控系统引起的薄膜厚度和折射率的误差进行分析。提出膜系的允差分析。尽量减小由于监控设备引起的误差。

The calculations show that the principle formula error have small influence on the aberrations of an optical system, but as the stundard measurement of a refractive index, so great principle formula error is not allowable.

这样，虽然仪器本身具有高精度的测试性能，但原理公式误差大大地超过了仪器的测试精度，导致错误的测试结果。因此指出原理公式误差，评价其大小，重新推导测量绝对

Secondly, due to the alterability of organic polymer, an instrument is built to measure the film parameters. The instrument utilizes the prism coupling method to measure the refractive index and thickness of the polymeric film.

设备可以对聚合物薄膜同时完成折射率和厚度的测量，具有一定的精度，速度快，可同时应用与各种常用通信波段下的参数测量。

Objective To study the characteristics and role of wavefront aberrations in children with refractive amblyopia.

目的 了解儿童屈光性弱视波前像差的特点，探讨波前像差在屈光性弱视形成中的作用。

This brought fixed cost, but it also is meant at the same time use a source to won't make you singlehanded assume a problem.

这带来了一定的成本，但它同时也意味着使用开源不会让你独力承担问题。

He gained a small fortune in real estate.

他在房地产上发了一笔小财。