“全自动纳米多孔氧化硅薄膜折射率和厚度测定系统”采用的测量方法是光的反射法，在选用氦氖激光作为、入射光源时，考虑到氦氖激光的单色性不会因为经过分束镜后发生变化；
The automatic system of measurement of the refractive index & thickness of NMSTF applies the reflection method to measure the parameters with the helium-neon laser as the incident light source.
激光具有良好的光学精密性和单色性。
Lasers may be popularly considered the essence of precision optics and purity of color.
激光出现以后，人们获得了高强度、高单色性的相干光源，在许多实际问题中，将遇到繁杂的菲涅耳衍射的计算。
Since laser appeared, pure monochromatic coherent light sources of high intensity have been achieved. In many practical problems, there are miscellaneous Fresnel's diffraction calculations.
激光具有单色性，相干性等一系列极好的特性。
Laser has the characteristics of monochromaticity, coherence and a series of excellent.
光纤耦合半导体激光器输出光场有许多特征：第一，光纤耦合半导体激光器的输出光具有单色性。
Fiber coupled laser diode output light field has many features: first, the fiber coupled laser diode output light is monochromatic.
激光与其它光相比，具有功率高、发散角小、单色性好，输出的光脉冲窄和输出光谱可连续调谐的特点。
Laser compared to other lights has the characteristics of higher power, less divergence Angle, better monochromaticity, shorter light pulse and continuously tunable spectrum output.
激光与其它光相比，具有功率高、发散角小、单色性好，输出的光脉冲窄和输出光谱可连续调谐的特点。
Laser compared to other lights has the characteristics of higher power, less divergence Angle, better monochromaticity, shorter light pulse and continuously tunable spectrum output.
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