Because the measurement standard of grating system is grating pitch, compared to usual interferometer, diffractive grating, system reduces environment influence on measurement accuracy.

由于光栅干涉测量系统以光栅栅距作为测量基准，相对于传统干涉仪，光栅尺系统受环境因素造成的测量误差影响较小。

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It consists of standard sources integrated sphere, double grating monochromator, detectors, and electronics-microcomputer system.

它由标准光源，积分球，双光栅单色仪，探测器及电子学—计算机系统组成。

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Common gain equalizers include standard optical filter, medium multi-layer thin film filter, fiber grating, and planar waveguide.

现在使用的增益均衡器主要有标准光滤波器、介质多层薄膜滤波器以及光纤光栅和平面光波导等。

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