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什么是光栅?常见的光栅有几种?

问答题
2022-02-23 22:40
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正确答案
光栅是一种高精度的直线位移传感器,光栅是通过在玻璃或金属基体上均匀刻划很多等节距的线纹而制成的。常见的光栅种类有透射光栅、反射光栅和定向光栅。

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光栅组由栅距相等的标尺光栅和指示光栅组成,指示光栅比标尺光栅长。
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