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Small step grating

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A diffraction grating with thick groove spacing
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echelette grating
One has Rough groove Spaced diffraction grating 。
Chinese name
Small step grating
Foreign name
echelette grating
Alias
diffraction grating Infrared grating
Type
diffraction grating
echelette grating
One has Rough groove Spaced diffraction grating 。
The side of the groove is relatively flat reflex Most of the radiation Focus on smaller angle Within the range.
such grating For research infrared spectrum It is also called Infrared grating (infrared grating)。
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