grating
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thumb|A metro ventilation grating in Lisbon
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6 sectionsContents
- As filters
- As decking
- Optical grating
- Diffraction gratings
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thumb|A metro ventilation grating in Lisbon
A grating is any regularly spaced collection of essentially identical, parallel, elongated elements. Gratings usually consist of a single set of elongated elements, but can consist of two sets, in which case the second set is usually perpendicular to the first (as illustrated). When the two sets are perpendicular, this is also known as a grid (as in grid paper) or a mesh.
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optics
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lens
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visual perception
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radian
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reflection
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degree
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grater
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optical dispersion
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perpendicularity
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ancient Roman architecture
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parallelism
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sine wave
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