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Aspheric lenses

The curvature radius of an aspherical lens continuously changes from the center to the edge with the change of the main optical axis

隐藏域元素占位

Waveplates

The waveplates,also known as phase delay plates,are optical devices made of birefringent materials

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Beamsplitters

The beamsplitter is the optical component,which divide a beam into two or multiple according to a certain reflection and transmission ratio

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