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US08289603B2 Optical pattern generators using axicon segments 有权
光学图案发生器使用三角形段

Optical pattern generators using axicon segments
摘要:
Optical pattern generators use rotating reflective axicon segments to produce images that can have different dimensions along the pattern direction compared to the cross pattern direction. Examples include both single axicon pattern generators and dual axicon pattern generators that independently control the image space relative aperture and thereby control the image dimensions in two orthogonal directions.
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