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Interferometric Grating Projection System Disclosure Number: IPCOM000052196D
Original Publication Date: 1981-May-01
Included in the Prior Art Database: 2005-Feb-11

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Frosch, A Jaerisch, W Makosch, G [+details]


Grating-like intensity patterns with large dimensions are required in many optical fields, such as metrology. Such patterns can be generated by bringing to interference two parallel beams including a small angle between their directions of propagation.