Abstract

The diffractive field distributions of the dark edge on the negative, the edge of the knife and the single edge of the wire were investigated using photo-multiplier system. The results show that the new diffractive formula with the parameters describing the property of the edge of the diffractive object should be established and that the property of the object may be realized by the investigation of the weak diffractive field distribution of the object.

© 2005 Chinese Optics Letters

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