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Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
January 20, 2009
Patent Application Number
10587120
Date Filed
January 20, 2005
Patent Primary Examiner
Patent abstract
Device for white light interferometry comprising a light source of main emission wavelength λ0 and spectral width Δλ and an evaluating unit with a line sensor of pixel width P for detecting an interference fringe pattern with a fringe spacing F, a mask being placed in front of the line sensor having a periodically modulated light transmittance along said line sensor, characterized in that the period length M of the mask is such as to fulfill the condition
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