Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
December 28, 2010
Patent Application Number
11667924
Date Filed
November 4, 2005
Patent Primary Examiner
Patent abstract
An optical interference apparatus for carrying out Fourier domain optical coherence tomography. Multiple beams are provided and respective interferograms are recorded simultaneously for a plurality of different focal depths within a substance to be examined. Combined images are derived from the interferograms for a plurality of different focal depths, whereby a single image may be constructed with an increased depth of field. The axial spacing of the foci is calculated to take into account the Rayleigh range of the focal waist in the substance to be examined.
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