US Patent 7023563 Interferometric optical imaging and storage devices
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Patent abstract
An interferometric optical device divides a beam into two beam portions by wavefront division and produces a tunable phase difference between them. Next a sample and a reference reflector reflect the beam portions respectively. Then interference between the reflected beam portions is used for topography, tomography, and readout of multi-layer optical data storage media.
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Patent Inventor Names
Chian Chiu Li0
Date of Patent
April 4, 2006
0Patent Application Number
103675100
Date Filed
February 14, 2003
0Patent Primary Examiner
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US Patent 7023563 Interferometric optical imaging and storage devices
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