Interferometric optical imaging and storage devices

Details Interferometric optical imaging and storage devices Interferometric optical imaging and storage devices

2006-04-04

2006-04-04

Toatley, Jr., Gregory J. (Department: 2877)

Optics: measuring and testing

By light interference

Having wavefront division

Reexamination Certificate

active

07023563

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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