Quantum optical coherence tomography data collection...

Details Quantum optical coherence tomography data collection... Quantum optical coherence tomography data collection...

2005-04-19

2005-04-19

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

Optics: measuring and testing

By light interference

For dimensional measurement

Reexamination Certificate

active

06882431

ABSTRACT:
The disclosed Quantum Optical Coherence Tomography apparatus and method includes a source of quantum entangled photons and a quantum interference device. The pair of entangled photons is divided into two beams, one of which illuminates a semi-reflective object and the second of which is reflected from a variable optical time-delay element (VTE). The VTE is scanned and the quantum interference in the QID is recorded to build up a reflectance profile of the object. A real scanning produces a full tomographic reflectance image. A method of processing the data to eliminate the effects of optical dispersion is disclosed.

REFERENCES:
patent: 6744518 (2004-06-01), Dress et al.
patent: 6762844 (2004-07-01), Dress et al.

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