Phase-referenced doppler optical coherence tomography

Details Phase-referenced doppler optical coherence tomography Phase-referenced doppler optical coherence tomography

2006-02-28

2006-02-28

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

Optics: measuring and testing

By light interference

Using fiber or waveguide interferometer

C356S497000

Reexamination Certificate

active

07006232

ABSTRACT:
A phase-referenced Doppler optical coherence tomography (OCT) system includes a low-coherence optical radiation source and a reference source co-propagated to a sample arm and a reference arm. The low-coherence and reference optical radiation reflected from the reference and arms is detected by a pair of detectors, yielding OCT and reference interferometric data output signals. The reference interferometric data output signal can be used to correct the OCT interferometric to yield velocity-indicating images that are free from defects due to sample motion and/or interferometer jitter.

REFERENCES:
patent: 5994690 (1999-11-01), Kulkarni et al.
patent: 6006128 (1999-12-01), Izatt et al.
patent: 6134003 (2000-10-01), Tearney et al.
patent: 6549801 (2003-04-01), Chen et al.

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