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AssigneesCanon U.S.A., Inc., The General Hospital Corporation
InventorsDaisuke Yamada, Guillermo J. Tearney
Estimating the term…
One or more devices, systems, methods and storage mediums for performing continuously, full range optical coherence tomography (OCT) without losing A-lines are provided. Examples of such applications include imaging, evaluating and diagnosing biological objects, such as, but not limited to, for cardio and/or ophthalmic applications, and being obtained via one or more optical instruments, such as, but not limited to, optical probes (e.g., common path probes), catheters, endoscopes, phase shift units (e.g., galvanometer scanner) and bench top systems. Preferably, the OCT devices, systems methods and storage mediums include or involve a phase shift device including at least a galvanometer scanner. The galvanometer scanner is preferably applied with or to a voltage with a triangle shape, the voltage having continuity or absolute constant frequency to obtain continuous images without losing any A-lines. The method(s) may include background subtraction, image shifting to compensate phase shifts and a DC noise reduction algorism.
A continuously full-range optical coherence tomography system for continuously acquiring A-line data, the system comprising:
A method for performing continuous full-range optical coherence tomography (“OCT”) using a continuous full-range OCT device or system having a light source, an interference optical system that operates to generate interference light and one or more interference patterns from a light from the light source that has been split into a first light with which an object or sample has been irradiated and a second reference light and one or more detectors, the method comprising:
A method for processing at least one interference or interference pattern signal generated from a continuous full-range optical coherence tomography (“OCT”) device or system having a light source, an interference optical system that operates to generate interference light and one or more interference patterns from a light from the light source that has been split into a first light with which an object or sample has been irradiated and a second reference light and one or more detectors, the method comprising:
Dependencies are inferred from the claim text.