Optical coherence tomography system for ocular diagnosis
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United States of America Patent
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Jul 9, 2024
Grant Date -
Jul 22, 2021
app pub date -
Sep 28, 2020
filing date -
Jan 22, 2020
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Abstract
An optical coherence tomography system for ocular diagnosis includes a light source unit generating and transmitting light, a light distribution unit dividing the transmitted light into first light and second light, a reference arm generating first reference light and second reference light, whose optical path length is larger than that of the first reference light, from the first light, a sample arm irradiating the second light onto a central optical axis directed towards the central portion of the eye lens to generate first measurement light and irradiating the second light onto the eye lens in an oblique direction inclined with respect to the central optical axis at a time different from the time when the first measurement light is generated, to generate second measurement light, an interference unit allowing the first reference light to interfere with the first measurement light and the second reference light to interfere with the second measurement light to generate corresponding interference signals, and a detection unit converting the interference signals into electrical signals.
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