Spectroscopy of deeply-scattered light
First Claim
Patent Images
1. A spectroscope comprising:
- first and second fibers;
a first beam-redirector in optical communication with the first fiber, the first beam-redirector being oriented to illuminate a first area;
a second beam-redirector in optical communication with the second fiber and separated from the first beam-redirector by a first separation distance, the second beam-redirector being oriented to illuminate a second area separated from the first area by a second separation distance that exceeds the first separation distance.
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Abstract
A spectroscope includes first and second beam redirectors in optical communication with first and second fibers respectively. The first and second beam redirectors are oriented to illuminate respective first and second areas. The second area is separated from the first area by a separation distance that exceeds the separation distance between the first and second beam redirectors.
22 Citations
28 Claims
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1. A spectroscope comprising:
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first and second fibers;
a first beam-redirector in optical communication with the first fiber, the first beam-redirector being oriented to illuminate a first area;
a second beam-redirector in optical communication with the second fiber and separated from the first beam-redirector by a first separation distance, the second beam-redirector being oriented to illuminate a second area separated from the first area by a second separation distance that exceeds the first separation distance. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 20, 21, 22, 23, 25, 26, 27, 28)
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19. A method for collecting light scattered from behind an arterial wall, the method comprising:
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illuminating an illumination spot on the arterial wall;
pointing a collection-beam redirector away from the illumination spot; and
recovering scattered light incident on the collection-beam redirector.
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24. A method for collecting light scattered from behind an arterial wall, the method comprising:
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pointing a collection-beam redirector at a collection spot on the wall;
pointing a delivery-beam redirector at the wall in a direction away from the collection spot;
passing light through the delivery-beam redirector; and
recovering scattered light incident on the collection-beam redirector.
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Specification