METHOD AND SYSTEM OF SPECTRALLY ENCODED IMAGING
First Claim
Patent Images
1. A spectrally encoded imaging device, comprising:
- a light transmission path arrangement which propagates light to illuminate a target object;
a light collection path arrangement having a light collection waveguide which propagates a spectrally encoded portion of said light from said target object to a detector which forms an image of said target object accordingly; and
a diffractive element which spectrally disperses at least one of said light and said spectrally encoded portion;
wherein said light transmission path arrangement and said light collection path arrangement are optically isolated from one another.
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Abstract
A spectrally encoded imaging device having a light transmission path arrangement which propagates light to illuminate a target object, a light collection path arrangement having a light collection waveguide which propagates a spectrally encoded portion of the light from the target object to a detector which forms an image of the target object accordingly, and a diffractive element which spectrally disperses at least one of the light and the spectrally encoded portion. The light transmission path arrangement and the light collection path arrangement are optically isolated from one another.
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Citations
23 Claims
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1. A spectrally encoded imaging device, comprising:
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a light transmission path arrangement which propagates light to illuminate a target object; a light collection path arrangement having a light collection waveguide which propagates a spectrally encoded portion of said light from said target object to a detector which forms an image of said target object accordingly; and a diffractive element which spectrally disperses at least one of said light and said spectrally encoded portion; wherein said light transmission path arrangement and said light collection path arrangement are optically isolated from one another. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A method of imaging a target object, comprising:
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maneuvering a guiding tool having a light collection path arrangement therealong and at least one diffractive element mounted on its tip to a target space via at least one tubular lumen; propagating light toward a target object in said target space via a light transmission path arrangement; using said diffractive element for spectrally disperse at least one of said light and a portion thereof from said target object; and propagating said portion via said light collection path arrangement to a detector which forms an image of said target object accordingly; wherein said light transmission path arrangement and said light collection path arrangement are optically isolated from one another. - View Dependent Claims (16, 17, 18, 19, 20)
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21. A spectrally encoded imaging device, comprising:
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a light transmission waveguide which propagates light to illuminate a target object; a light collection waveguide which propagates a spectrally encoded portion of said light from said target object to a detector which forms an image of said target object accordingly; an elongated tubular guiding member sized and shaped for being guided along a tubular lumen, toward an inner target space, and having an inner lumen for covering said light transmission waveguide and said light collection waveguide and a distal end; and a diffractive element, mounted in said distal end, which spectrally disperses at least one of said light and said spectrally encoded portion; wherein said waveguides are optically isolated from one another.
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22. A spectrally encoded imaging device, comprising:
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a light transmission path arrangement which propagates spectrally encoded light to illuminate a target object; and a light collection path arrangement having a light collection waveguide which propagates a portion of said spectrally encoded light from said target object to a detector which forms an image of said target object accordingly; wherein said light transmission path arrangement and said light collection path arrangement are optically isolated from one another. - View Dependent Claims (23)
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Specification