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US 7,447,408 B2Granted
Imaging system and related techniques
AssigneeThe General Hospital Corporation
InventorsBrett E. Bouma, Guillermo J. Tearney, Dvir Yelin
Life of this patent
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Abstract
A method and apparatus for imaging using a double-clad fiber is described.
Claims7
An arrangement comprising:
- a light transmission path arrangement which includes at least one of an optical fiber or an optical waveguide for propagating at least one electro-magnetic radiation, to illuminate a sample, the light transmission path arrangement including a first fiber cladding region;
- and
- a light collection path arrangement which is separate from the light transmission path arrangement and configured to propagate at least one further radiation received from the sample, the light collection path arrangement including a particular fiber core and a second fiber cladding region, wherein the first fiber cladding region is at least one of coupled to or surrounding the particular fiber core.
An optical system for spectrally-encoded imaging, comprising:
- a light source;
- a beam splitter configured to intercept light transmitted by the light source;
- a double clad fiber configured to intercept light directed thereto by the beam splitter and to allow light to propagate along a first light transmission path thereof;
- a collimating lens configured to intercept light from the double clad fiber;
- and
- an imaging probe configured to receive light directed thereto from the collimating lens and including a second light transmission path to direct light toward the sample and a light collection path to receive light reflected from the sample,
- wherein the double clad fiber includes (i) a first fiber cladding region configured to propagate the light to be received by the sample, and (ii) a fiber core region and a second fiber cladding region different from the first fiber cladding region and configured to propagate the light reflected from the sample.
4 more elements
An arrangement comprising:
- at least one of an optical fiber or an optical waveguide including a fiber core,
- a first fiber cladding and a second fiber cladding which is different from the first fiber cladding,
- wherein the first fiber cladding is configured to propagate at least one electro-magnetic radiation to illuminate a sample, and
- wherein the fiber core and the second fiber cladding are configured to propagate at least one further radiation received from the sample.
1 more element
Dependencies are inferred from the claim text.