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Space-division multiplexing optical coherence tomography apparatus

A technology of optical coherence tomography and optical equipment, which is applied in the field of optical coherence tomography to achieve the effects of improving imaging speed, simplifying the system, and maintaining resolution and sensitivity

Active Publication Date: 2015-08-19
周超
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, there are currently no commercially available wavelength-tunable lasers or high-speed line-scan cameras capable of scanning at this speed

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  • Space-division multiplexing optical coherence tomography apparatus
  • Space-division multiplexing optical coherence tomography apparatus
  • Space-division multiplexing optical coherence tomography apparatus

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Embodiment Construction

[0035] Features and advantages of the invention are described with reference to preferred embodiments. Accordingly, the invention should not be limited to such preferred embodiments which illustrate certain non-limiting features which may exist alone or in combination with other features; the scope of the invention is defined by the appended claims. The description of the preferred embodiments is intended to be read in conjunction with the accompanying drawings, which are a part of this entire written description. The drawings are not necessarily to scale and certain features may be exaggerated in scale or illustrated in diagrammatic form for clarity. Therefore, the size, thickness and spacing of materials and structures of various figures shown in the drawings are not limited by the relative size, thickness and spacing shown in the drawings.

[0036]In the description of the embodiments disclosed in the present invention, all references to directions or positions are for con...

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Abstract

A space-division multiplexing optical coherence tomography apparatus arid system is provided, in one embodiment, the system includes a light source, a reference arm. and a sample arm. The sample arm splits the sampling light into a plurality of sampling beams which may be scanned simultaneously onto a surface of a sample. An optical delay may be introduced into the sampling beams before scanning. A plurality of reflected light signals returned from the sample is collected. In one arrangement, the signals may be combined to produce a single reflected light signal The reflected light sigtial(s) and a reference signal are combined to produce an interference signal comprising data representative of digitized images captured of the actual object, in one embodiment, a single sample arm may be used for scanning and collecting image data. A related method is also provided.

Description

[0001] see related application [0002] This application claims priority to U.S. Provisional Patent Application No. 61 / 734,168, filed December 6, 2012, and U.S. Provisional Patent Application No. 61 / 819,251, filed May 3, 2013; the entire contents of which are hereby incorporated herein as refer to. [0003] Statement of Government Interests [0004] This invention was made with government support under grant R00-EB010071 from the National Institutes of Health (NIH)-National Institute of Biomedical Imaging and Bioengineering (NIBIB). The government has certain rights in this invention. technical field [0005] The present invention relates to tomography, especially optical coherence tomography. Background technique [0006] Optical coherence tomography (OCT) is a novel optical imaging technique that enables micron-scale, cross-sectional, and three-dimensional (3D) real-time imaging of biological tissues in situ. OCT acts like an "optical biopsy", and its tissue microstruc...

Claims

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Application Information

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IPC IPC(8): G01B9/02G01B9/027G01N21/45
CPCG01B9/02027G01B9/02091G01B9/0207G01B9/02019G01B9/02028A61B3/102A61B5/0066
Inventor 周超
Owner 周超
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