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Oct image capture device

A technology for image and inspection equipment, which is applied in the fields of eye testing equipment, optical devices, medical science, etc., and can solve the problems of large structural space and inconvenient use

Active Publication Date: 2020-03-31
OCUMAX HEALTHCARE GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In addition, the device takes up a great deal of construction space and is therefore inconvenient to use in confined spaces

Method used

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Embodiment Construction

[0047] The OCT device 15 used to solve said task comprises a short-coherent radiation source (such as a superluminescent light-emitting diode (SLD)) (1), characterized by a corresponding wavelength (400nm-2000nm) and spectral bandwidth (20nm-400nm), so that Run optical coherence tomography (OCT). Furthermore, the OCT device contains optics ( 2 ), by means of which the measurement beam ( 4 ) can be directed in a focused manner toward the measurement target.

[0048] OCT radiation emerges from the radiation source in an OCT output direction A and impinges on the optics. The OCT radiation passes through the optics and exits the exit opening 2a along the exit direction B.

[0049] Alternatively a fast tunable light source with a smaller bandwidth (so-called swept light source) can be used instead of the broadband light source.

[0050] Furthermore, the assembly comprises an OCT detector (3) for recording the backscattered OCT radiation (5) of the measurement beam. In the case o...

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PUM

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Abstract

The invention relates to an OCT examination device for detecting an object by means of optical coherence tomography, comprising an OCT radiation source, which emits an OCT radiation, an OCT beam path,comprising an OCT output direction of the OCT radiation from the OCT radiation source, a housing, which receives the OCT radiation source, an outlet opening of the OCT radiation from the OCT radiation source formed in the housing, an OCT outlet direction of the radiation through the outlet opening, a control unit, which is connected to the OCT radiation source for signaling, in order to detect aplurality of measurement profiles spaced apart from each other in a detection period and to control the OCT radiation source for emitting the OCT radiation within the detection period and in order tokeep the OCT output direction and the OCT emission direction constant in the angle alignment thereof relative to each other during the detection time period.

Description

technical field [0001] The invention relates to an OCT examination device for examining objects by means of optical coherence tomography, comprising an OCT radiation source emitting OCT radiation with a wavelength of 400 nm to 2000 nm and a spectral bandwidth comprising at least A range of 20nm to 400nm, or a narrow bandwidth of less than 20nm to 400nm, wherein the radiation source is tunable such that the narrow bandwidth constitutes a wider bandwidth of 20nm to 400nm by time-staggered emission of waves of different wavelengths; An OCT optical path comprising an OCT output direction of OCT radiation from an OCT radiation source and an OCT input direction of OCT radiation backscattered by an image object; an OCT radiation for receiving backscattered OCT radiation from an OCT radiation source Receiver; housing for receiving an OCT radiation source and an OCT radiation receiver; exit aperture for OCT radiation of the OCT radiation source formed in the housing; backscattered OCT ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B9/02A61B5/00A61B3/10
CPCA61B3/102A61B5/0066G01B9/02091G01B9/02054G01B9/02087G01B9/02041
Inventor H·卢巴奇夫斯基
Owner OCUMAX HEALTHCARE GMBH