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Non-confocal adaptive optical imaging system

A technology of adaptive optics and imaging system, applied in the field of optical detection

Pending Publication Date: 2019-04-30
FOSHAN UNIVERSITY
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Problems solved by technology

At present, there is no application of non-focus imaging in AO-OCT for three-dimensional structural imaging of tissue structures

Method used

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Embodiment Construction

[0021] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0022] Such as figure 1 As shown, due to the optical characteristics of human tissue, the incident light will be refracted or scattered inside the tissue, and the reflected light may not be received by returning to the original path, and part of the light with tissue structure cannot return to the original path to focus Area, while optical imaging systems such as AO-OCT perform structural imaging based on the information of light reflected from the test sample.

[0023] Such as figure 2 As shown, a 4F system is currently used between the sample and the reflected light receiver to adjust the light, and accept the reflected light at the focal point, which means that...

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Abstract

The invention provides a non-confocal adaptive optical imaging system, which comprises a light source, an adaptive optical system, and a reflected light receiving imaging system. Light emitted by thelight source is guided to scan a sample by the adaptive optical system; the reflected light is received by the reflected light receiving imaging system to form an image; and the reflected light receiving imaging system comprises at least two receivers. The reflected light receiving system is optimized and the route for receiving reflected light is changed so that the system can receive non-confocal light and differentiate the non-confocal light from confocal light, which is much stronger than the non-confocal light; the system can receive the light with the shape structure of a detected objectand is capable of carrying out imaging on the shape structure of the detected object according to the light; and thus obtained shape structure of the detected object becomes more clear.

Description

technical field [0001] The invention belongs to the technical field of optical detection, and in particular relates to a non-confocal adaptive optical imaging system. Background technique [0002] Adaptive optics (AO) has a good ability to correct aberrations, making it combined with scanning laser inspection mirror (SLO) and optical coherence tomography (OCT), which can greatly improve the resolution of the system. The AO mainly uses the wavefront sensor to check the wavefront aberration, and adjusts the variable mirror to deform the mirror surface according to the detected wavefront aberration to correct the beam. Now, the imaging technology of AO applied in ophthalmology has become the key research content of ophthalmic imaging technology research at home and abroad. [0003] Morphological imaging of the inner and outer layers of photoreceptor cells or other human tissues is helpful for medical research on the principles of eye diseases. At present, OCT has been widely u...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B3/14
CPCA61B3/0008A61B3/102A61B3/14
Inventor 秦嘉林盛豪安林贺潇高儒将
Owner FOSHAN UNIVERSITY
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