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Conic optic fiber beam large range high resolution flexible imaging method and device

A tapered optical fiber bundle and imaging method technology, applied in the direction of using optical devices, measuring devices, analyzing materials, etc., can solve problems such as large problems in measurement range and speed

Inactive Publication Date: 2007-06-27
ZHEJIANG UNIV
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  • Abstract
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Problems solved by technology

Applying nanometer imaging technology to micrometer imaging, from theoretical methods to effective use of signals, there are big problems in measurement range and speed

Method used

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  • Conic optic fiber beam large range high resolution flexible imaging method and device

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Embodiment Construction

[0022] Below in conjunction with accompanying drawing, the present invention will be further described:

[0023] As shown in Figure 1, the 1310nm laser light emitted by the semiconductor laser enters the optical circulator and the fiber probe in turn, and the light emitted from the fiber probe is irradiated vertically to the surface of the sample to be tested, and the surface of the sample to be tested is received by the fiber probe. The reflected light enters the optical circulator and finally enters the detector. Depending on the height of the surface profile of the sample, the intensity of the reflected light is also different, and the photoelectric signal is also different, so as to obtain the surface information of the object.

[0024] Figure 2 is a diagram of the tapered fiber bundle wide-range high-resolution flexible imaging method device diagram

[0025] The light source 1 is connected to the entrance A of the optical circulator 2 through the first lens 6, the first ...

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Abstract

Extensive, high performance, fast, direct imaging flexible image transmission system with high resolution and high visibility is developed based on flexible cone shaped optical fiber bundle together with assorted optical, mechanical and electric precise detection technique. In the image transmission system, resolution of pixel reaches to 1 micro, blind zone is eliminated, and scanning range reaches to hundreds of micro to scores of millimeter. The system is in high speed and is capable of adapting to different fluctuant surface to obtain sharp image. The invention is applicable to photon technique developing in high priority in current world, MEMS system, cyto diagnosis areas etc.

Description

technical field [0001] The invention relates to micron-level imaging technology, in particular to a tapered optical fiber bundle wide-range high-resolution flexible imaging method and device. Background technique [0002] Optical fiber is a new type of functional material developed in this century. In the past two decades, optical fiber has been widely used in communication and non-communication fields. The application fields of non-communication optical fibers are quite extensive. In summary, its functional applications are in the following three aspects, namely light transmission, image transmission and sensing. The bending flexibility of optical fiber and the advantages of transmitting high-brightness luminescence make it widely used in medicine. [0003] In order to achieve large-scale and fast imaging, image beams have emerged on the basis of single or several optical fiber imaging. The manufacture of the flexible optical fiber image transmission bundle is to first a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N13/10A61B1/05G01B11/24
Inventor 吴兰王世明徐向东朱韧丁志华严小青
Owner ZHEJIANG UNIV