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Laser three-dimensional imaging simulator

A laser three-dimensional imaging and simulator technology, which is applied in the directions of instruments, teaching models, and electromagnetic wave re-radiation, etc., can solve problems such as the inability to flexibly adjust the simulation distance.

Pending Publication Date: 2022-01-28
哈尔滨新光光电科技股份有限公司
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Problems solved by technology

[0003] An object of the present invention is to solve the defect that the prior art cannot flexibly adjust the simulation distance

Method used

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Embodiment Construction

[0018] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that the relative arrangements of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.

[0019] The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses.

[0020] Techniques, methods and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods and devices should be considered part of the description.

[0021] In all examples shown and discussed herein, any specific values ​​should be construed as exemplary only, and not as limitations. Therefore, other instances of the exemplary embodiment may have dif...

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Abstract

The invention relates to a laser three-dimensional imaging simulator, belongs to the field of three-dimensional imaging simulators, and aims to overcome the defect that the simulation distance cannot be flexibly adjusted in the prior art. The laser three-dimensional imaging simulator comprises a laser, an optical fiber array coupler, an optical fiber array, a liquid crystal spatial light modulator, a spatial filtering optical system, an aperture diaphragm and a tested system, wherein the optical fiber array consists of optical fiber bundles with increasing lengths; the aperture diaphragm is arranged on a focal plane of the spatial filtering optical system; a light beam emitted by the laser is projected to the optical fiber array coupler after being collimated, and enters the optical fiber array after being decomposed; emergent light of the optical fiber array is collimated and then projected to the liquid crystal spatial light modulator; in the light beams output by the liquid crystal spatial light modulator, the light beam passing through the aperture diaphragm is projected to a tested system after being collimated. One application of the invention is the design and manufacturing of the laser three-dimensional imaging simulator.

Description

technical field [0001] The invention relates to the field of three-dimensional imaging simulators, in particular to a laser three-dimensional imaging simulator. Background technique [0002] The prior art such as CN1085357388 discloses a three-dimensional close-range imaging simulator, which uses optical fiber discs of different lengths to simulate optical signal delays at different distances. However, the aforementioned documents cannot flexibly adjust the simulation distance, but set fixed lengths of 41m, 55m, 69m, 83m, and 89m optical fibers. If you want to change the simulation distance, you need to remodel the device and readjust the fiber length so that the device cannot Suitable for a wide range of application scenarios. Contents of the invention [0003] An object of the present invention is to solve the defect that the prior art cannot flexibly adjust the simulation distance. [0004] According to the first aspect of the present invention, a laser three-dimensio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S17/894G01S7/497G09B23/22
CPCG01S17/894G01S7/497G09B23/22
Inventor 杨克君康为民张学如
Owner 哈尔滨新光光电科技股份有限公司
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