Double-sided optical component for forming multi-line light field
By designing Fraunhofer diffraction daman gratings and using nanoimprint technology on optical components, multi-line light fields are formed, solving the problems of large equipment size, high cost, and beam energy loss in existing technologies. This enables the application of efficient and low-cost optical components in equipment such as 3D profilometers.
Patent Information
- Application Number
- CN202520357961.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-04
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2035-03-04
AI Technical Summary
In existing technologies, the combination of multiple light sources and the combination of a single light source with multiple geometric optical element modules result in large equipment size, high cost, complex assembly, and severe beam energy loss, making them unsuitable for laser measurement equipment such as 3D profilometers and 3D scanning imaging equipment.
A double-sided optical component based on Fraunhofer diffraction and a Damman grating design is used. Combined with nanoimprint technology, a single-sided relief structure and a smooth surface are formed. A multi-line light field is formed on the optical component body using a line laser light source.
It improves the overall optical capabilities of optical components, reduces equipment size and cost, and enhances compatibility and optical performance with laser measurement equipment such as 3D profilometers and 3D scanning imaging equipment.
Smart Images
Figure CN223692543U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to optical component technology field especially relates to a double -sided optical component for forming multi -line light field. BACKGROUND
[0002] The device for forming multi -line light field on the market currently usually is a plurality of line laser combination or the geometric optical system that is composed of a plurality of geometric optical element modules.
[0003] Among them, the mode of multiple light source combination uses multiple lasers, and the device structure is relatively large, which is difficult to adapt to many small volume products, and the cost is also high.
[0004] And the mode of single light source matching multiple geometric optical element modules also has the disadvantage of large volume, and the assembly is also relatively complex, which is not suitable for market production, and the light beam will lose a lot of energy after passing through multiple modules in the optical system, which will affect the optical effect of the product to some extent, so that the above two modes cannot be effectively applied to three-dimensional profilometer and 3d scanning imaging devices.
[0005] Therefore, it is necessary to invent a double-sided optical component for forming multi-line light field to solve the above problems. UTILITY MODEL CONTENT
[0006] The utility model discloses a double -sided optical component for forming multi -line light field, effectively improve the whole optical ability, product volume is efficient, realize cost lower, when integrated into three -dimensional profilometer and 3d scanning imaging class device of laser measuring device, it has greater compatibility and cost advantage, to solve the mode of multiple light source combination in the above background art, use multiple lasers, and the device structure is relatively large, which is difficult to adapt to many small volume products, and the cost is also high, and the mode of single light source matching multiple geometric optical element modules also has the disadvantage of large volume, and the assembly is also relatively complex, which is not suitable for market production, and the light beam will lose a lot of energy after passing through multiple modules in the optical system, which will affect the optical effect of the product to some extent, so that the above two modes cannot be effectively applied to three-dimensional profilometer and 3d scanning imaging devices.
[0007] According to one aspect of the present disclosure, the following technical solution is provided: a double-sided optical component for forming multi-line light field, comprising:
[0008] Optical component body;
[0009] One side of the optical component body is provided with a single-sided relief structure;
[0010] The single-sided relief structure is arranged as a diffraction grating based on Fraunhofer diffraction.
[0011] The double-sided optical component for forming a multi-line light field according to at least one embodiment of the present disclosure is provided with a smooth surface on the other side of the optical component body.
[0012] The double-sided optical component for forming a multi-line light field according to at least one embodiment of the present disclosure is manufactured by nanoimprinting.
[0013] The double-sided optical component for forming a multi-line light field according to at least one embodiment of the present disclosure further comprises a line laser light source.
[0014] The double-sided optical component for forming a multi-line light field according to at least one embodiment of the present disclosure is provided with the line laser light source in line with the optical component body.
[0015] The double-sided optical component for forming a multi-line light field according to at least one embodiment of the present disclosure is used for emitting laser light to the optical component body.
[0016] The technical effects and advantages of the present application are as follows:
[0017] The present application is provided with a single-sided relief structure on one side of the optical component body, so that the laser light emitted by the line laser light source can be imaged through the single-sided relief structure after passing through the optical component body, and a complete split light type diffraction light field, i.e., a multi-line light field, is formed on the side of the optical component body away from the line laser light source according to the imaging principle. Compared with the prior art, the present application effectively improves the overall optical capability, the product volume is efficient, the cost is lower, and when integrated into laser measurement equipment such as three-dimensional profilometers and 3d scanning imaging equipment, it has greater compatibility and cost advantage. BRIEF DESCRIPTION OF DRAWINGS
[0018] The accompanying drawings illustrate exemplary embodiments of the present disclosure and together with the description, explain the principles of the present disclosure, wherein the drawings are included to provide further understanding of the present disclosure and are incorporated in and constitute a part of the specification.
[0019] Figure 1 is a perspective view of a double-sided optical component for forming a multi-line light field according to an embodiment of the present disclosure.
[0020] Figure 2 is another perspective view of a double-sided optical component for forming a multi-line light field according to an embodiment of the present disclosure.
[0021] The reference signs in the drawings are specifically as follows:
[0022] 1. Optical element body; 11. Single-sided relief structure; 12. Smooth surface;
[0023] 2. Linear laser light source. DETAILED DESCRIPTION
[0024] For descriptive purposes, the disclosure can use spatially relative terms, such as "below", "beneath", "lower", "under", "above", "over", "higher", and "side" (e.g., as in "sidewall") to describe the relative relationship between one component and another component as illustrated in the figures. The spatially relative terms are intended to encompass different orientations of the device in use, operation, and / or manufacture, for example, the component described as "below" or "beneath" another component or feature can subsequently be positioned "above" the other component or feature as a result of a change in the position of the device in use, operation, and / or manufacture. Thus, the exemplary term "below" can encompass both an orientation of above and below. Moreover, the device can be otherwise oriented (e.g., rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
[0025] Figure 1 is a perspective view of a double-sided optical element for forming a multi-line light field according to an embodiment of the disclosure.
[0026] Figure 2 is another perspective view of a double-sided optical element for forming a multi-line light field according to an embodiment of the disclosure.
[0027] As Figures 1-2 shown, the double-sided optical element for forming a multi-line light field of the disclosure can include an optical element body 1 and a linear laser light source 2 and the like.
[0028] As Figure 1 and Figure 2 shown, in the disclosure, a single-sided relief structure 11 is provided on one side of the optical element body 1, and a smooth surface 12 is provided on the other side of the optical element body 1, wherein the single-sided relief structure 11 is provided as a diffraction grating based on Fraunhofer diffraction.
[0029] Further comprising a linear laser light source 2, the linear laser light source 2 is provided in line with the optical element body 1, and the linear laser light source 2 is used to emit laser light to the optical element body 1.
[0030] Thus, in order to facilitate the laser emitted by the linear laser light source 2 to pass through the optical element body 1, and then be imaged by the single-face relief structure 11, a complete split light type diffraction light field, i.e. a multi-line light field, is formed on the side of the optical element body 1 away from the linear laser light source 2 according to the imaging principle. Compared with the prior art, the overall optical capability is effectively improved, the product volume is efficient, the cost is lower, and when integrated into laser measurement equipment such as a three-dimensional profilometer and 3d scanning imaging equipment, it has greater compatibility and cost advantage.
[0031] In a preferred embodiment, the optical element body 1, the single-face relief structure 11 and the smooth surface 12 are made by nanoimprinting.
[0032] In order to facilitate the optical element body 1, the single-face relief structure 11 and the smooth surface 12 to be integrally formed.
[0033] It should be further noted that the contents not described in detail in the specification belong to the prior art known to those skilled in the art.
[0034] Those skilled in the art should understand that the above embodiments are only for clearly illustrating the present disclosure, and are not intended to limit the scope of the present disclosure. Based on the above disclosure, other changes or modifications can also be made by those skilled in the art, and these changes or modifications are still within the scope of the present disclosure.
Claims
1. A double-sided optical component for forming a multi-line light field, characterized in that Comprising: An optical element body (1); One side of the optical element body (1) is provided with a single-sided relief structure (11); The single-sided relief structure (11) is arranged as a diffraction grating based on Fraunhofer diffraction.
2. The dual-sided optical component for forming a multi-line light field of claim 1, wherein: The other side of the optical element body (1) is provided with a smooth surface (12).
3. The dual-sided optical component for forming a multi-line light field of claim 2, wherein: The optical element body (1), the single-sided relief structure (11) and the smooth surface (12) are made by nanoimprinting.
4. The dual-sided optical component for forming a multi-line light field of claim 3, wherein: Further comprising a linear laser light source (2).
5. The dual-sided optical component for forming a multi-line light field of claim 4, wherein: The linear laser light source (2) is arranged in line with the optical element body (1).
6. The dual-sided optical component for forming a multi-line light field of claim 5, wherein: The linear laser light source (2) is used to emit laser light to the optical element body (1).