CN207502758U - Single-row multiple rows of equivalent negative refractive index flat plate lens - Google Patents
Single-row multiple rows of equivalent negative refractive index flat plate lens Download PDFInfo
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- CN207502758U CN207502758U CN201721714921.XU CN201721714921U CN207502758U CN 207502758 U CN207502758 U CN 207502758U CN 201721714921 U CN201721714921 U CN 201721714921U CN 207502758 U CN207502758 U CN 207502758U
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- optical waveguide
- multiple rows
- refractive index
- plate lens
- negative refractive
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Abstract
The utility model provides a kind of single-row multiple rows of equivalent negative refractive index flat plate lens, a pair of of glass window including being respectively provided with two optical surfaces, and two groups of optical waveguide arrays between two glass windows, the optical waveguide array is made of optical waveguide of 45 ° of diagonally disposed single-row multiple rows of and cross sections for rectangle, and the wave guide direction that two groups of optical waveguide arrays correspond part is mutually perpendicular to.The flat-plate lens that the utility model is reconfigured by special accurate microstructure, use single-row multiple rows of and cross section to form array structure for the optical waveguide of rectangle, and two dimension or three-dimensional light source can be made directly to realize real hologram into real image in air.
Description
Technical field
The utility model is related to optical technical fields, and in particular to a kind of equivalent negative index for being used to implement air imaging
Flat-plate lens.
Background technology
With the development of imaging display techniques, the characteristic requirements of imaging are continuously improved.On the one hand requirement has higher solution
Picture, while ensureing observation image sharpness, it is also necessary to meet small distortion requirement.On the other hand requirement has 3 D stereo display spy
Property while, have naked eye three-dimensional holography display requirement.Existing imaging technique on the one hand, mainly using lens imaging, mainly
Limited by visual field and aperture, there are optical aberrations such as spherical aberration, coma, astigmatism, the curvature of field, distortion, aberration, big visual field,
Large aperture imaging display field is limited larger.On the other hand, most of existing naked eye three-dimensional display technology is left based on adjusting
Right eye disparity realizes three-dimensional sense organ rather than practical dimension display technologies.And holographic imaging technology, cost of manufacture are high.
Utility model content
In order to pursue better display effect and Product Experience, the utility model provides a kind of achievable three-dimensional imaging
The equivalent negative refractive index flat plate lens of display.
In order to solve the above technical problems, the utility model adopts the following technical solution：
A kind of single-row multiple rows of equivalent negative refractive index flat plate lens, a pair of of windowpane including being respectively provided with two optical surfaces
Mouthful and two groups of optical waveguide arrays between two glass windows, the optical waveguide array it is diagonally disposed single-row more by 45 °
The optical waveguide composition of row and cross section for rectangle, the wave guide direction that two groups of optical waveguide arrays correspond part are mutually perpendicular to.
Further, quadrature arrangement between the optical waveguide in two groups of optical waveguide arrays.
Preferably, the wide W in the cross section of single optical waveguide01With the long H in cross section01, meet 0.2mm<W01=H01<5mm。
Preferably, single optical waveguide is coated with reflectance coating along the one or both sides of its arragement direction.
Preferably, it is both provided with light-sensitive emulsion between adjacent optical waveguide and between optical waveguide and glass window.
By above technical scheme it is found that the flat-plate lens that the utility model is reconfigured by special accurate microstructure,
Single-row multiple rows of and cross section is used to form array structure for the optical waveguide of rectangle, two dimension or three-dimensional light source can be made directly in sky
In gas real hologram is realized into real image, it is real while big visual field, large aperture, high-resolution, undistorted, non-dispersive is realized
Existing naked eye three-dimensional stereoscopic display characteristic, machinability is high, adjustment is convenient, at low cost.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the schematic diagram of optical waveguide array in the utility model；
Fig. 3 is structure diagram of the adjacent optical waveguides on arragement direction in optical waveguide array；
Fig. 4 is the top partial schematic diagram of the utility model；
Fig. 5 is optical waveguide internal light principle of reflection figure in embodiment；
Fig. 6, Fig. 7 are that single group optical waveguide one direction is imaged convergence of rays schematic diagram in embodiment；
Fig. 8 is the schematic diagram that veiling glare beam is covered in imaging surface pixel region after optical waveguide in embodiment；
Fig. 9 be in embodiment optical waveguide move up rear A, B light beam move towards schematic diagram；
Figure 10 is that C light beams move towards schematic diagram after optical waveguide rotates 45 ° in embodiment；
Figure 11 is imaging schematic diagram after two groups of optical waveguide arrays combinations in embodiment.
Specific embodiment
A kind of preferred embodiment of the utility model is described in detail below in conjunction with the accompanying drawings.
As shown in Figure 1, equivalent negative refractive index flat plate lens include 1, two group of the first glass window successively from the object side to the image side
2 and second glass window 3 of optical waveguide array.The first glass window and the second glass window are respectively provided with two optical surfaces, main
It is used to protect optical waveguide array, the optical waveguide array 2 is made of optical waveguide of the single-row plurality of rows of cross section for rectangle, two groups
Optical waveguide array corresponds quadrature arrangement between the optical waveguide of part, realizes that wave guide direction is mutually perpendicular to so that orthogonal two
Direction light beam converges at a bit, and ensures that image face is symmetrical relative to equivalent negative refractive index flat plate lens, generates equivalent negative refraction
Rate phenomenon realizes flat-plate lens imaging.
As shown in Figures 2 and 3, first group of optical waveguide array 21 by be in 45 ° of lower left side by side and cross section be rectangle light
Waveguide forms, and second group of optical waveguide array 22 is by being in 45 ° of lower right side by side and cross section is formed for the optical waveguide of rectangle, light wave
Material is led with light refractive index n1, n1>1.4, it is each to join by two interfaces between each optical waveguide optical waveguide adjacent thereto
It is engaged between face by light-sensitive emulsion 4, light-sensitive emulsion thickness is T1, T1>0.001mm.It is also equipped between optical waveguide and glass window photosensitive
Glue, with reference to Fig. 4, for avoiding damage to total reflection condition.
On optical waveguide arragement direction, reflectance coating 5 is plated on each optical waveguide unilateral side or both sides, prevents light because incomplete
It reflects and enters influence imaging in adjacent optical waveguides.
The wide W in cross section of single optical waveguide01With the long H in cross section01, meet 0.2mm<W01=H01<5mm.In large screen display
When can realize large scale demand by splicing polylith optical waveguide array.The global shape of optical waveguide array is according to application scenarios
It needs to set, in the present embodiment, two groups of optical waveguide arrays are integrally in rectangular configuration, and two diagonal optical waveguides are triangle, intermediate
Optical waveguide for trapezium structure, the length of single optical waveguide differs, positioned at the cornerwise waveguide lengths longest of rectangle, both ends
Waveguide lengths are most short.
It is illustrated below by the image-forming principle of Fig. 5-11 pairs of the utility model：
Light is through equivalent negative refractive index flat plate lens optical waveguide internal reflection, there are one or many reflections (with reference to Fig. 5),
Fiber optic bundle into single optical waveguide is divided into four beams after reflection, and a branch of to participate in imaging, three beams, which is formed, interferes veiling glare, respectively A,
B and C, the situation that imaging surface pixel region is covered in after optical waveguide are as shown in Figure 8.As shown in Figure 6,7, object space light passes through
After equivalent negative refractive index flat plate lens, corresponding object point is converged to respectively on the straight line parallel with optical waveguide long side, into point pair
Line effect.With reference to Figure 11, in order to realize that both direction is met at a bit, that is, realize equivalent negative refractive index flat plate lens it is point-to-point into
As effect, two groups of optical waveguides are used in combination, you can object is imaged, imaging effect and tablet made of material with negative refractive index
Lens are consistent.In order to avoid veiling glare shown in Fig. 8 influence be imaged, need to by two groups of optical waveguide array directions along 45 ° of directions and mutually just
Arrangement is handed over, is influenced so as to eliminate veiling glare, concrete principle is as follows：
During the combination of two groups of optical waveguides, each unit of formation can be equivalent such as square R in figure, and single equivalent square can will
Light beam is divided into 4 parts, and wherein D light participates in imaging, and light beam A, B, C are veiling glare, and Fig. 8 shows the imaging of a, b, c group, veiling glare
Beam A, B, C are covered in imaging surface region after optical waveguide.As shown in figure 9, optical waveguide counterbody is moved up, A, B light are avoided
Imaging surface is influenced, but the image planes of C light covering at this time, the equivalent rectangular optical waveguide is then rotated 45 ° around center, such as Figure 10 institutes
Show, interference of A, B, C light to imaging surface can be avoided simultaneously.The final imaging effect of the image-forming principle is made with material with negative refractive index
Flat-plate lens it is consistent.
Embodiment described above is only that the preferred embodiment of the utility model is described, not to this practicality
Novel range is defined, and under the premise of the spirit of the design of the utility model is not departed from, those of ordinary skill in the art are to this
The various modifications and improvement that the technical solution of utility model is made should all fall into the guarantor that claims of the utility model determine
In the range of shield.
Claims (5)
1. a kind of single-row multiple rows of equivalent negative refractive index flat plate lens, which is characterized in that one including being respectively provided with two optical surfaces
Two groups of optical waveguide arrays to glass window and between two glass windows, the optical waveguide array are diagonally disposed by 45 °
Single-row multiple rows of and cross section formed for the optical waveguide of rectangle, the wave guide direction that two groups of optical waveguide arrays correspond part is mutual
Vertically.
2. single-row multiple rows of equivalent negative refractive index flat plate lens according to claim 1, which is characterized in that two groups of optical waveguide battle arrays
Quadrature arrangement between optical waveguide in row.
3. single-row multiple rows of equivalent negative refractive index flat plate lens according to claim 1 or 2, the cross section of single optical waveguide are wideIt is long with cross section, meet。
4. single-row multiple rows of equivalent negative refractive index flat plate lens according to claim 1 or 2, which is characterized in that single light wave
It leads and is coated with reflectance coating along the one or both sides of its arragement direction.
5. equivalent negative refractive index flat plate lens according to claim 1 or 2, which is characterized in that between adjacent optical waveguide
And light-sensitive emulsion is both provided between optical waveguide and glass window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721714921.XU CN207502758U (en) | 2017-12-09 | 2017-12-09 | Single-row multiple rows of equivalent negative refractive index flat plate lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721714921.XU CN207502758U (en) | 2017-12-09 | 2017-12-09 | Single-row multiple rows of equivalent negative refractive index flat plate lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207502758U true CN207502758U (en) | 2018-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721714921.XU Ceased CN207502758U (en) | 2017-12-09 | 2017-12-09 | Single-row multiple rows of equivalent negative refractive index flat plate lens |
Country Status (1)
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110045458A (en) * | 2019-05-21 | 2019-07-23 | 上海先研光电科技有限公司 | A kind of optical lens |
| CN110208902A (en) * | 2019-05-21 | 2019-09-06 | 上海先研光电科技有限公司 | A kind of flat-plate lens for imaging |
| CN112213805A (en) * | 2020-09-03 | 2021-01-12 | 核桃智能科技（常州）有限公司 | Tooth-shaped optical waveguide unit array lens |
| JP2022521948A (en) * | 2019-05-21 | 2022-04-13 | 安徽省東超科技有限公司 | Optical lens |
-
2017
- 2017-12-09 CN CN201721714921.XU patent/CN207502758U/en not_active Ceased
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110045458A (en) * | 2019-05-21 | 2019-07-23 | 上海先研光电科技有限公司 | A kind of optical lens |
| CN110208902A (en) * | 2019-05-21 | 2019-09-06 | 上海先研光电科技有限公司 | A kind of flat-plate lens for imaging |
| JP2022521948A (en) * | 2019-05-21 | 2022-04-13 | 安徽省東超科技有限公司 | Optical lens |
| EP3936911A4 (en) * | 2019-05-21 | 2022-05-04 | Anhui Easpeed Technology Co., Ltd. | Optical lens |
| JP7224483B2 (en) | 2019-05-21 | 2023-02-17 | 安徽省東超科技有限公司 | optical lens |
| US11982838B2 (en) | 2019-05-21 | 2024-05-14 | Anhui Easpeed Technology Co., Ltd. | Optical lens |
| CN112213805A (en) * | 2020-09-03 | 2021-01-12 | 核桃智能科技（常州）有限公司 | Tooth-shaped optical waveguide unit array lens |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| IW01 | Full invalidation of patent right | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20200324 Decision number of declaring invalidation: 43698 Granted publication date: 20180615 |