CN108287380A - A kind of integrated bionic compound eyes of 360 ° big visual field - Google Patents
A kind of integrated bionic compound eyes of 360 ° big visual field Download PDFInfo
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- CN108287380A CN108287380A CN201711125765.8A CN201711125765A CN108287380A CN 108287380 A CN108287380 A CN 108287380A CN 201711125765 A CN201711125765 A CN 201711125765A CN 108287380 A CN108287380 A CN 108287380A
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- optical fiber
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- compound eyes
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/0006—Arrays
- G02B3/0012—Arrays characterised by the manufacturing method
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/0006—Arrays
- G02B3/0037—Arrays characterized by the distribution or form of lenses
- G02B3/0056—Arrays characterized by the distribution or form of lenses arranged along two different directions in a plane, e.g. honeycomb arrangement of lenses
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/04—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings formed by bundles of fibres
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Abstract
The invention discloses a kind of 360 ° big visual fields to integrate bionic compound eyes, specially：Not assign the curved surface fibre faceplate of optical fiber to make dimpling lens optical waveguide array as substrate, and the two is made to detach.Then by the dimpling lens array of separation and the curved surface fibre faceplate of optical fiber is assigned to carry out gluing using photosensitive resin.The other end of optical fiber is connected with ultraviolet source, and ultraviolet light is exposed the photosensitive resin on curved surface fibre faceplate surface, dries afterwards after thang-kng, is formed self aligned bionical " crystalline cone " with dimpling lens；Then optical fiber and ultraviolet source are disconnected, are connected to photodetector, photodetector is placed in inside curved surface fibre faceplate, and curved surface fibre faceplate is spliced, and is closed, and is formed spherical 360 ° big visual field and is integrated bionic compound eyes.Or directly there is the optical fiber of dimpling lens arrangement in preparation end face, is then inserted into curved surface fibre faceplate, then optical fiber is connected to photodetector, finally splices curved surface fibre faceplate, closed integrates bionic compound eyes at spherical 360 ° big visual field.The bionic compound eyes are bionical " optic nerve " using optical fiber fabrication, and the dimpling lens of fiber end face are bionical " cornea ", and autoregistration light-sensitive material is formed bionical " crystalline cone ", and photodetector is bionical " retina ", with external computer by the way of wireless communication.Entire bionic compound eyes have the characteristics that Highgrade integration, 360 ° big visual field, light-weight, size is controllable, wireless communication.
Description
(1) technical field
The present invention relates to optical bionic compound eye field, specifically a kind of 360 ° big visual field integrates the preparation of bionic compound eyes.
(2) background technology
Compound eye is a kind of eyes being made of many ommatidiums, comes across among the animals such as insect and shell-fish more.Although one
The identification of a ommatidium is extremely limited, but many ommatidiums are combined the ability of the compound eye of composition in all respects and will much be won
Human eye is crossed, for example, human eye is per second can only to differentiate 24 width images, and compound eye can then reach thousands of up to a hundred, therefore our daily lifes
It is middle to pat what fly often failed.
Bionic compound eyes have the advantages that light-weight, small, high sensitivity, visual field are big, although developing history is short,
The fields such as military affairs, medicine all have fabulous performance.The structure of bionic compound eyes is broadly divided into plane and curved face type etc., plane
It is mainly made of dimpling lens plane array and optical confinement layer, curved face type is then dimpling lens curved surface array and optical confinement layer.By
It is limited in manufacture craft, and the relationship of cost of manufacture, current research are mostly more with plane bionic compound eyes.However curved surface is bionical
The visual angle of compound eye is more than the bionic compound eyes of plane, and effect is more preferable.
The making of curved surface bionic compound eyes usually first uses drip method or curved surface photoetching technique to make dimpling in substrate
Lens array, then it is directed at coupling with waveguide array or diaphragm array.
It is micro- that plane PDMS dimpling lens arrays by air pressure change are become curved surface PDMS by U.S. Ki-Hun Jeong et al.
Convex lens array successfully obtains curved surface SU-8 glue dimpling lens arrays.SU-8 glue have self-focusing effect, obtained after exposure with thoroughly
The self aligned waveguide array of mirror.
Current artificial bionic compound eye needs with polymer material the saturating of between two adjacent ommatidiums establishing protective
Bright wall obtains higher resolution ratio to reduce the overlapping of pixel with this.Optical fiber is dry with light-weight, small, anti-electromagnetism
It disturbs, the advantages that message capacity is big, signal decaying is small, is like the optic nerve of animal vision system in signal transmission system,
Therefore great attention is received in bionic compound eyes field.
The multiple aperture imaging system for the available airborne platform that BAE system house of Britain proposed in 2007 is using spherical surface
The miniature multiple aperture compound eye video camera that dimpling lens array, ccd sensor and fibre faceplate F0FP are constituted.China Tan Xue spring is equal to
The novel optical compound eye of design in 2011 receives system, and conducted using optical fiber.
Present invention combination curved surface bionic compound eyes and fiber optic conduction advantage propose that a kind of 360 ° big visual field integrates bionic compound eyes.
Precise positioning, good imaging may be implemented in the product, is conducive to push the application of optical fiber and compound eye in real life.
(3) invention content
It is integrated imitative it is an object of the invention to prepare the 360 ° big visual field of a kind of comprehensive precise positioning, high coupled optical power
Raw compound eye.The functions such as omnidirectional images shooting or video monitoring may be implemented.The system can be used for all kinds of safety-protection systems, or even can
It finds a view for the outer space.
In order to achieve the above objectives, the technical scheme is that：
Technical solution 1：
It is used without and the curved surface fibre faceplate of optical fiber is assigned to do substrate, make dimpling lens optical waveguide array, solidification separation
The dimpling lens array for constituting biomimetic cornea is obtained afterwards.
The preparation process of biomimetic cornea：
Prepare not assigning the curved surface fibre faceplate of optical fiber to deposit poly- two on it using fibre faceplate as substrate first
Methylsiloxane, solidification separation, obtains dimethyl silicone polymer dimpling lens array, with the bionical of this dimpling lens array construction
" cornea " completes, which has the characteristics that simple and practicable, Aligning degree is high.
It repeats the above steps, obtains the dimpling lens array for different curve fibre faceplate.
Above-mentioned dimpling lens array needs to assign the curved surface fibre faceplate pair of optical fiber with same size, shape after carrying out
It connects, realizes dimpling lens array and optical fiber, the i.e. butt-joint of biomimetic cornea and bionical optic nerve.Photosensitive resin is used when docking
Gluing is carried out, the optical fiber other end in fibre faceplate is connected with ultraviolet source after glued, to the photosensitive resin of fiber end face
Uv-exposure is carried out, is dried after then being carried out to photosensitive resin, the autoregistration waveguide battle array of photosensitive polymer perforation can be thus obtained
Row, and keep biomimetic cornea highly integrated integrated with bionical optic nerve.
The above-mentioned fibre faceplate for being integrated with biomimetic cornea and bionical optic nerve is spliced into 360 ° of spherical shapes, by optical fiber before splicing
It is detached with ultraviolet source, the photodetector placed with inside is connect.
Technical solution 2：
Using the methods of optical fiber lapping technology, laser miniature carving, chemical attack, chemical deposition to fiber end face processing, make
Outlet face has the optical fiber of dimpling lens arrangement.
Special fiber is inserted into curved surface fibre faceplate, the fiber facet for being integrated with biomimetic cornea and bionical optic nerve is obtained
Plate.
Optical fiber is connect with the photodetector that inside is placed, then fibre faceplate obtained is spliced into 360 ° of spherical shapes.
In the present invention, prepared dimpling lens array (the dimpling lens arrangement of fiber end face) is equivalent in vision system
" cornea ", and optical fiber is equivalent to " optic nerve ", and light irradiates external object, is converged in optical fiber and is passed by dimpling lens
It is defeated.The photodetector at spherical bionic compound eyes center is equivalent to " retina " and carries out signal acquisition, conversion to optical signal.
The present invention has the following advantages：
(1) since optical fiber has the characteristics that light-weight, small, optical transmission efficiency is good, strong antijamming capability, so of the invention
In light-weight, small, the repeated advantage high, array is uniform of curved surface bionic compound eyes.
(2) 360 degree of big visual fields, omnibearing imagings can be achieved in the present invention.
(3) biomimetic cornea (dimpling lens) and bionical optic nerve (optical fiber) and bionical retina (photodetector) complete one
Body has the characteristics that high integration.
(4) photodetector is placed in inside spherical bionic compound eyes, and signal is transmitted by radio communication with the external world after fixing.It is whole
A bionic compound eyes light weight, not huge redundant apparatus, volume can be as small as centimetres.
(5) present invention is a integrated system, has extraordinary foreground in monitoring, target imaging etc..
(4) it illustrates
Fig. 1 is the flow chart of 1 step of case study on implementation of the present invention
Fig. 2 is the dimpling lens array prepared in case study on implementation 1
Fig. 3 is that the 360 ° big visual field of one kind that case study on implementation 1 makes integrates bionic compound eyes simplified cross-sectional views
Fig. 4 is the special fiber structure chart that a butt face has dimpling lens arrangement in case study on implementation 2
Fig. 5 is that the 360 ° big visual field of one kind that case study on implementation 2 makes integrates bionic compound eyes simplified cross-sectional views
(5) specific implementation mode
The present invention is described in more detail below in conjunction with the accompanying drawings：
The present invention is a kind of preparation of the integrated bionic compound eyes of 360 ° big visual field, which includes curved surface bionic compound eyes, optical fiber
Imaging system and photoelectric detector.1 step of case study on implementation is as shown in Figure 1, the 360 ° big visual field made integrates bionic compound eyes such as
Shown in Fig. 3.The optical fiber that case study on implementation 2 uses is the single-core fiber that end face as shown in Figure 4 has dimpling lens arrangement, is made
360 ° big visual field integrate bionic compound eyes it is as shown in Figure 5.
Case study on implementation 1
The preparation method of biomimetic cornea is as follows：
It is used without and the curved surface fibre faceplate of optical fiber is assigned to do substrate, deposit dimethyl silicone polymer, solidification point on it
From, obtain dimethyl silicone polymer dimpling lens array, as shown in Fig. 2, with this dimpling lens array construct bionical " cornea "
It completes.
Above-mentioned dimpling lens array needs to assign the curved surface fibre faceplate pair of optical fiber with same size, shape after carrying out
It connects, realizes dimpling lens array and optical fiber, the i.e. butt-joint of biomimetic cornea and bionical optic nerve.Photosensitive resin is used when docking
Gluing is carried out, the optical fiber other end in fibre faceplate is connected with ultraviolet source after glued, to the photosensitive resin of fiber end face
Uv-exposure is carried out, is dried after then being carried out to photosensitive resin, the autoregistration waveguide battle array of photosensitive polymer perforation can be thus obtained
Row, and keep biomimetic cornea highly integrated integrated with bionical optic nerve.
Dimpling lens array is prepared not assign the curved surface fibre faceplate of optical fiber as substrate template, dimpling lens can be used poly-
Dimethyl siloxane makes, it is also possible to which other photosensitive polymers cure to obtain.Photosensitive resin uses SU-8 glue.Ultraviolet light passes through light
Fibre transmission, by dimpling lens focus, is exposed SU-8 glue.
Spherical optical fibre panel is spliced by curved surface fibre faceplate of different sizes, by optical fiber and internal placement before splicing
Photodetector connects.It is as shown in Figure 4 that the integrated bionic compound eyes of the first 360 ° big visual field are obtained after splicing.
Case study on implementation 2
Using the methods of optical fiber lapping technology, laser miniature carving, chemical attack, chemical deposition to fiber end face processing, make
Outlet face has the special fiber of dimpling lens arrangement, special fiber structure as shown in Figure 4.Special fiber is inserted into curved surface optical fiber
In panel, the fibre faceplate for being integrated with biomimetic cornea and bionical optic nerve is obtained.
Spherical optical fibre panel is spliced by curved surface fibre faceplate of different sizes, by optical fiber and internal placement before splicing
Photodetector connects.It is as shown in Figure 5 that the integrated bionic compound eyes of second 360 ° big visual field are obtained after splicing.
Bionic compound eyes are integrated in the 360 ° shown in fig. 5 big visual fields of Fig. 3 (to need due to drawing, to the ommatidium on bionic compound eyes
Number largely delete, and when practical application, the ommatidium number on bionic compound eyes will be far more than on image) in, Mei Ge little
All then an optical fiber, the exit end of optical fiber are all connected to again on oculocentric photodetector eye.No matter compound eye is located at where,
Some total ommatidium can receive the reflected light of external object, these reflected lights enter fibre core by dimpling lensed endface, lead to
It crosses total reflection principle to be transmitted in fiber core, finally be projected in the exit end of optical fiber.CCD or other photodetectors connect
After receiving optical signal, it can be imaged.The reflected light of external object by multiple ommatidiums most Zhongdao photodetector at
Picture, for external object, bionic compound eyes can receive the reflected light of its any direction, and photodetector is placed in spherical bionical
Inside compound eye, signal transmission is carried out using wireless communication with external computer or processor.
Although specifically describing the case study on implementation of the present invention, those skilled in the art should be readily apparent that this is simultaneously
It is not used in the limitation present invention, if within the spirit and principle not from described claims, is done in form and details
Any modification, improvement, agreement replacement etc., are protection scope of the present invention.
Claims (9)
1. a kind of integrated bionic compound eyes of 360 ° big visual field, it is characterised in that the bionic compound eyes include：Biomimetic cornea, it is bionical to regard god
Through bionical retina；Three becomes one, can big view field imaging, carry out signal biography by radio communication with external computer
It passs.
2. biomimetic cornea according to claim 1, it is characterised in that：Using dimpling lens array as biomimetic cornea.
3. bionical optic nerve according to claim 1, it is characterised in that：Using optical fiber as bionical optic nerve.
4. bionical retina according to claim 1, it is characterised in that：Using CCD or other photodetectors as imitative
Raw retina.
5. 360 ° according to claim 1 big visual field integrates bionic compound eyes, it is characterised in that：Prepared bionic compound eyes are
One sphere, comprehensive includes bionical ommatidium, and what biomimetic cornea that each ommatidium is made of dimpling lens, optical fiber were constituted bionical regards
Nerve is constituted, and all optical fiber are connected on CCD or other photodetectors.
6. according to claim 2, the dimpling lens array described in claim 5 can be by optical fiber lapping technology, laser miniature carving, chemistry
The methods of burn into chemical deposition processing obtains.
7. optical fiber according to claim 3, it is characterised in that：Optical fiber is with light-weight, small, optical transmission efficiency is good, anti-
The strong feature of interference performance.
8. CCD according to claim 4 or other photodetectors, it is characterised in that：Photodetector and composition are bionical
The optical fiber of optic nerve is connected directly, and signal transmission is carried out by radio communication with external computer or processor.
9. sphere bionic compound eyes according to claim 5, it is characterised in that：Spherical optical fibre panel prepared by the present invention can be by
Curved surface fibre faceplate of different sizes is spliced.
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| CN201711125765.8A CN108287380A (en) | 2017-11-10 | 2017-11-10 | A kind of integrated bionic compound eyes of 360 ° big visual field |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109709642A (en) * | 2019-02-27 | 2019-05-03 | 合肥工业大学 | A kind of conical fiber compound eye imaging device of view membranous type |
| CN111474609A (en) * | 2020-04-24 | 2020-07-31 | 广东工业大学 | Bionic compound eye and preparation method and application thereof |
| CN113179128A (en) * | 2021-03-09 | 2021-07-27 | 西安理工大学 | Remote transmission and receiving device of underwater visible light communication system |
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| CN105911640A (en) * | 2016-06-01 | 2016-08-31 | 浙江工商大学 | All-fiber bionic compound eye imaging system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109709642A (en) * | 2019-02-27 | 2019-05-03 | 合肥工业大学 | A kind of conical fiber compound eye imaging device of view membranous type |
| CN109709642B (en) * | 2019-02-27 | 2021-01-15 | 合肥工业大学 | Retina type conical optical fiber compound eye imaging device |
| CN111474609A (en) * | 2020-04-24 | 2020-07-31 | 广东工业大学 | Bionic compound eye and preparation method and application thereof |
| CN113179128A (en) * | 2021-03-09 | 2021-07-27 | 西安理工大学 | Remote transmission and receiving device of underwater visible light communication system |
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Application publication date: 20180717 |