CN106990459A - A kind of flexible adjustable lens and variable-power optical system with sandwich construction - Google Patents
A kind of flexible adjustable lens and variable-power optical system with sandwich construction Download PDFInfo
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- CN106990459A CN106990459A CN201710321798.3A CN201710321798A CN106990459A CN 106990459 A CN106990459 A CN 106990459A CN 201710321798 A CN201710321798 A CN 201710321798A CN 106990459 A CN106990459 A CN 106990459A
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- adjustable lens
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/12—Fluid-filled or evacuated lenses
- G02B3/14—Fluid-filled or evacuated lenses of variable focal length
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/004—Optical devices or arrangements for the control of light using movable or deformable optical elements based on a displacement or a deformation of a fluid
Abstract
The invention discloses a kind of flexible adjustable lens and variable-power optical system with sandwich construction.The present invention is used as main refracting media, the flexible adjustable lens of composition multilayer multiple flow passages by the use of lens in rigid body lens, optical liquid, multiple flow passages glass and transparent elastic film；Variable-power optical system includes pre- dioptric lens group, diaphragm, flexible adjustable Zoom lens group and the rear dioptric lens group sequentially coaxially arranged from left to right；Flexible adjustable Zoom lens group includes two pieces of flexible adjustable lens, during zoom regulation, loop-shaped ultrasound motor extrudes the outer surface of flexible adjustable lens by being driven pressure ring, and then changing the focal length of flexible adjustable lens, the focal length of the fast flexible adjustable lens of synergic adjustment two is the continuous zoom regulation of feasible system.The present invention has compact conformation, and control is flexible, and optical axis stable, adjustable range is big, and the high advantage of image quality can be applied in various contemporary optics imaging systems and robotic vision system.
Description
Technical field
The present invention relates to bionical Vision imaging system, more particularly, to a kind of flexible adjustable lens with sandwich construction and
Variable-power optical system.
Background technology
With the development and progress of technology, people will to the integrated of vision imaging apparatus, portability and focusing ability
Seek more and more higher.Optical lens and its zoom image-forming module are the key components of vision imaging apparatus, to Vision imaging system
Structure composition, control characteristic and image quality have important influence.
Traditional optical zoom system constitutes multiple optical lens groups using many different concave-convex lens, utilizes driving
Motor is accurately controlled to the mechanical location of each lens group, realizes that system is burnt by changing the optical interval of each lens group
Away from the regulation with multiplying power.This traditional regulative mode needs the transmission mechanism of complex precise, and size is larger, be also easy to produce mechanical mill
Damage, to realize that large-scale optical power regulation generally requires to change different lens combinations, be difficult to realize continuous, big multiplying power
Optics is adjusted.
In recent years, extensive concern of the new adjustable lens by domestic and international researcher.Different from traditional glass lens, newly
Type adjustable lens use liquid or liquid crystal material as main optical medium, by the radius of curvature or folding that change lens
Rate is penetrated to carry out the regulation of focal length.But liquid is used as major optical liquid, it is unfavorable for keeping the stability of optical axis and is
The reliability of system, and often influenceed using liquid crystal material by liquid crystal molecule polarization phenomena, it is difficult to keep preferably imaging matter
Amount.In addition, using the optical system designed by new adjustable lens, often have that refracting media is single, design freedom is few, into
Wait not enough as quality is not ideal enough so that the light that the optical system based on adjustable lens can not also be with traditional use rigid body lens
System is comparable.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of flexible adjustable lens with sandwich construction
And variable-power optical system, by the use of rigid body lens, optical liquid, multiple flow passages glass in lens and transparent elastic film bent as main
Optical medium, the flexible adjustable lens of composition multilayer multiple flow passages improve the optics of adjustable lens there is provided more optical design freedoms
Stability and image quality；Utilize pre- dioptric lens group, diaphragm, flexible adjustable Zoom lens group and rear dioptric lens group, shape
Into optical zoom system, realize that the multiplying power of system is adjusted, and improves optical system by controlling the surface configuration of flexible adjustable lens
The regulating power of system, realizes the integrated and versatility of whole system.
To achieve the above object, the technical solution adopted by the present invention is：A kind of flexible adjustable lens with sandwich construction,
Including rigid body lens, Inner guide ring, multiple flow passages glass lens, elastic film and outer retainer ring；
Sequentially coaxially fixed rigid body lens, Inner guide ring, multiple flow passages glass from left to right on the inside of described outer retainer ring
Lens and elastic film；The right side of rigid body lens is in contact with the left side of Inner guide ring；Multiple flow passages glass is led in being fixed on
Flow between ring and elastic film, two cavitys communicated will be divided into inside outer retainer ring, optical liquid is then full of two cavitys；Pass through
The pore of Inner guide ring and multiple flow passages glass lens, optical liquid can flow between two cavitys；
Described flexible adjustable lens are planoconvex spotlight when being not affected by external force extruding, are become when elastic film is extruded by external force
During shape, as biconvex lens.
Further, described rigid body lens made using transparent lucite (PMMA) material, be concave surface direction
The falcate spheric glass of image side；
Further, the refractive index Ng of described optical liquid meets condition：1.50<Ng<1.60.
Further, there are some elongated square ducts on described Inner guide ring；Described multiple flow passages glass lens
In biconvex shape, fringe region has the through hole corresponding with square duct, and refractive index meets condition：Ng<Nd, wherein Nd are many
Runner glass lens refractive index, Ng is optical liquid refractive index.
Further, described elastic film is made up of transparent organosilicon (PDMS) material, and film intermediate region is thin
In neighboring area.
A kind of variable-power optical system, including the pre- dioptric lens group of arranged in co-axial alignment, diaphragm, flexible adjustable become from left to right
Times lens group and rear dioptric lens group；The left side of pre- dioptric lens group is object space, and the right side of rear dioptric lens group is image space
Space；
Described pre- dioptric lens group include from left to right the first lens of arranged in co-axial alignment, the second lens, the 3rd lens and
4th lens, wherein the first lens and the 3rd lens are focal length be bear, concave surface is towards the falcate spheric glass of image side, the second lens
It is that focal length is positive biconvex spherical lens with the 4th lens；
Described flexible adjustable Zoom lens group includes the first flexible adjustable lens of arranged in co-axial alignment, first annular ultrasound
Ripple motor, the first transmission pressure ring, the second flexible adjustable lens, the second loop-shaped ultrasound motor and the second transmission pressure ring；Described
One flexible adjustable lens and the second flexible adjustable lens use the above-mentioned flexible adjustable lens with sandwich construction；
The inner ring of described first annular supersonic motor and the lateral surface of the first transmission pressure ring are linked by screw thread, the
The elastic film of one flexible adjustable lens right side is in contact with the left side of the first transmission pressure ring, and the first transmission pressure ring passes through bullet
Property membrane action its right-hand member curvature radius is changed in the first flexible adjustable lens；
The inner ring of the second described loop-shaped ultrasound motor and the lateral surface of the second transmission pressure ring are linked by screw thread, the
The elastic film of two flexible adjustable lens left sides is in contact with the right side of the second transmission pressure ring, and the second transmission pressure ring passes through bullet
Property membrane action its left end curvature radius is changed in the second flexible adjustable lens；
Described rear dioptric lens group includes the 5th lens, the 6th lens and the 7th lens of arranged in co-axial alignment from left to right,
The 5th described lens be focal length for just, concave surface towards the falcate spheric glass of thing side, the 6th described lens are that focal length is
Negative, concave surface is towards the falcate spheric glass of image side, and the 7th described lens are that focal length is positive biconvex spherical lens, and the 6th is saturating
Mirror and the 7th lens formation cemented doublet glued together.
Further, between the right side of the first described flexible adjustable lens and the left side of the second flexible adjustable lens
Initial distance L meets relation：L=fr1+fr2, wherein fr1 are the back focal length of the first flexible adjustable lens, and fr2 is second flexible
The front focal length of adjustable lens；In original state, the focal length for adjusting two flexible adjustable lens by loop-shaped ultrasound motor makes it
Fr1=fr2 is met, then now the first flexible adjustable lens and the second flexible adjustable lens constitute afocal system, and multiplying power a=
Fr2/fr1=1.During multiplying power regulation, the flexible adjustable lens of back focal length fr1 and second of the first flexible adjustable lens are kept
Front focal length fr2 sums be equal to L, by the surface configuration of the flexible adjustable lens of Collaborative Control two, the flexible adjustable lens of regulation
Focal length, and then change the multiplying power of system.
The present invention has an advantageous effect in that compared with background technology：
1st, two are constituted using rigid body lens, Inner guide ring, multiple flow passages glass lens, elastic film and outer retainer ring to communicate
Airtight cavity, by optical liquid full of two cavitys, form the solid-liquid mixed structure of multilayer multiple flow passages, reduce liquid institute accounting
Weight, the damping force of increase liquid flowing, is effectively improved the optical stability and image quality of adjustable lens.
2nd, the optical interval of each layer medium of flexible adjustable lens, surface curvature are design variable, can be answered according to actual
Calculating is optimized with demand, four refracting media layers is had, 9 design freedoms can be provided for optical design.
3rd, the diopter of single flexible adjustable lens can be realized accurately by adjusting surface curvature in any scope of design
Regulation, by the surface configuration of two flexible adjustable lens of Collaborative Control, described variable-power optical system can be realized flexibly greatly
The continuous zoom of scope.
4th, become using pre- dioptric lens group, diaphragm, flexible adjustable Zoom lens group and rear dioptric lens group formation optics
Times system, aberration compensation is carried out by multiple lens, and field stop is placed on pre- dioptric lens group and flexible adjustable becomes
Between times lens group, image quality is effectively improved.
5th, the present invention has compact conformation, and control is flexible, optical axis stable, and adjustable range is big, easy to operate and image quality
High advantage, can be widely applied in various contemporary optics imaging systems and robotic vision system.
Brief description of the drawings
Fig. 1 is the axonometric drawing of the flexible adjustable lens with sandwich construction.
Fig. 2 is the flexible adjustable lens sectional view with sandwich construction.
Fig. 3 is outer retainer ring structure chart.
Fig. 4 is Inner guide ring structure figure.
Fig. 5 is multiple flow passages glass lens structure chart.
Fig. 6 is rigid body lens arrangement figure.
Fig. 7 is variable-power optical system structural representation.
Structural representation when Fig. 8 a are variable-power optical system small multiplying powers.
Structural representation when Fig. 8 b are variable-power optical system big multiplying powers.
In figure：1st, pre- dioptric lens group, 2, diaphragm, 3, flexible adjustable Zoom lens group, 4, rear dioptric lens group, 101,
First lens, the 102, second lens, the 103, the 3rd lens, the 104, the 4th lens, the 301, first flexible adjustable lens, 302, first
Loop-shaped ultrasound motor, the 303, first transmission pressure ring, the 304, second flexible adjustable lens, the 305, second loop-shaped ultrasound motor,
306th, the second transmission pressure ring, the 401, the 5th lens, the 402, the 6th lens, the 403, the 7th lens, 3011, outer retainer ring, 3012, just
Body lens, 3013, Inner guide ring, 3014, multiple flow passages glass lens, 3015, elastic film.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that embodiments described below is a part of embodiment of the invention, rather than whole embodiments.Based on this
Embodiment in invention, the every other reality that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example is applied, the scope of protection of the invention is belonged to.
As shown in Figures 1 to 6, in one embodiment of the invention, a kind of flexible adjustable lens with sandwich construction,
Including rigid body lens 3012, Inner guide ring 3013, multiple flow passages glass lens 3014, elastic film 3015 and outer retainer ring 3011；
The inner side of described outer retainer ring 3011 sequentially coaxially fixed rigid body lens 3012, Inner guide ring 3013, multiple flow passages from left to right
Glass lens 3014 and elastic film 3015；The right side of rigid body lens 3012 is in contact with the left side of Inner guide ring 3013；
Multiple flow passages glass 3014 is fixed between Inner guide ring 3013 and elastic film 3015, will be divided into two phases inside outer retainer ring 3011
Logical cavity, optical liquid 3016 is then full of two cavitys；Pass through the thin of Inner guide ring 3013 and multiple flow passages glass lens 3014
Hole, optical liquid 3016 can flow between two cavitys；When being not affected by external force extruding, described flexible adjustable lens are plano-convex
Lens, when the fringe region of elastic film 3015 is extruded by external force, optical liquid 3016 pours into the middle area of elastic film 3015
Domain, becomes biconvex lens.
Wherein, described optical liquid 3016 uses the optical liquid of high transparency, and refractive index Ng is 1.56, meets bar
Part：1.50<Ng<1.60；There are 6 elongated square ducts on described Inner guide ring 3013；Described multiple flow passages glass is saturating
Mirror 3014 is in biconvex shape, and its fringe region has 6 through holes being connected with the duct in Inner guide ring 3013, and refractive index is
1.65, meet condition：Ng<Nd, wherein Nd are multiple flow passages glass lens refractive indexes, and Ng is optical liquid refractive index；Described bullet
Property film 3015 is made up of transparent organosilicon (PDMS) material, and PDMS material is by PDMS solution and curing agent mixing crosslinking curing
Form, mixed proportion uses 1:20, and film intermediate region is relatively thin, neighboring area is thicker.
As shown in Figure 7, in another embodiment of the present invention, a kind of variable-power optical system includes coaxial from left to right
Pre- dioptric lens group 1, diaphragm 2, flexible adjustable Zoom lens group 3 and the rear dioptric lens group 4 of arrangement；Pre- dioptric lens group 1
Left side be object space, the right side of rear dioptric lens group 4 is image space；
Described pre- dioptric lens group 1 includes the first lens 101 of arranged in co-axial alignment, the second lens the 102, the 3rd from left to right
The lens 104 of lens 103 and the 4th, wherein the first lens 101 and the 3rd lens 103 are focal length be bear, concave surface towards image side bent moon
Shape spheric glass, the second lens 102 and the 4th lens 104 are that focal length is positive biconvex spherical lens；
Described flexible adjustable Zoom lens group 3 includes the first flexible adjustable lens 301, first annular of arranged in co-axial alignment
The flexible adjustable lens 304 of the transmission of supersonic motor 302, first pressure ring 303, second, the second loop-shaped ultrasound motor 305 and second
It is driven pressure ring 306；The described first flexible flexible adjustable lens 304 of adjustable lens 301 and second have multilayer using described
The flexible adjustable lens of structure；
The inner ring of described first annular supersonic motor 302 and the lateral surface of the first transmission pressure ring 303 pass through screw thread phase
It is coupled, the elastic film of the first flexible right side of adjustable lens 301 is in contact with the left side of the first transmission pressure ring 303, first
Transmission pressure ring 303 acts on the first flexible adjustable lens 301 by elastic film makes its right-hand member curvature radius change；
The inner ring of the second described loop-shaped ultrasound motor 305 and the lateral surface of the second transmission pressure ring 306 pass through screw thread phase
It is coupled, the elastic film of the second flexible left side of adjustable lens 304 is in contact with the right side of the second transmission pressure ring 306, second
Transmission pressure ring 306 acts on the second flexible adjustable lens 304 by elastic film makes its left end curvature radius change；
Described rear dioptric lens group 4 includes the 5th lens 401 of arranged in co-axial alignment, the 6th lens 402 and the from left to right
Seven lens 403, the 5th described lens 401 be focal length for just, concave surface towards thing side falcate spheric glass, the described the 6th
It is negative, concave surface towards the falcate spheric glass of image side that lens 402, which are focal lengths, and the 7th described lens 403 are that focal length is positive
Biconvex spherical lens, the 6th lens 402 and the formation cemented doublet glued together of the 7th lens 403.
As shown in accompanying drawing 8a, 8b, in zoom imaging process, the light that external object is sent passes through pre- dioptric lens group 1
With after diaphragm 2 enter flexible adjustable Zoom lens group 3, by flexible adjustable Zoom lens group 3 multiplying power regulation after enter
Dioptric lens group 4, finally images in imaging sensor afterwards.If the right side of the first flexible adjustable lens 301 and the second flexibility can
It is L to adjust the initial distance between the left side of lens 304, and the back focal length of the first flexible adjustable lens 301 is fr1, and the second flexibility can
The front focal length fr2 of lens 304 is adjusted, system multiplying power is a, in original state, makes L=fr1+fr2, and pass through loop-shaped ultrasound motor
The focal length of the flexible adjustable lens of regulation two makes it meet fr1=fr2, then now the first flexible adjustable lens 301 and second are soft
Property the composition afocal system of adjustable lens 304, and multiplying power a=fr2/fr1=1.During multiplying power regulation, keep the first flexibility can
Adjust the front focal length fr2 sums of the flexible adjustable lens 304 of back focal length fr1 and second of lens 301 to be equal to L, pass through Collaborative Control two
The surface configuration of flexible adjustable lens, you can the focal length of the flexible adjustable lens of regulation, and then change the multiplying power of system.When reducing the
The back focal length fr1 of one flexible adjustable lens 301, during the front focal length fr2 of the flexible adjustable lens 304 of increase second, the multiplying power a of system
Increase；When reducing fr2, during increase fr1, the multiplying power a of system then reduces accordingly.The focal length of single flexible adjustable lens can pass through
Regulation surface curvature realizes accurate adjustment in any scope of design, the surface curvature of the flexible adjustable lens of Collaborative Control two,
Described variable-power optical system can flexibly realize large-scale continuous zoom.
Above-mentioned embodiment is used for illustrating the present invention, rather than limits the invention, the present invention's
In spirit and scope of the claims, any modifications and changes made to the present invention both fall within the protection model of the present invention
Enclose.
Claims (7)
1. a kind of flexible adjustable lens with sandwich construction, it is characterised in that：Including rigid body lens (3012), Inner guide ring
(3013), multiple flow passages glass lens (3014), elastic film (3015) and outer retainer ring (3011)；
Sequentially coaxially fixed rigid body lens (3012), Inner guide ring from left to right on the inside of described outer retainer ring (3011)
(3013), multiple flow passages glass lens (3014) and elastic film (3015)；The right side of rigid body lens (3012) and Inner guide ring
(3013) left side is in contact；Multiple flow passages glass (3014) is fixed between Inner guide ring (3013) and elastic film (3015),
Two cavitys communicated will be divided into inside outer retainer ring (3011), optical liquid (3016) is then full of two cavitys；Led by interior
The pore of ring (3013) and multiple flow passages glass lens (3014) is flowed, optical liquid (3016) can flow between two cavitys；
Described flexible adjustable lens are planoconvex spotlight when being not affected by external force extruding, when elastic film (3015) is extruded by external force
During deformation, as biconvex lens.
2. a kind of flexible adjustable lens with sandwich construction according to claim 1, it is characterised in that：Described rigid body
Lens (3012) are made using transparent lucite (PMMA) material, are falcate spheric glass of the concave surface towards image side.
3. a kind of flexible adjustable lens with sandwich construction according to claim 1, it is characterised in that：Described optics
The refractive index Ng of liquid (3016) meets condition：1.50<Ng<1.60.
4. a kind of flexible adjustable lens with sandwich construction according to claim 1, it is characterised in that：Led in described
There are some elongated square ducts on stream ring (3013)；Described multiple flow passages glass lens (3014) is in biconvex shape, marginal zone
There is the through hole corresponding with square duct in domain, and refractive index meets condition：Ng<Nd, wherein Nd are multiple flow passages glass lens foldings
Rate is penetrated, Ng is optical liquid refractive index.
5. a kind of flexible adjustable lens with sandwich construction according to claim 1, it is characterised in that：Described elasticity
Film (3015) is made up of transparent organosilicon (PDMS) material, and film intermediate region is thinner than neighboring area.
6. a kind of variable-power optical system, it is characterised in that：Pre- dioptric lens group (1) including arranged in co-axial alignment from left to right, diaphragm
(2), flexible adjustable Zoom lens group (3) and rear dioptric lens group (4)；
Described pre- dioptric lens group (1) includes the first lens (101) of arranged in co-axial alignment, the second lens (102), the from left to right
Three lens (103) and the 4th lens (104), wherein the first lens (101) and the 3rd lens (103) they are focal length be bear, concave surface court
The falcate spheric glass of image side, the second lens (102) and the 4th lens (104) are that focal length is positive biconvex spherical lens；
Described flexible adjustable Zoom lens group (3) includes the first flexible adjustable lens (301), first annular of arranged in co-axial alignment
Supersonic motor (302), the first transmission pressure ring (303), the second flexible adjustable lens (304), the second loop-shaped ultrasound motor
(305) and second transmission pressure ring (306)；Described first flexible adjustable lens (301) and the second flexible adjustable lens (304) are adopted
With the flexible adjustable lens with sandwich construction described in claim 1；
The inner ring of described first annular supersonic motor (302) and the lateral surface of the first transmission pressure ring (303) pass through screw thread phase
It is coupled, the elastic film of first flexible adjustable lens (301) right side is in contact with the left side of the first transmission pressure ring (303),
First transmission pressure ring (303) acts on the first flexible adjustable lens (301) by elastic film sends out its right-hand member curvature radius
Changing；
The inner ring of the second described loop-shaped ultrasound motor (305) and the lateral surface of the second transmission pressure ring (306) pass through screw thread phase
It is coupled, the elastic film of second flexible adjustable lens (304) left side is in contact with the right side of the second transmission pressure ring (306),
Second transmission pressure ring (306) acts on the second flexible adjustable lens (304) by elastic film sends out its left end curvature radius
Changing；
Described rear dioptric lens group (4) include from left to right the 5th lens (401) of arranged in co-axial alignment, the 6th lens (402) and
7th lens (403), the 5th described lens (401) be focal length for just, concave surface towards thing side falcate spheric glass, it is described
The 6th lens (402) be focal length be negative, concave surface towards the falcate spheric glass of image side, the 7th described lens (403) are
Focal length is positive biconvex spherical lens, the 6th lens (402) and the 7th lens (403) formation cemented doublet glued together.
7. a kind of variable-power optical system according to claim 6, it is characterised in that：The flexible adjustable lens of described first
(301) the initial distance L between the left side of the flexible adjustable lens (304) in right side and second meets relation：L=fr1+fr2,
Wherein fr1 is the back focal length of the first flexible adjustable lens (301), and fr2 is the front focal length of the second flexible adjustable lens (304)；
Original state, the focal length for adjusting two flexible adjustable lens by loop-shaped ultrasound motor makes it meet fr1=fr2, then now
First flexible adjustable lens (301) and the second flexible adjustable lens (304) composition afocal system, and multiplying power a=fr2/fr1=1.
During multiplying power regulation, the front focal length fr2 of the flexible adjustable lens of back focal length fr1 and second of the first flexible adjustable lens is kept
Sum is equal to L, by the surface configuration of the flexible adjustable lens of Collaborative Control two, the focal length of the flexible adjustable lens of regulation, Jin Ergai
The multiplying power of change system.
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| CN201710321798.3A CN106990459B (en) | 2017-05-09 | 2017-05-09 | One kind flexible adjustable lens with multi-layer structure and variable-power optical system |
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| EP3474065A1 (en) * | 2017-10-19 | 2019-04-24 | Mitutoyo Corporation | Variable focal length lens apparatus |
| CN109839713A (en) * | 2017-11-29 | 2019-06-04 | 宁波舜宇光电信息有限公司 | A kind of variable focus package, lens assembly and camera module |
| CN110187418A (en) * | 2019-06-12 | 2019-08-30 | 北京理工大学 | Liquid film lens combination varifocal optical system |
| CN110764170A (en) * | 2019-11-27 | 2020-02-07 | Oppo广东移动通信有限公司 | Optical element, lens, camera and electronic device |
| CN111240148A (en) * | 2019-12-27 | 2020-06-05 | 北京航空航天大学 | Holographic real-time acquisition and projection system based on self-adaptive zoom camera |
| CN111552070A (en) * | 2020-04-20 | 2020-08-18 | 宁波大学 | Bionic flexible mobile optical imaging device |
| CN114280709A (en) * | 2022-01-25 | 2022-04-05 | 宁波大学 | Visual bionic photosensitive imaging device and application method |
| CN114924336A (en) * | 2022-04-18 | 2022-08-19 | 江苏大学 | Multi-interlayer flexible zoom lens applied to cultural relic exhibition, holographic three-dimensional display system, augmented reality system and method |
| CN115480328A (en) * | 2021-06-16 | 2022-12-16 | 北京小米移动软件有限公司 | Liquid lens, camera device, mobile terminal and liquid lens zooming method |
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| CN110187418A (en) * | 2019-06-12 | 2019-08-30 | 北京理工大学 | Liquid film lens combination varifocal optical system |
| CN110764170A (en) * | 2019-11-27 | 2020-02-07 | Oppo广东移动通信有限公司 | Optical element, lens, camera and electronic device |
| CN111240148A (en) * | 2019-12-27 | 2020-06-05 | 北京航空航天大学 | Holographic real-time acquisition and projection system based on self-adaptive zoom camera |
| CN111552070A (en) * | 2020-04-20 | 2020-08-18 | 宁波大学 | Bionic flexible mobile optical imaging device |
| CN111552070B (en) * | 2020-04-20 | 2021-11-23 | 宁波大学 | Bionic flexible mobile optical imaging device |
| CN115480328A (en) * | 2021-06-16 | 2022-12-16 | 北京小米移动软件有限公司 | Liquid lens, camera device, mobile terminal and liquid lens zooming method |
| CN114280709A (en) * | 2022-01-25 | 2022-04-05 | 宁波大学 | Visual bionic photosensitive imaging device and application method |
| CN114924336A (en) * | 2022-04-18 | 2022-08-19 | 江苏大学 | Multi-interlayer flexible zoom lens applied to cultural relic exhibition, holographic three-dimensional display system, augmented reality system and method |
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