CN103364945A - Element fixed type zoom and image stabilization integrated imaging optical system - Google Patents
Element fixed type zoom and image stabilization integrated imaging optical system Download PDFInfo
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- CN103364945A CN103364945A CN2013103415844A CN201310341584A CN103364945A CN 103364945 A CN103364945 A CN 103364945A CN 2013103415844 A CN2013103415844 A CN 2013103415844A CN 201310341584 A CN201310341584 A CN 201310341584A CN 103364945 A CN103364945 A CN 103364945A
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Abstract
The invention relates to an element fixed type zoom and image stabilization integrated imaging optical system and belongs to the technical field of optical designs. The system specifically comprises a deformable mirror, a liquid lens, an optical component and an image surface sensor. A target object surface is arranged on an optical axis of the element fixed type zoom and image stabilization integrated imaging optical system, light rays emitted from the target object surface reach the imaging optical system, the focal distance of the deformable mirror is changed, the focal distance of the liquid lens is changed, and the amplification factor of the target object surface imaging on the image surface of the image surface sensor is changed. The target object surface is arranged on the optical axis of the element fixed type zoom and image stabilization integrated imaging optical system, carrier motion of the imaging system is borne, the numerical value of an included angle between the light rays emitted from any one target point of the target object surface and the optical axis of the imaging optical system is changed, and the deformable mirror shape is changed, so that the position of an imaging point of the same target point on the target object surface is coincided with the pixel position in front of the unchanged deformable mirror, and image stabilization is realized.
Description
Technical field
The present invention relates to a kind of element not the ejector half zoom surely look like the Integral imaging optical system, belong to the optical design technical field.
Background technology
Variable focal length optical system has important application because of the imaging performance of its quick continuous vari-focus, efficient identification in the high-end imaging device of Aero-Space, military civil area.Development along with image device, market is to the increase in demand of the high-performance variable zoom lens that picture element is better, zoom ratio is larger, volume is less, performance to variable focal length optical system is had higher requirement, and as the imaging system of acquisition of information key means, its performance will directly affect the future development of Aero-Space and the technical fields such as military.
Traditional zoom is comprised of the fixing lens combination unit of several groups of focal lengths usually apart from optical system, and the burnt process that modifies tone is the purpose that reaches Jiao that modifies tone by the relative position of the mechanical hook-ups such as space cam change universal focus lens group.Because this class zoom lens all relates to mechanical positioner and moving component, so autozoom precision and zoom response speed can be subject to the restriction of mechanical positioner control accuracy and response speed.
Optical system is in the process to target imaging, because the random motion of imaging support, between systematic optical axis and the target relative motion is arranged, cause image translation and rotation in the formation of image planes position, the unstable meeting of image makes the operator produce sense of fatigue, and that the image planes sensor obtains is not fogging clear, affects effective utilization of image information.Surely utilize the modes such as mechanical platform motion compensation, optical element motion compensation and electronic compensation as technology, eliminate carrier movement to the impact of image in the image planes imaging, improve the quality of the image information of obtaining; In the systems such as robot remote telechirics, vehicle navigational system, high-end cameras, be widely used.
Optics in the steady picture technology is picture surely, is position and the angle of utilizing optical element in macroscopical mechanical hook-up change optical system, reaches the purpose of systems stabilisation image.Accordingly, surely be subject to the restriction of control accuracy and the response speed of macroscopical mechanical hook-up as precision and speed.
" based on zoom and the focusing system of MOEMS " (ZL200810119430.X) in, with reflective deformable mirror and fixed lens group combination, utilize deformable mirror can form the characteristics of arbitrary face shape, axial location between the fixed lens, system's zoom are to realize by the focal length that changes lens itself.This variable focal length optical system does not have mechanical transmission structure, but continuous vari-focus and the focusing novel optical burnt system that modifies tone have been formed, but do not relate to the designing technique of utilizing deformable mirror systems stabilisation image planes, deformable mirror and liquid lens combination are not formed variable focal length optical system yet.
Summary of the invention
The objective of the invention is to be subject to for the system performance that solves existing imaging optical system change system's focal length and systems stabilisation image planes the problem of macroscopical physical construction response speed and control accuracy, propose a kind of zoom and surely look like the Integral imaging optical system, unfavorablely realize optical zoom with optical element or optics constituent element apart from changing, and adopt the variable deformable mirror of focal length and liquid lens to realize element not ejector half system zoom and steady picture.
A kind of element not ejector half zoom surely looks like the Integral imaging optical system, comprises deformable mirror, liquid lens, optical module and image planes sensor.
Optical module is in imaging optical system, match with deformable mirror and liquid lens, realize N mirror group of system imaging, N 〉=1, each mirror group comprises M transmission optical component or reflective optical devices or transmission and reflective optical devices combination, M 〉=1, each optical element is designed to plane surface shape, spherical surface shape or aspheric surface.
The annexation of above-mentioned each ingredient is: along the emergent ray direction of target object plane, deformable mirror, liquid lens, optical module and image planes sensor are arranged in order with the certain space interval, and four are total to central shaft.
The image planes installation of sensors of described Integral imaging optical system can carry whole Integral imaging optical system level or vertical motion on motion carrier.
Element of the present invention not ejector half zoom surely as the light path of Integral imaging optical system is: with the target object plane be placed on described element not the ejector half zoom surely look like on the optical axis of Integral imaging optical system, the light that the target object plane sends arrives deformable mirror, reflection through deformable mirror, its reflection ray moves ahead to wide object plane one side, arrive liquid lens, through the liquid lens refraction, its refracted ray moves ahead to wide object plane one side, arrive the optical module of imaging optical system, after M the refraction of optical element or reflection of component internal, refraction or reflection ray are to continuing to move ahead away from imageable target one side, arrive the image planes sensor, imaging on the image planes of sensor.
The zoom process is: with the target object plane be placed on described element not the ejector half zoom surely look like on the optical axis of Integral imaging optical system, the light that the target object plane sends arrives imaging optical system, change the focal length of deformable mirror, the focal length of liquid lens also changes thereupon, and the target object plane changes at the enlargement ratio of image planes sensor image planes imaging.
Surely as process be: with the target object plane be placed on described element not the ejector half zoom surely look like on the optical axis of Integral imaging optical system, the carrier movement of carrying imaging system, make the numerical value of the arbitrary impact point emergent ray of target object plane and imaging optical system optical axis included angle change, then deformable minute surface shape changes thereupon, the light that the target object plane sends is through deformable mirror reflection and liquid lens refraction, its refracted ray moves ahead to wide object plane one side, arrive the optical module of imaging optical system, after repeatedly reflecting or reflecting, its refraction or reflection ray are to moving ahead away from imageable target one side, imaging on the image planes of image planes sensor, so that the same impact point of target object plane, its imaging point position image point position front with not changing deformable minute surface shape overlaps, and realizes surely looking like.
Self focal length of described deformable mirror is variable, can form face shape summit focal length variations, and the face shape profile that changes of aspheric surface parameter.
The surface curvature radius variable of described liquid lens, its effect are that the focal length of lens changes thereupon so that formation curvature of surface radius can change.
The effect of image planes sensor is that the image transitions that will be imaged onto on its image planes becomes electronic image signal and output.
Beneficial effect
The present invention proposes and utilize deformable mirror and liquid lens to combine the realization zoom surely as the movement-less part optical imagery new method that is integrated, adopt the focal length variable element to change the movement-less part design of focal length and the steady picture of realization, have the advantages such as low noise, high response speed.
Description of drawings
Fig. 1 is steady picture zoom Integral imaging optical system of the present invention;
Fig. 2 is that deformable mirror and liquid lens combine and realize surely not ejector half imaging optical system of the element that is integrated as zoom in the embodiment;
Fig. 3 is that deformable mirror is realized steady picture synoptic diagram in the embodiment;
Label declaration: 1-deformable mirror, 2-liquid lens, 3-optical module, 4-image planes sensor, 5-object plane.
Embodiment
Objects and advantages of the present invention, content of the present invention is described further below in conjunction with drawings and Examples in order better to illustrate.
The deformable mirror that the present invention realizes and liquid lens combine and realize the movement-less part optical imaging system that the steady picture of zoom is integrated, as shown in Figure 1, by deformable mirror 1, liquid lens 2, optical module 3 and image planes sensor 4 form.Deformable mirror 1 can form the face shape profile of summit focal length and the variation of aspheric surface parameter, and the surface curvature radius of liquid lens 2 can change, and its focal length is variable.What Fig. 2 described is to adopt deformable mirror and liquid lens to realize the system schema of zoom, such as figure, light incides deformable mirror 1 surface, reflection ray is after the liquid lens position reflects, the optical module 3 of Geometrical Optics in the system, the incident light wire harness incides image planes sensor 4 positions after the refraction of optical module 3 positions.Described 3 positions among Fig. 2, position 1 is for short burnt, and position 2 is middle Jiao, and position 3 is for long burnt, and when the element focal length of deformable mirror 1 and liquid lens 2 changed, system's focal length variations realized zoom.
Fig. 3 has described the process that realizes steady picture.The carrier of carrying imaging system moves, and makes the angle of incident ray that change has occured, and the change amount is θ.The O point is that the front target of carrier movement is in the position of object plane, at this moment
Be its conjugate points on image planes, light is at face S
DFocus at image planes sensor 4 after the reflection,
Intersection point for light and reflecting surface.When object point moves to a P, face to face S from an O
DWhen face shape was constant, light was at point
After the reflection, be a little at the incidence point of image planes
Change deformable mirror this moment, the face shape after changing is decided to be face S '
D, then by the light of object plane point P outgoing, at deformable mirror S '
DThe point
Reflection because face deformation, the light of this moment is through behind the optical module, with the incidence point of image planes be a little
Work as a little
And the point
Distance during less than the steady picture precision set, the image planes image does not blur, and realizes surely looking like.
The present invention proposes deformable mirror 1 and liquid lens 2 and combine the realization zoom surely as the movement-less part optical imaging system that is integrated, wherein zoom changes realization by the focal length of deformable mirror 1 and liquid lens 2, surely as the face shape realization of passing through to change deformable mirror 1.Deformable minute surface shape profile is by the control break of hyperchannel actuator, and the focal length of liquid lens 2 is realized by changing its radius-of-curvature.
Claims (4)
- An element not the ejector half zoom surely look like the Integral imaging optical system, it is characterized in that: comprise deformable mirror, liquid lens, optical module and image planes sensor; Along the emergent ray direction of target object plane, deformable mirror, liquid lens, optical module and image planes sensor are arranged in order with the certain space interval, and four are total to central shaft;Wherein, optical module comprises N mirror group, N 〉=1, each mirror group comprises M transmission optical component or reflective optical devices or transmission and reflective optical devices combination, M 〉=1;Described image planes installation of sensors can carry whole Integral imaging optical system level or vertical motion on motion carrier;Self focal length of described deformable mirror is variable;The surface curvature radius variable of described liquid lens;The image transitions that the image planes sensor will be imaged onto on its image planes becomes electronic image signal and output.
- A kind of element according to claim 1 not the ejector half zoom surely look like the Integral imaging optical system, it is characterized in that: system light path is: the target object plane is placed on the optical axis of Integral imaging optical system, the light that the target object plane sends reflects through deformable mirror, reflection ray moves ahead to wide object plane one side, arrive liquid lens, reflect through liquid lens, refracted ray arrives optical module, after M the refraction of optical element or reflection of component internal, refraction or reflection ray are to continuing to move ahead away from imageable target one side, arrive the image planes sensor, imaging on the image planes of sensor.
- A kind of element according to claim 1 not the ejector half zoom surely look like the Integral imaging optical system, it is characterized in that: the zoom process is: the focal length that changes deformable mirror, the focal length of liquid lens changes thereupon, so that the target object plane changes at the enlargement ratio of image planes sensor image planes imaging.
- A kind of element according to claim 1 not the ejector half zoom surely look like the Integral imaging optical system, it is characterized in that: surely as process be: the carrier movement of carrying imaging system, make the numerical value of the arbitrary impact point emergent ray of target object plane and imaging optical system optical axis included angle change, deformable minute surface shape changes thereupon, the light that the target object plane sends is through deformable mirror reflection and liquid lens refraction, its refracted ray moves ahead to wide object plane one side, arrive the optical module of imaging optical system, after repeatedly reflecting or reflecting, its refraction or reflection ray are to moving ahead away from imageable target one side, imaging on the image planes of image planes sensor, so that the same impact point of target object plane, its imaging point position image point position front with not changing deformable minute surface shape overlaps, and realizes surely looking like.
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| CN201310341584.4A CN103364945B (en) | 2013-08-07 | 2013-08-07 | A kind of element is ejector half zoom steady picture Integral imaging optical system not |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108803016A (en) * | 2018-06-11 | 2018-11-13 | 北京理工大学 | Zoom nest area's imaging method and system based on bifocal lens and liquid lens |
| CN108873280A (en) * | 2018-06-04 | 2018-11-23 | 中国科学院西安光学精密机械研究所 | LONG WAVE INFRARED system in a kind of off-axis refraction-reflection type based on spherical reflector |
| CN109946829A (en) * | 2019-04-26 | 2019-06-28 | 北京理工大学 | Zoom is surely as distorting lens zoom face shape design method in Integral imaging system |
| CN110133846A (en) * | 2019-04-26 | 2019-08-16 | 北京理工大学 | Zoom is surely as the design method of the steady image planes shape of distorting lens in Integral imaging system |
| CN111758250A (en) * | 2018-01-24 | 2020-10-09 | Lg伊诺特有限公司 | Camera module |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070295817A1 (en) * | 2006-06-22 | 2007-12-27 | Intermec Ip Corp. | Automatic data collection apparatus and method for variable focus using a deformable mirror |
| WO2010104510A1 (en) * | 2009-03-12 | 2010-09-16 | Optoelectronics Co., Ltd. | Variable focus optical system |
| CN101896850A (en) * | 2007-12-04 | 2010-11-24 | 黑眼睛光学有限公司 | Liquid optics image stabilization |
-
2013
- 2013-08-07 CN CN201310341584.4A patent/CN103364945B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070295817A1 (en) * | 2006-06-22 | 2007-12-27 | Intermec Ip Corp. | Automatic data collection apparatus and method for variable focus using a deformable mirror |
| CN101896850A (en) * | 2007-12-04 | 2010-11-24 | 黑眼睛光学有限公司 | Liquid optics image stabilization |
| WO2010104510A1 (en) * | 2009-03-12 | 2010-09-16 | Optoelectronics Co., Ltd. | Variable focus optical system |
Non-Patent Citations (1)
| Title |
|---|
| 张鹰等: "液体透镜在变焦系统中的应用", 《中国光学》 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111758250A (en) * | 2018-01-24 | 2020-10-09 | Lg伊诺特有限公司 | Camera module |
| CN111758250B (en) * | 2018-01-24 | 2022-10-28 | Lg伊诺特有限公司 | Camera module |
| US11846767B2 (en) | 2018-01-24 | 2023-12-19 | Lg Innotek Co., Ltd. | Camera module |
| CN108873280A (en) * | 2018-06-04 | 2018-11-23 | 中国科学院西安光学精密机械研究所 | LONG WAVE INFRARED system in a kind of off-axis refraction-reflection type based on spherical reflector |
| CN108873280B (en) * | 2018-06-04 | 2023-09-29 | 中国科学院西安光学精密机械研究所 | Off-axis catadioptric medium-long wave infrared system based on spherical reflector |
| CN108803016A (en) * | 2018-06-11 | 2018-11-13 | 北京理工大学 | Zoom nest area's imaging method and system based on bifocal lens and liquid lens |
| CN108803016B (en) * | 2018-06-11 | 2022-08-30 | 北京理工大学 | Zoom pit imaging method and system based on bifocal lens and liquid lens |
| CN109946829A (en) * | 2019-04-26 | 2019-06-28 | 北京理工大学 | Zoom is surely as distorting lens zoom face shape design method in Integral imaging system |
| CN110133846A (en) * | 2019-04-26 | 2019-08-16 | 北京理工大学 | Zoom is surely as the design method of the steady image planes shape of distorting lens in Integral imaging system |
| CN110133846B (en) * | 2019-04-26 | 2020-08-21 | 北京理工大学 | Design method for anamorphic lens image stabilization surface shape in zoom image stabilization integrated imaging system |
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| CN103364945B (en) | 2015-08-12 |
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Address after: 100081 No. 5, Zhongguancun South Street, Haidian District, Beijing Patentee after: BEIJING INSTITUTE OF TECHNOLOGY Patentee after: Shenzhen International Graduate School of Tsinghua University Address before: 100081 No. 5, Zhongguancun South Street, Haidian District, Beijing Patentee before: BEIJING INSTITUTE OF TECHNOLOGY Patentee before: Tsinghua University Shenzhen Graduate School |
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