CN104062771A - Eccentric adjustment method of optical lens with submicron order control precision - Google Patents
Eccentric adjustment method of optical lens with submicron order control precision Download PDFInfo
- Publication number
- CN104062771A CN104062771A CN201410276144.XA CN201410276144A CN104062771A CN 104062771 A CN104062771 A CN 104062771A CN 201410276144 A CN201410276144 A CN 201410276144A CN 104062771 A CN104062771 A CN 104062771A
- Authority
- CN
- China
- Prior art keywords
- lens
- eccentric
- eccentricity
- adjusted
- eyeglass
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Lens Barrels (AREA)
Abstract
The invention provides an eccentric adjustment method of an optical lens with submicron order control precision. According to the method, a piezoelectric ceramic placed on a piezoelectric ceramic supporting base drives a lens eccentric adjustment nail at submicron order control precision under control of impressed voltage, the eccentric position of the lens to be adjusted is adjusted, meanwhile, the eccentric position of the lens to be adjusted is obtained accurately through rotation of a rotating table of a centering instrument and measurement of a lens surface eccentric reflection image measurement assembly, optical design analysis software is used until eccentricity of the lens to be adjusted is adjusted to meet optimized design requirements, and then glue is injected to fix the lens to be adjusted. According to the novel method for accurately adjusting eccentricity of the optical lens under drive of the piezoelectric ceramic, adjustment precision of the eccentricity of the lens is controlled to be at a submicron high level and accordingly the imaging lens can have better quality.
Description
Technical field
The invention belongs to optical instrument technical field, is a kind of method of offset between accurate adjustment eyeglass in optical lens assembling process.
Background technology
Optical lens is requisite critical component in various optical imaging systems, supervisory system.The quality good or not of optical lens directly affects the performance quality of imaging system, supervisory system, has even determined success or not.Because optical lens must exist various aberration defects in theory, so often adopt the optical mirror slip combination of comparatively complicated difformity different materials in the time that optical lens designs, object is the various aberrations of calibrating optical camera lens, to obtaining the image quality of high-quality.But design is accomplished to really to create and also has a lot of errors, in manufacturing the process of optical lens, reality has unavoidably various part foozles, camera lens is debug error etc.Generally have higher tolerance although the eyeglass of optical lens, lens barrel, spacer ring etc. affect the part of optical system imaging quality, even so, these residual tolerances bring impact still can to the image quality of whole camera lens.
The camera lens that General Requirements is higher often has one, two adjustable eyeglass of bias or lens set in the time of structural design, in the time that assembling is produced by this, the bias adjustment of two adjustable eyeglasses of bias or lens set, to realizing the mutual compensation between error, make the image quality optimum of whole camera lens.General bias adjustment is the rotation by adjusting screw, and promotion capable of regulating lens or lens set complete.Be mechanical structure owing to adjusting screw, adjust precision generally not high, typical in 10 microns, 5 microns.Be difficult to reach the control accuracy of sub-micron.
The quality requirements of contemporary optics system is more and more higher, for some special high-grade, precision and advanced purposes, the optical system quality degradation that the glasses lens eccentricity of several microns causes is intolerable, and therefore the accurate control of eccentricity of glasses lens and adjustment have become the bottleneck of optical lens manufacturing technology.
Summary of the invention
The present invention proposes a kind of piezoelectric ceramics that adopts as the mobile performer of precision, the glasses lens eccentricity of optical lens is carried out to the accurate adjustment that precision is sub-micrometer scale, coordinate centerscope and optical design Computer aided analysis, realizing glasses lens eccentricity in optical lens accurately controls, to realizing the mutual compensation between error, make whole lens imaging quality optimization.
The method is used eccentricity of glasses lens adjustment System, system is by centerscope universal stage, camera lens to be assembled, piezoelectric ceramics supporting seat, piezoelectric ceramics, eccentricity of glasses lens adjustment nail, the eccentric reflection image of lens surface is measured assembly composition, be placed in the control accuracy with sub-micron under the piezoelectric ceramics alive control outside on piezoelectric ceramics supporting seat and drive eccentricity of glasses lens adjustment nail, and then adjust the eccentric position of eyeglass to be adjusted, the measurement of simultaneously measuring assembly by rotation and the eccentric reflection image of lens surface of centerscope universal stage accurately obtains the eccentric position of eyeglass to be adjusted, coordinate optical design analysis software, until wait the offset of adjusting eyeglass adjust to meet optimal design and require after thoroughly fixing eyeglass to be adjusted of injecting glue again.
In lens assembling process, the offset of each eyeglass can arrive by this systematic survey: rotate centerscope universal stage, now can measure one by one the eccentricity values of each lens surface by the eccentric reflection image measurement of lens surface assembly.According to the test eccentricity value of each eyeglass, be input to optical design software, as ZEMAX software etc., using the offset of eyeglass to be adjusted as variable, optimize whole lens imaging quality, obtain the eccentric value of best eyeglass to be adjusted.According to this eccentric value, by controlling the driving voltage value of the piezoelectric ceramics in native system, realize the offset adjustment of eyeglass to be adjusted.Until adjust to and meet after optimal design requirement wait the offset of adjusting eyeglass, then by hole for injecting glue injecting glue corresponding on camera lens, thorough fixedly eyeglass to be adjusted.
The present invention proposes a kind of new method that adopts Piezoelectric Ceramic accurate adjustment optical lens glasses lens eccentricity, can ensure that the adjustment precision of glasses lens eccentricity is controlled at the high level of sub-micron, makes imaging lens have more superior quality.
Brief description of the drawings
Fig. 1 is the system composition schematic diagram of the optical lens eccentricity of glasses lens Method of Adjustment of submicron order control accuracy of the present invention.In figure, 1 is centerscope universal stage; 2 is lens barrel and camera lens to be assembled; 3 is piezoelectric ceramics supporting seat; 4 is piezoelectric ceramics; 5 for adjusting nail; 6 Wei Daitiao center eyeglasses; 7 is that eccentric reflection image is measured assembly.
Fig. 2 be in Fig. 1 A-A to view.
Fig. 3 is typical piezoelectric ceramics voltage-displacement curve.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
Referring to Fig. 1, the optical lens glasses lens eccentricity adjustment System that this control accuracy is submicron order is measured assembly 7 and is formed by centerscope universal stage 1, camera lens to be assembled 2, piezoelectric ceramics supporting seat 3, piezoelectric ceramics 4, eccentricity of glasses lens adjustment nail 5, the eccentric reflection image of lens surface.Control accuracy is wherein that the amount of movement performer of sub-micron is piezoelectric ceramics, is placed on piezoelectric ceramics supporting seat, and the other end of piezoelectric ceramics relies closely with the eccentric nail of adjusting.Piezoelectric ceramics, supporting seat and eccentric adjust nail each one the bias of a direction of totally three part compositions adjust execution architecture.Totally four groups of symmetries of such bias adjustment execution architecture is arranged on the four direction for the treatment of eccentric eyeglass 6, sees accompanying drawing 2, has respectively left and right, upper and lower four groups.
Eccentric amount of movement performer is piezoelectric ceramics.Piezoelectric ceramics is a kind of high-precision micro displacement device.Utilize piezoelectric ceramics inverse piezoelectric effect, the dielectric ought with piezoelectric properties is placed in external electric field, due to electric field action, causes that the positive and negative charge center of medium inside produces relative displacement, and causes medium deformation.Can realize micron, the displacement of tens of microns, exportable larger power simultaneously, shown in accompanying drawing 3, outside under alive control, the total length of piezoelectric ceramics can change, after one end of piezoelectric ceramics is fixed, the other end can be realized micron, ten micron-sized displacements, and has the displacement accuracy even higher up to 0.1 micron.
When in the time adjusting eyeglass to move to right, reduce the eccentric Piezoelectric Ceramic voltage of adjusting execution architecture in one group, the right, piezoelectric ceramics total length reduces, and makes to adjust to follow closely with piezoelectric ceramics to depart from and unclamp, and adjusts nail and loses the support for the treatment of tune eyeglass; And increase the eccentric Piezoelectric Ceramic voltage of adjusting execution architecture in one group, the left side simultaneously, because the supporting seat of piezoelectric ceramics one end is fixing with the base (centerscope universal stage) of native system, must make the eccentric nail of adjusting move to right, treat that eccentric eyeglass just can realize to the bias of right and moving.
In like manner, can realize respectively eyeglass to be adjusted left, upwards, the bias adjustment of any direction downwards.
Centerscope universal stage in accompanying drawing 1, the eccentric reflection image of lens surface are measured assembly and have in fact been formed a centerscope, in lens assembling process, the offset of each eyeglass can arrive by this systematic survey: rotate centerscope universal stage, now can measure one by one the eccentricity values of each lens surface by the eccentric reflection image measurement of lens surface assembly.According to the test eccentricity value of each eyeglass, eccentricity value is input to together with whole optical parameter to optical design software, as ZEMAX software etc., using the offset of eyeglass to be adjusted as variable, optimize whole lens imaging quality, obtain the eccentric value of best eyeglass to be adjusted.According to this eccentric value, by controlling the driving voltage value of the piezoelectric ceramics in native system, realize the offset adjustment of eyeglass to be adjusted.Until adjust to and meet after optimal design requirement wait the offset of adjusting eyeglass, then by hole for injecting glue injecting glue corresponding on camera lens, thorough fixedly eyeglass to be adjusted.
Eccentricity of glasses lens method of adjustment of the present invention is the eccentricity of glasses lens adjustment that several microns, precision are submicron order owing to having adopted the high piezoelectric ceramics of displacement control accuracy as performer, can realize stroke.To realizing the mutual compensation between eyeglass error, make whole lens imaging quality obtain optimal effectiveness.
Claims (3)
1. the optical lens eccentricity of glasses lens Method of Adjustment of submicron order control accuracy, it is characterized in that: the method is used eccentricity of glasses lens adjustment System, by centerscope universal stage (1), camera lens to be assembled (2), piezoelectric ceramics supporting seat (3), piezoelectric ceramics (4), eccentricity of glasses lens adjustment nail (5), the eccentric reflection image of lens surface is measured assembly (7) composition, be placed in the control accuracy with sub-micron under piezoelectric ceramics (4) the alive control outside on piezoelectric ceramics supporting seat (3) and drive eccentricity of glasses lens adjustment nail (5), and then adjust the eccentric position of eyeglass to be adjusted (6), the measurement of simultaneously measuring assembly (7) by rotation and the eccentric reflection image of lens surface of centerscope universal stage (1) accurately obtains the eccentric position of eyeglass to be adjusted (6), coordinate optical design analysis software, until wait the offset of adjusting eyeglass (6) adjust to meet optimal design and require after thoroughly fixing eyeglass to be adjusted (6) of injecting glue again.
2. optical lens eccentricity of glasses lens Method of Adjustment according to claim 1, is characterized in that: piezoelectric ceramics (4), supporting seat (3) and eccentric adjust nail (5) each one the bias of a direction of totally three part compositions adjust execution architecture; Totally four groups of symmetries of such bias adjustment execution architecture is arranged on the four direction for the treatment of eccentric eyeglass.
3. optical lens eccentricity of glasses lens Method of Adjustment according to claim 1, it is characterized in that: the eccentricity values of measuring one by one each lens surface by the eccentric reflection image measurement assembly of lens surface (7), according to the test eccentricity values of each eyeglass, eccentricity values is input to together with whole optical parameter to optical design software, using the offset of eyeglass to be adjusted (6) as variable, optimize whole lens imaging quality, obtain the eccentric value of best eyeglass to be adjusted (6), according to this eccentric value, by controlling the driving voltage value of piezoelectric ceramics (4), realize the offset adjustment of eyeglass to be adjusted (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410276144.XA CN104062771A (en) | 2014-06-19 | 2014-06-19 | Eccentric adjustment method of optical lens with submicron order control precision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410276144.XA CN104062771A (en) | 2014-06-19 | 2014-06-19 | Eccentric adjustment method of optical lens with submicron order control precision |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104062771A true CN104062771A (en) | 2014-09-24 |
Family
ID=51550558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410276144.XA Pending CN104062771A (en) | 2014-06-19 | 2014-06-19 | Eccentric adjustment method of optical lens with submicron order control precision |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104062771A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109343189A (en) * | 2018-11-21 | 2019-02-15 | 北京遥感设备研究所 | A kind of conformal optics head-shield adhering device and Method of Adjustment |
| CN110531531A (en) * | 2019-09-27 | 2019-12-03 | 昆明北方红外技术股份有限公司 | The Method of Adjustment of Cassegrain optical system primary and secondary reflecting mirror |
| CN113290378A (en) * | 2021-04-15 | 2021-08-24 | 西安理工大学 | Roundness adjusting device of precise arc guide rail based on piezoelectric ceramics |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60150016A (en) * | 1984-01-17 | 1985-08-07 | Ricoh Co Ltd | Adjusting and assembling device for lens system |
| US5521764A (en) * | 1994-01-14 | 1996-05-28 | Jenoptik Gmbh | Device for lateral adjustment of lenses in a high-performance lens system |
| CN203502681U (en) * | 2013-10-21 | 2014-03-26 | 中国科学院西安光学精密机械研究所 | Cylindrical mirror assembly gluing equipment |
| CN103713370A (en) * | 2012-10-09 | 2014-04-09 | 南京理工大学 | Method for installing and adjusting near infrared large-sized long focal length lens by use of three-coordinate measuring instrument |
-
2014
- 2014-06-19 CN CN201410276144.XA patent/CN104062771A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60150016A (en) * | 1984-01-17 | 1985-08-07 | Ricoh Co Ltd | Adjusting and assembling device for lens system |
| US5521764A (en) * | 1994-01-14 | 1996-05-28 | Jenoptik Gmbh | Device for lateral adjustment of lenses in a high-performance lens system |
| CN103713370A (en) * | 2012-10-09 | 2014-04-09 | 南京理工大学 | Method for installing and adjusting near infrared large-sized long focal length lens by use of three-coordinate measuring instrument |
| CN203502681U (en) * | 2013-10-21 | 2014-03-26 | 中国科学院西安光学精密机械研究所 | Cylindrical mirror assembly gluing equipment |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109343189A (en) * | 2018-11-21 | 2019-02-15 | 北京遥感设备研究所 | A kind of conformal optics head-shield adhering device and Method of Adjustment |
| CN110531531A (en) * | 2019-09-27 | 2019-12-03 | 昆明北方红外技术股份有限公司 | The Method of Adjustment of Cassegrain optical system primary and secondary reflecting mirror |
| CN113290378A (en) * | 2021-04-15 | 2021-08-24 | 西安理工大学 | Roundness adjusting device of precise arc guide rail based on piezoelectric ceramics |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8085482B2 (en) | X-Y adjustable optical mount with Z rotation | |
| US7916408B2 (en) | X-Y adjustable optical mount | |
| CN102565983B (en) | Axial fine adjustment device for movable mirror | |
| CN103235419B (en) | Accurate off-line shaft fixing device and method of wedge-shaped lens disassembly and assembly unit | |
| CN103676065B (en) | The regulation fixing apparatus of Large Aperture Lenses | |
| CN109495672A (en) | Camera module and its assemble method | |
| CN104062771A (en) | Eccentric adjustment method of optical lens with submicron order control precision | |
| CN110855856B (en) | Assembling method of multi-group optical lens based on motor optical assembly | |
| CN105372942B (en) | A kind of active deformation device for mirror unit | |
| CN103472690A (en) | Axial adjusting device for optical element in projection objective system | |
| CN104977710B (en) | A kind of optical system picture element compensation device | |
| US10054755B2 (en) | Lens-fixing device, method of adjusting lens-fixing device, and lens-fixing method | |
| CN102169218B (en) | Optical element axial adjusting device with aligning function | |
| CN107976767B (en) | Infrared lens precise centering device and method based on low-stress clamping | |
| CN103472555A (en) | Dual-motor optical element axial adjustment device | |
| CN208795907U (en) | High-precision compact focusing mechanism for aerial optical remote sensor | |
| CN105136169A (en) | Assembling device for laser gyroscope optical element | |
| CN219320573U (en) | Multi-axis adjusting device of two-dimensional vibrating mirror | |
| JP2015118111A (en) | Lens frame, lens assembly, and manufacturing method of lens assembly | |
| CN113655585B (en) | Method for adjusting and detecting zoom imaging lens | |
| CN214669794U (en) | Gluing centering device for spherical products | |
| TW201104298A (en) | Lens module and method for assembly same | |
| CN103885302B (en) | Force feedback precision supporting device for clamping optical element | |
| CN102169219B (en) | Radial adjustment device for optical system | |
| Latyev et al. | Analysis of certain issues in the assembly of fast objectives |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140924 |