CN102661855A - Method and system for progressive additional lens detection based on optical coherence tomography - Google Patents
Method and system for progressive additional lens detection based on optical coherence tomography Download PDFInfo
- Publication number
- CN102661855A CN102661855A CN2012101752514A CN201210175251A CN102661855A CN 102661855 A CN102661855 A CN 102661855A CN 2012101752514 A CN2012101752514 A CN 2012101752514A CN 201210175251 A CN201210175251 A CN 201210175251A CN 102661855 A CN102661855 A CN 102661855A
- Authority
- CN
- China
- Prior art keywords
- light
- progressive multi
- progressive
- focal lenses
- signal
- 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
Images
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention discloses a method and a system for progressive additional lens detection based on optical coherence tomography. The method includes: indirectly obtaining a three-dimensional image of a progressive additional lens by means of optical coherence tomography, working out the curvature radius of each point of a curved surface and thickness information of corresponding positions, and calculating to obtain optical characteristic parameters of the progressive additional lens according to known refractive index parameters in materials; and on the other hand, surface shape precision of the actual progressive additional lens can be evaluated according to the obtained three-dimensional image. A scanning detection system comprises a system light source, an optical fiber coupling and interference unit, a reference arm unit, a sample arm unit, a signal detection unit, a PC (personal computer) and a control circuit. By the method and the system for progressive additional lens detection based on optical coherence tomography, detection of optical characteristic parameters of the progressive additional lens can be realized while measurement of the whole surface of the progressive additional lens can be further realized. In addition, the method and the system for progressive additional lens detection have the advantages of high measurement resolution and precision, high reliability of measurement results, low cost and the like.
Description
Technical field
The present invention relates to a kind of method and system, be used for the optical property parameter and the surface figure accuracy of progressive multi-focal lenses sheet are detected simultaneously based on optical coherence tomography detection multifocal spectacle lenses.
Background technology
Over nearly 5 years; Improving constantly and innovating along with material technology and processing design level; " progressive multi-focal lenses sheet " this novel concept proposes and becomes a reality at spectacles industry gradually; This " progressive multi-focus lens " that forms based on personalized thinking design and digitizing fabrication technique manifested the fast-developing trend that progressively replaces traditional product and then rise to main product, and digitizing, intelligentized progressive multi-focus lens process technology are called a technological revolution of spectacles industry in the industry.Advanced countries such as Germany, the U.S. have released the detection technique and the equipment of progressive multi-focus lens successively, and relevant device is bought and introduced in fast transformation and the upgrading of China's spectacles industry in order to realize self one after another.According to incompletely statistics, between short one or two years, the domestic enterprise of China costs nearly 1.6 hundred million, introduces external progressive multi-focus lens checkout equipment in a large number.Parties concerned predictions, the eyeglass of this intelligent fabrication technique based on the individual demand development will occupy the half of the country in whole glasses market in the coming years.The quick popularization and the development of progressive multi-focus lens technology and processing and checkout equipment make the development of China's spectacles industry and the quality safety of eyeglass receive unprecedented challenge.
Mainly contain five kinds of methods or principle at present and can be used for measuring progressive multi-focus lens, be respectively: follow-on lensmeter (multiple spot reception), based on map method (Mapping) measuring instrument of Hartmann's principle, based on the progressive additional analyser of Moire fringe principle with based on the sensing appearance of wavefront technology (WAVE FRONT).At present these methods exist that detection speed is slow, to detect cost high or lack shortcomings such as robustness and fault are many.In addition, according to these principles, only can provide the shading value and the post mirror topomap of finished product eyeglass to be measured.From the design and the processing aspect of present progressive multi-focus lens, modern optical computing software can to lens surface almost every bit set up equation, carry out extensive computing, find out only lens surface curvature distribution mode.In conjunction with high-precision CNC processing technology, can carry out accurate grinding and polishing to the lens surface every bit, process the progressive additional of optimizing fully to prescription (even comprise personalization join the mirror parameter).But compare with processing with the design of progressive multi-focus lens, present instrument also rests on the detection of progressive multi-focal lenses sheet can only provide the optical parametric of progressive multi-focal lenses sheet information, and the surface figure accuracy information of progressive multi-focus lens can't be provided.Whether detect the progressive multi-focal lenses sheet conforms to design; It is the key link of the progressive multi-focal lenses sheet being carried out quality testing; Detect when having only realization, could provide the quality of different progressive multi-focal lenses sheets comprehensively and rational evaluation the surface figure accuracy of progressive multi-focal lenses sheet and optical parametric.
Summary of the invention
The invention discloses a kind of method and system that detect the progressive multi-focal lenses sheet based on optical coherence tomography; Can effectively overcome the optical property parameter that prior art can only be used for measuring the progressive multi-focal lenses sheet; And surface figure accuracy information can't be provided, and detection speed is slow, cost is high, lack drawbacks such as robustness and fault are many.Adopt technical scheme of the present invention; When the optical property parameter of realizing the progressive multi-focal lenses sheet is measured; Can also carry out easily and fast the face shape error of progressive multi-focal lenses sheet and detection accurately, reach the quality of progressive multi-focal lenses sheet is carried out comprehensively and the purpose of rational evaluation.
The technical scheme that the present invention adopted is:
A kind of method that detects the progressive multi-focal lenses sheet based on optical coherence tomography; It is characterized in that: the method for utilizing optical coherence tomography; Obtain the 3-D view of progressive multi-focal lenses sheet indirectly; The 3 d image data that utilization obtains is obtained the radius of curvature of curved surface each point and the lens thickness information of relevant position, combines the refractive index value of lens materials again, calculates the optical performance parameter of progressive multi-focal lenses sheet; On the other hand, based on the 3-D view that obtains, can estimate the surface figure accuracy of actual progressive multi-focus lens.The practical implementation step is following:
(1) the main process of the 3-D view of scanning progressive multi-focal lenses sheet is: PC sends the driving triangular wave of different frequency respectively to reference arm galvanometer and sample arm galvanometer; Data acquisition is stuck under the driving of reference arm drive signal, carries out signals collecting with some cycles; On sample arm, detector is a photodiode, is converted into electric signal through the photodiode receiving optical signals, passes through the current amplifier amplifying signal then, is linked into data collecting card through low-noise preamplifier again, then the PC processing signals; Depth direction at progressive multi-focal lenses sheet to be measured obtains a sweep trace like this, and every line is made up of some spots, and every sweep trace all comprises the similar envelope of some shapes, and every envelope is represented a plane of progressive multi-focus lens to be measured; Through repeatedly scanning, just can restore the 3-D view of progressive multi-focal lenses sheet;
(2) according to the 3-D view of the progressive multi-focal lenses sheet that obtains; Calculate the radius-of-curvature of each unique point and the thickness of position by PC; Try to achieve the diopter parameter according to the focal length solution formula, and then obtain prism degree, the required optical property parameter information of post mirror degree;
(3) according to the 3-D view of the progressive multi-focal lenses sheet that obtains,, evaluate the face shape error of progressive additional by the surface figure accuracy of SURFACES MATCHING algorithm computation progressive multi-focal lenses sheet.
Described progressive multi-focal lenses sheet 3-D view measuring system adopts the twin-beam difference measurement, and promptly the reference arm signal is as measuring basis, and sample arm is a measuring-signal, and two groups of data that record are carried out difference processing.
A kind of detection system based on optical coherence tomography detection progressive multi-focal lenses sheet comprises system source A, optical fiber coupling and interference unit B, reference arm unit C, sample arm cells D, acquisition of signal unit E, PC and control circuit; It is characterized in that:
(1) light source is connected through light with optical fiber collimator, collimating apparatus through optical fiber successively with fiber coupler 1, fiber coupler 2 32 light connect, the light that fiber coupler two sends gets into reference arm unit C and sample arm cells D respectively; In reference arm unit C, incident laser is connected with quick delay line 42 light of Fourier with laser aligner 41 successively;
(2) in the quick delay line 42 of Fourier; Incident laser is connected with balzed grating, 421, lens 423, galvanometer 424 light successively; Reverberation is connected with level crossing 422 light; The light of level crossing 422 reflections is connected with balzed grating, 421, lens 423, galvanometer 424 light once more; Reverberation overlaps with the incident laser circuit, is going into optical fiber coupler and interference unit B through collimating mirror 41 is laggard;
(3) in the sample arm cells D, a catoptron is set after the sample arm, incident laser successively with collimating mirror 71 galvanometers 72, object lens 73, sample 17 light connect.
(4) in optical fiber coupling and interference unit B, the light that returns from reference arm unit C and sample arm cells D gets into fiber coupler 2 32 and fiber coupler 1 respectively through the 2*2 coupling mechanism, from the light entering signal probe unit E of fiber coupler outgoing.
(5) in acquisition of signal unit E; Be connected with photodetector 2 62 with photodetector 1 respectively with the light of interference unit B outgoing from the optical fiber coupling; The input end that gets into differential amplifier circuit is respectively formed the differential signal input; After the signal process data collecting card collection of differential amplifier circuit output, input in the PC 16.
(6) described control circuit is responsible for signal to light source driving, data collecting card, synchronizing circuit being provided, and synchronizing circuit then connects data acquisition unit and the galvanometer driving provides synchronizing signal.
In described PC; Be provided with data handling system and reconfiguration system; According to software program the reduction of data of data acquisition unit collection is become two dimension or 3-D view and calculates each point curvature, combined refractive index calculates the optical property parameter of progressive multi-focal lenses sheet to be measured; Simultaneously can pass through Flame Image Process, with image output, in conjunction with the surface figure accuracy of SURFACES MATCHING algorithm computation progressive multi-focal lenses sheet, the face shape error of evaluation progressive additional.
Method and the detection system that detects the progressive multi-focal lenses sheet based on optical coherence tomography of the present invention; Overcome that the operation of existing detection method is loaded down with trivial details, installation cost is high, proving time is oversize, the testing result precision is low and shortcoming and defect such as easy deadlock; Through the OCT method progressive multi-focal lenses sheet is realized detecting; Simplified testing procedure; Have and measure the face shape information that required time weak point, Measurement Resolution and measuring accuracy are high, the measurement result reliability is high, the while can provide the progressive multi-focal lenses sheet, both reduced the detection cost.Can realize accurate, the online detection of progressive multi-focal lenses sheet again.
Description of drawings
Fig. 1 the present invention is based on the method theory diagram that optical coherence tomography detects the progressive multi-focal lenses sheet;
Fig. 2 the present invention is based on the detection system structural representation that optical coherence tomography detects the progressive multi-focal lenses sheet.
Fig. 3 is the inner structure synoptic diagram of the quick delay line 42 of Fourier
1, light source, 2, optical fiber collimator, 31, fiber coupler one, 32, fiber coupler two, 41, laser aligner; 42, the quick delay line of Fourier, 421, blazed grating, 422, level crossing, 423, lens, 424, galvanometer; 71, collimating mirror, 72, galvanometer, 73, object lens, 17, sample, 61, photodetector one; 62, photodetector two, 63, differential amplifier circuit, 9, data collecting card, 16, PC.
A, system source, B, optical fiber coupling and interference unit, C, reference arm unit, D, sample arm unit, E, acquisition of signal unit.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is elaborated.
The detection method that detects the progressive multi-focal lenses sheet based on optical coherence tomography of the present invention; It is the method for utilizing optical coherence tomography; Measure the 3-D view of progressive multi-focal lenses sheet; And try to achieve the curvature of progressive multi-focal lenses sheet each point and the thickness of relevant position through the 3-D view that records, and combine the refractive index value of lens materials to calculate again through the focal length computing formula, realize the detection of progressive multi-focal lenses sheet optical parametric; On the other hand, based on the 3-D view that obtains, can estimate the surface figure accuracy of actual progressive multi-focus lens.
Detection method is specifically: adopt the indirect measurement method of optical coherence tomography image, realize the detection of progressive multi-focal lenses sheet optical parametric, based on the 3-D view that obtains, can estimate the surface figure accuracy of actual progressive multi-focus lens simultaneously.
The indirect measurement method of described OCT 3-D view; Be based on the principle of OCT; At first obtain the single-point light intensity, obtain the light intensity on the same plane through a scanning direction galvanometer; Thereby the scanning galvanometer then through other direction obtains the data that the light intensity of depth direction obtains a plurality of tomographies; Through data recovery obtain tested progressive multi-focal lenses sheet image, choose the radius-of-curvature that the progressive additional unique point is carried out surface reconstruction, found the solution curved surface thickness and calculated characteristics point, in conjunction with the refractive index parameter of progressive additional, according to focal length of lens solution formula; Obtain the diopter of progressive multi-focal lenses sheet, and then try to achieve other optical parametrics of progressive multi-focal lenses sheets such as prism degree, post mirror degree.On the other hand, based on the 3-D view that obtains, can estimate the surface figure accuracy of actual progressive multi-focus lens.
Be example with refractive index n=1.6, diopter for the detection of the progressive multi-focal lenses sheet of-3.00D below, set forth the measuring method of optical coherence tomography progressive multi-focal lenses sheet optical parametric, detailed detection step is following:
(1) 3-D view of scanning progressive multi-focal lenses sheet; Detailed process is: PC sends the driving triangular wave of certain frequency to the scanning galvanometer on the reference arm; Sample arm is sent the driving triangular wave of another frequency; Data acquisition is stuck under the driving of reference arm drive signal, also samples with the identical cycle; On sample arm; Detector is selected photodiode (PIN pipe) for use, accepts light signal through photodiode and is converted into electric signal, passes through the current amplifier amplifying signal then; Be linked into digital collection card, PC processing signals then through low-noise preamplifier.Utilize this mode, can obtain a sweep trace in the depth direction of progressive multi-focal lenses sheet to be measured, every line is made up of some spots.Every sweep trace all comprises the similar envelope of some shapes, every reflecting surface that the envelope representative sample is inner.Utilize this mode, just can restore the 3-D view of progressive multi-focal lenses sheet.
(2) according to the 3-D view of the progressive additional that obtains; Calculate the radius-of-curvature of each unique point and the thickness of position; The refractive index value of bond material is tried to achieve the diopter parameter according to the focal length solution formula, and then obtains required optical property parameter information such as prism degree, post mirror degree.
(3) according to the 3-D view of the progressive multi-focal lenses sheet that obtains, can calculate the surface figure accuracy of progressive multi-focal lenses sheet, judge with this whether actual eyeglass is consistent with original design, be used for quality inspection.
In technique scheme; In the process of carrying out the measurement of progressive multi-focal lenses sheet 3-D view; Adopt the twin-beam difference measurement, promptly the reference arm signal is as measuring basis, and the sample arm signal is as measuring samples; Two groups of data to recording are carried out difference processing, thereby eliminate or weaken the influence to measuring accuracy such as environmental factor.
The present invention is accurate and convenient for what narrate; Be that example is described in detail with the progressive multi-focal lenses sheet in an embodiment; But the method that the present invention passes through is equally applicable to the detection of other progressive additional optical mirror slips, so foregoing is all within protection domain of the present invention.
As depicted in figs. 1 and 2, the detection system based on OCT technology for detection progressive multi-focal lenses sheet parameter of the present invention includes: the wideband light source of system; Optical fiber coupling and interference portion, reference arm unit, sample arm unit; Acquisition of signal unit, PC and control circuit.
To concrete practical structures situation of the present invention; The light that light source 1 sends among the present invention is through behind collimating apparatus 2 collimations; Get in the fiber coupler 31, the light that sends from fiber coupler 1 gets into reference arm unit C and sample arm cells D respectively through fiber coupler 2 32.
In reference arm unit C, the laser of incident is earlier through getting into the quick delay line 42 of Fourier behind laser aligner 41 collimations.
After getting into the quick delay line 42 of Fourier; As shown in Figure 3; Incident ray is by blazed grating 421 diffuse reflections, and separated into two parts: a part of light incides on the galvanometer 424 after lens 423 receive, and the light that reflects from galvanometer 424 arrives on the blazed grating 421 through lens 423 transmissions once more; Another part light is received by catoptron 422, after catoptron 422 reflections, incides on the blazed grating 421, after receiving through lens 423, incides on the galvanometer 424 then, and the light that reflects from galvanometer 424 arrives blazed grating 421 through lens 423 transmissions once more.This two parts light is gone into optical fiber coupling and interference unit B through collimating mirror 41 collimations are laggard.
In the sample arm cells D; The laser of incident incides reflection on the galvanometer 72 through behind collimating mirror 71 collimations, and the light of reflection incides on the sample 17 through object lens 73; Incide galvanometer 72 reflections from the light of sample 17 reflections through object lens 73, incide optical fiber coupling and interference unit B through collimating mirror 71.
In optical fiber coupling and interference unit B, the light that has sample message that returns from reference arm unit C and sample arm cells D gets into fiber coupler 2 32 and fiber coupler 1 respectively, and the light of outgoing is distinguished entering signal probe unit E.
In acquisition of signal unit E; Get into photodetector 1 and photodetector 2 62 respectively from the light of optical fiber coupling and interference unit B outgoing; After opto-electronic conversion; The input end that gets into differential amplifier circuit is respectively formed the input of differential signal, after gathering through data collecting card from the signal of differential amplifier circuit output, inputs in the PC 16.
Above-mentioned structure main part is to control through control circuit, and control circuit is responsible for signal to light source driving, data collecting card, synchronizing circuit being provided, and synchronizing circuit then connects data acquisition unit and the galvanometer driving provides synchronizing signal.
In above-mentioned PC 16; Be provided with data processing and reconfiguration system; The reduction of data of data acquisition unit collection is become two dimension or 3-D view and calculates each point curvature and thickness, and combined refractive index utilizes the focal length computing formula to calculate the optical property parameter of progressive multi-focal lenses sheet to be measured.Export the image of the progressive multi-focal lenses sheet of surveying then through Flame Image Process, and carry out face shape and detect.
Although method and apparatus of the present invention is described through detailed implementation process; But those skilled in the art obviously can be spliced the described method and apparatus of the application in not breaking away from content of the present invention, spirit and scope or change; Or increase and decrease some parts; More particularly, the replacement that all are similar and change apparent to those skilled in the artly, they are regarded as and are included among the principle of the invention, scope and the content.
Claims (3)
1. method that detects the progressive multi-focal lenses sheet based on optical coherence tomography; It is characterized in that: the method for utilizing optical coherence tomography; Obtain the 3-D view of progressive multi-focal lenses sheet indirectly; The 3 d image data that utilization obtains is obtained the radius-of-curvature of curved surface each point and the thickness information of relevant position, and the refractive index parameter that bond material is known again calculates the optical property parameter of progressive multi-focal lenses sheet; On the other hand, according to the 3-D view that obtains, can estimate the surface figure accuracy of actual progressive multi-focus lens; The practical implementation step is following:
(1) the main process of the 3-D view of scanning progressive multi-focal lenses sheet is: PC sends the driving triangular wave of different frequency respectively to reference arm galvanometer and sample arm galvanometer; Data acquisition is stuck under the driving of reference arm drive signal, carries out signals collecting with some cycles; On sample arm, detector is a photodiode, is converted into electric signal through the photodiode receiving optical signals, passes through the current amplifier amplifying signal then, is linked into data collecting card through low-noise preamplifier again, then the PC processing signals; Depth direction at progressive multi-focal lenses sheet to be measured obtains a sweep trace like this, and every line is made up of some spots, and every sweep trace all comprises the similar envelope of some shapes, and every envelope is represented a plane of progressive multi-focus lens to be measured; Through repeatedly scanning, just can restore the 3-D view of progressive multi-focal lenses sheet;
(2) according to the 3-D view of the progressive additional that obtains; Obtain the radius-of-curvature of each unique point and the thickness of position by PC calculating; The refractive index parameter of bond material; Try to achieve the diopter parameter according to the focal length solution formula, and then obtain prism degree, the required optical property parameter information of post mirror degree;
(3) according to the 3-D view of the progressive multi-focal lenses sheet that obtains,, evaluate the face shape error of progressive additional by the surface figure accuracy of SURFACES MATCHING algorithm computation progressive multi-focal lenses sheet.
2. a kind of method that detects the progressive multi-focal lenses sheet based on optical coherence tomography according to claim 1; It is characterized in that: described progressive multi-focal lenses sheet 3-D view is measured; Adopt the twin-beam difference measurement; Be the reference arm signal as measuring basis, sample arm is carried out difference processing as measuring-signal to two groups of data that record.
3. a kind of detection system based on optical coherence tomography detection progressive multi-focal lenses sheet according to claim 1 comprises system source, optical fiber coupling and interference unit, reference arm unit, sample arm unit, acquisition of signal unit, PC and control circuit; It is characterized in that:
(1) light source is connected through light with optical fiber collimator, collimating apparatus through optical fiber successively with fiber coupler 1, fiber coupler 2 32 light connect, the light that fiber coupler two sends gets into reference arm unit C and sample arm cells D respectively; In reference arm unit C, incident laser is connected with quick delay line 42 light of Fourier with laser aligner 41 successively;
(2) in the quick delay line 42 of Fourier; Incident laser is connected with balzed grating, 421, lens 423, galvanometer 424 light successively; Reverberation is connected with level crossing 422 light; The light of level crossing 422 reflections is connected with balzed grating, 421, lens 423, galvanometer 424 light once more; Reverberation overlaps with the incident laser circuit, is going into optical fiber coupler and interference unit B through collimating mirror 41 is laggard;
(3) in the sample arm cells D, a catoptron is set after the sample arm, incident light is connected with collimating mirror 71, galvanometer 72, object lens 73, sample 17 light successively;
(4) in optical fiber coupling and interference unit B, the light that returns from reference arm unit C and sample arm cells D gets into fiber coupler 2 32 and fiber coupler 1 respectively through the 2*2 coupling mechanism, from the light entering signal probe unit E of fiber coupler outgoing.
(5) in acquisition of signal unit E; Be connected with photodetector 2 62 with photodetector 1 respectively with the light of interference unit B outgoing from the optical fiber coupling; The input end that gets into differential amplifier circuit is respectively formed the differential signal input; After the signal process data collecting card collection of differential amplifier circuit output, input in the PC 16.
(6) described control circuit is responsible for signal to light source driving, data collecting card, synchronizing circuit being provided, and synchronizing circuit then connects data acquisition unit and the galvanometer driving provides synchronizing signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101752514A CN102661855A (en) | 2012-05-31 | 2012-05-31 | Method and system for progressive additional lens detection based on optical coherence tomography |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101752514A CN102661855A (en) | 2012-05-31 | 2012-05-31 | Method and system for progressive additional lens detection based on optical coherence tomography |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102661855A true CN102661855A (en) | 2012-09-12 |
Family
ID=46771388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101752514A Pending CN102661855A (en) | 2012-05-31 | 2012-05-31 | Method and system for progressive additional lens detection based on optical coherence tomography |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102661855A (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103090808A (en) * | 2013-01-22 | 2013-05-08 | 浙江大学 | High-precision wide-range gap measuring method and system based on spectrum phase |
| CN103115753A (en) * | 2013-03-07 | 2013-05-22 | 上海理工大学 | Focal power detecting system of multifocal lens based on Talbot effect |
| CN104605810A (en) * | 2015-02-15 | 2015-05-13 | 杭州市质量技术监督检测院 | Detecting system for diopter of progressive multi-focal lens |
| CN104781644A (en) * | 2012-11-14 | 2015-07-15 | 埃西勒国际通用光学公司 | Method of determining optical parameters of an opthalmic lens |
| CN105510005A (en) * | 2016-01-13 | 2016-04-20 | 中国工程物理研究院激光聚变研究中心 | Measuring instrument for transmittance and reflectivity of optical element |
| CN106767522A (en) * | 2017-04-01 | 2017-05-31 | 长春理工大学 | A kind of freeform optics surface detection method and device for heavy caliber depth rise |
| CN107860776A (en) * | 2017-11-22 | 2018-03-30 | 佛山科学技术学院 | A kind of defect of lens detection means and method |
| CN108256758A (en) * | 2018-01-11 | 2018-07-06 | 重庆千叶眼镜连锁有限公司 | Glasses are equipped with quality control management information system |
| CN108535585A (en) * | 2018-04-18 | 2018-09-14 | 丹阳市精通眼镜技术创新服务中心有限公司 | A kind of photoelectric composite drum burn out detection glasses and preparation method thereof |
| CN108937842A (en) * | 2018-07-09 | 2018-12-07 | 执鼎医疗科技（杭州）有限公司 | A kind of OCT system integrating confocal fundus imaging |
| CN109272196A (en) * | 2018-08-21 | 2019-01-25 | 孔繁鹤 | Glasses method for quality control and system |
| CN109556839A (en) * | 2019-01-08 | 2019-04-02 | 江苏明月光电科技有限公司 | A kind of more optical axis progressive multi-focus lens focal power measuring systems and method |
| CN111896228A (en) * | 2020-07-10 | 2020-11-06 | 浙江大学 | Lens reliability front and back nondestructive testing method and device based on optical coherent imaging |
| CN113483679A (en) * | 2021-07-06 | 2021-10-08 | 东北大学秦皇岛分校 | Contact lens parameter measuring device and method |
| CN114199521A (en) * | 2021-11-30 | 2022-03-18 | 宁波法里奥光学科技发展有限公司 | Optical lens parameter measuring device and method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101454708A (en) * | 2006-05-25 | 2009-06-10 | 库柏维景国际控股公司 | Measurement of lenses and lens molds using optical coherence tomography |
-
2012
- 2012-05-31 CN CN2012101752514A patent/CN102661855A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101454708A (en) * | 2006-05-25 | 2009-06-10 | 库柏维景国际控股公司 | Measurement of lenses and lens molds using optical coherence tomography |
Non-Patent Citations (4)
| Title |
|---|
| M.WOJTKOWSKI 等: "Full range complex spectral optical coherence tomography technique in eye imaging", 《OPTICS LETTERS》, vol. 27, no. 16, 15 August 2002 (2002-08-15), XP 002513622, DOI: doi:10.1364/OL.27.001415 * |
| SHULIANG JIAO 等: "Simultaneous acquisition of sectional and fundus ophthalmic images with spectral-domain optical coherence tomography", 《OPTICS EXPRESS》, vol. 13, no. 2, 24 January 2005 (2005-01-24), XP 002442897, DOI: doi:10.1364/OPEX.13.000444 * |
| 王玲: "光学相干层析视网膜成像系统研究", 《中国博士学位论文全文数据库工程科技Ⅱ辑》, no. 08, 15 August 2008 (2008-08-15) * |
| 高栋 等: "光学自由曲面面形误差评定算法的研究", 《哈尔滨工业大学学报》, vol. 38, no. 10, 31 October 2006 (2006-10-31) * |
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104781644A (en) * | 2012-11-14 | 2015-07-15 | 埃西勒国际通用光学公司 | Method of determining optical parameters of an opthalmic lens |
| CN104781644B (en) * | 2012-11-14 | 2017-11-03 | 埃西勒国际通用光学公司 | The method for determining the optical parametric of ophthalmic len |
| CN103090808B (en) * | 2013-01-22 | 2015-10-28 | 浙江大学 | A kind of high precision and large measuring range measurement method for distance based on spectrum position phase and system |
| CN103090808A (en) * | 2013-01-22 | 2013-05-08 | 浙江大学 | High-precision wide-range gap measuring method and system based on spectrum phase |
| CN103115753A (en) * | 2013-03-07 | 2013-05-22 | 上海理工大学 | Focal power detecting system of multifocal lens based on Talbot effect |
| CN104605810A (en) * | 2015-02-15 | 2015-05-13 | 杭州市质量技术监督检测院 | Detecting system for diopter of progressive multi-focal lens |
| CN105510005B (en) * | 2016-01-13 | 2019-01-15 | 中国工程物理研究院激光聚变研究中心 | A kind of optical element Transflective rate measuring instrument |
| CN105510005A (en) * | 2016-01-13 | 2016-04-20 | 中国工程物理研究院激光聚变研究中心 | Measuring instrument for transmittance and reflectivity of optical element |
| CN106767522A (en) * | 2017-04-01 | 2017-05-31 | 长春理工大学 | A kind of freeform optics surface detection method and device for heavy caliber depth rise |
| CN107860776A (en) * | 2017-11-22 | 2018-03-30 | 佛山科学技术学院 | A kind of defect of lens detection means and method |
| CN108256758A (en) * | 2018-01-11 | 2018-07-06 | 重庆千叶眼镜连锁有限公司 | Glasses are equipped with quality control management information system |
| CN108535585A (en) * | 2018-04-18 | 2018-09-14 | 丹阳市精通眼镜技术创新服务中心有限公司 | A kind of photoelectric composite drum burn out detection glasses and preparation method thereof |
| CN108535585B (en) * | 2018-04-18 | 2023-05-02 | 丹阳市精通眼镜技术创新服务中心有限公司 | Photoelectric composite wire coil breakage detection glasses and manufacturing method thereof |
| CN108937842A (en) * | 2018-07-09 | 2018-12-07 | 执鼎医疗科技（杭州）有限公司 | A kind of OCT system integrating confocal fundus imaging |
| CN109272196A (en) * | 2018-08-21 | 2019-01-25 | 孔繁鹤 | Glasses method for quality control and system |
| CN109556839A (en) * | 2019-01-08 | 2019-04-02 | 江苏明月光电科技有限公司 | A kind of more optical axis progressive multi-focus lens focal power measuring systems and method |
| CN109556839B (en) * | 2019-01-08 | 2024-04-02 | 明月镜片股份有限公司 | Multi-visual axis progressive addition lens focal power measurement system and method |
| CN111896228A (en) * | 2020-07-10 | 2020-11-06 | 浙江大学 | Lens reliability front and back nondestructive testing method and device based on optical coherent imaging |
| CN111896228B (en) * | 2020-07-10 | 2021-06-01 | 浙江大学 | Lens reliability front and back nondestructive testing method and device based on optical coherent imaging |
| CN113483679A (en) * | 2021-07-06 | 2021-10-08 | 东北大学秦皇岛分校 | Contact lens parameter measuring device and method |
| CN114199521A (en) * | 2021-11-30 | 2022-03-18 | 宁波法里奥光学科技发展有限公司 | Optical lens parameter measuring device and method |
| CN114199521B (en) * | 2021-11-30 | 2023-09-08 | 宁波法里奥光学科技发展有限公司 | Optical lens parameter measuring device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102661855A (en) | Method and system for progressive additional lens detection based on optical coherence tomography | |
| CN102183360B (en) | The detection method of polarization extinction ratio of optical polarizer and pick-up unit | |
| CN104613881A (en) | Lens center thickness measuring device and method based on double face confocal measurement | |
| CN102261985A (en) | Optical system wave aberration calibration apparatus and calibration method of using apparatus to test error | |
| CN104165582A (en) | Phase shift point-diffraction interference detection device and method based on reflecting grating | |
| CN101545760A (en) | Optical transmission spherical surface detector | |
| CN103175837A (en) | Method and device for detecting defect in matrix | |
| CN110736721B (en) | Glass plate refractive index uniformity detection device and detection method based on diffraction grating | |
| CN204649162U (en) | A kind of fiber grating distributed strain pick-up unit | |
| CN102889979A (en) | Polarization crosstalk estimation and symmetry estimation method of optical fiber ring | |
| CN104833486A (en) | Multi-reflection laser differential confocal long focal length measuring method and multi-reflection laser differential confocal long focal length measuring device | |
| CN102507156A (en) | Device for measuring size of spot focused by focusing optical system and using method for device | |
| CN102889978B (en) | Device and method for detecting large-aperture window | |
| CN105352915A (en) | Refractive index two-dimensional distribution dynamic measurement method | |
| CN102818541B (en) | High-resolution rolling-angle measuring device and measuring method | |
| CN102889980A (en) | Method for detecting micro lens fixed focus based on grating shear interference detection system | |
| CN103759675A (en) | Synchronous detection method for aspheric surface micro-structures of optical elements | |
| CN104897369A (en) | Lens diopter Moire measuring device and measuring method | |
| CN105806231A (en) | Thickness gauge based on optical fiber white light interference principle | |
| CN203259473U (en) | Refractivity measuring device | |
| CN203100685U (en) | Lens center thickness optical detector | |
| CN202709996U (en) | Device capable of measuring film thickness accurately | |
| CN102927930B (en) | Method for detecting ultra-large-diameter reflector surface errors in splicing mode by adopting collimator | |
| CN202676595U (en) | Two-dimensional imaging device based on thermal lens effect | |
| CN105866071B (en) | A kind of fiber optic interferometric method surveys the device of refractive index |
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: 20120912 |