CN109115747A - System and method for based on Raman spectrum and OCT measurement glass material property - Google Patents
System and method for based on Raman spectrum and OCT measurement glass material property Download PDFInfo
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- CN109115747A CN109115747A CN201811059464.4A CN201811059464A CN109115747A CN 109115747 A CN109115747 A CN 109115747A CN 201811059464 A CN201811059464 A CN 201811059464A CN 109115747 A CN109115747 A CN 109115747A
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- 239000011521 glass Substances 0.000 title claims abstract description 67
- 239000000463 material Substances 0.000 title claims abstract description 52
- 238000005259 measurement Methods 0.000 title claims abstract description 31
- 238000001237 Raman spectrum Methods 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000001069 Raman spectroscopy Methods 0.000 claims abstract description 26
- 238000005516 engineering process Methods 0.000 claims abstract description 21
- 239000000126 substance Substances 0.000 claims abstract description 14
- 238000004458 analytical method Methods 0.000 claims abstract description 10
- 238000010586 diagram Methods 0.000 claims abstract description 9
- 238000012545 processing Methods 0.000 claims abstract description 9
- 238000003384 imaging method Methods 0.000 claims abstract description 4
- 230000003287 optical effect Effects 0.000 claims abstract description 4
- 239000002131 composite material Substances 0.000 claims description 5
- 239000000835 fiber Substances 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000000284 extract Substances 0.000 claims description 3
- 238000003786 synthesis reaction Methods 0.000 claims description 3
- 230000009466 transformation Effects 0.000 claims description 3
- 230000001427 coherent effect Effects 0.000 claims description 2
- 230000007613 environmental effect Effects 0.000 claims description 2
- 238000005457 optimization Methods 0.000 claims 1
- 230000003595 spectral effect Effects 0.000 claims 1
- 238000001228 spectrum Methods 0.000 abstract description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 101000572981 Homo sapiens POU domain, class 3, transcription factor 1 Proteins 0.000 description 3
- 102100021543 Solute carrier family 22 member 16 Human genes 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 101100188554 Arabidopsis thaliana OCT5 gene Proteins 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- 239000006004 Quartz sand Substances 0.000 description 1
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 1
- AYJRCSIUFZENHW-DEQYMQKBSA-L barium(2+);oxomethanediolate Chemical compound [Ba+2].[O-][14C]([O-])=O AYJRCSIUFZENHW-DEQYMQKBSA-L 0.000 description 1
- 239000010428 baryte Substances 0.000 description 1
- 229910052601 baryte Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910021538 borax Inorganic materials 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000013075 data extraction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000010433 feldspar Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/65—Raman scattering
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
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- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Abstract
The invention discloses a kind of System and method fors that glass material property is measured based on Raman spectrum and optical coherence imaging (OCT) technology, the system comprises: glass material sample, glass slide, magazine, mobile platform, Raman spectrometer, OCT, data, which are extracted, includes two loopholes with processing module, display, the magazine；The described method includes: obtaining image when glass slide zero load by loophole with OCT first, then the sample being placed on glass slide is detected to obtain sample spectrum diagram and OCT image with OCT and Raman spectrometer respectively；Using computer software analysis image, to obtain sample boundaries and range information, and by the calculating of light path matching principle completion refractive index, analysis raman spectrum obtains sample chemical property；Final measurement is shown by display.It is easy that the present invention designs simple operations；Realize the measurement and comprehensive analysis of the multi objectives such as physical attribute and the chemical component of glass material.
Description
Technical field
The present invention relates to glass material property fields of measurement, more particularly to one kind to measure glass based on Raman spectrum and OCT
The System and method for of Material Physics refractive index and chemical component property.
Background technique
Glass material is widely used in building, is a kind of amorphous inorganic non-metallic material, usually with a variety of inorganic mines
Object (such as quartz sand, borax, boric acid, barite, barium carbonate, lime stone, feldspar, soda ash) is primary raw material, is additionally incorporated few
It measures made of auxiliary material, its main component is silica and other oxides.
Glass materials refractive index is an extremely important physical index, and measurement method includes prism method, Polarization Method (survey
Try Brewster's angle), contact pin method, Abbe refractometer method, also include optical coherence imaging technique (OCT) method, wherein OCT method is more
It is convenient, material need to be only directly placed in scanning range, the OCT image comprising material characteristics information can be obtained, measurement is most
It is simple direct, is a kind of quick, detection refractive index new technique.
Thus the refractive index of glass material can test.But thus much an appraisal basis is relatively simple, especially refractive index phase
In the case where close, it is difficult to distinguish glass material.It is therefore desirable to enrich corresponding measurement index, and Raman spectroscopy conduct
A kind of mature technology can screen different chemical composition using " molecular fingerprint " characteristic of Raman spectrum, and it is used as a kind of half
Quantitative and non-quantitation technology, is difficult accurate quantification different chemical composition content, and refractive index can make up at this time, therefore two kinds of skills
The combination of art can play bigger power, form analysis result more comprehensive to glass material, comprehensive and report.
Apparatus of the present invention realize the combination of above-mentioned technology, and the physics of glass material and the survey of chemical property can be achieved at the same time
Amount obtains the comprehensive evaluating to glass material, and detection is easy, quick, accurate.
Summary of the invention
It is a kind of based on Raman spectrum and OCT technology measurement glass object of the present invention is to provide in view of the defects existing in the prior art
The System and method for of glass material properties, measurement while physics and chemical property to realize glass material, obtains to glass material
The comprehensive evaluating of material, and detection is easy, quick, accurate.
In order to achieve the above object, the present invention adopts the following technical scheme: a kind of measure glass based on Raman spectrum and OCT technology
The system of glass material properties, including glass material sample, glass slide, magazine, mobile platform, Raman spectrometer, OCT, data mention
It takes and includes two loopholes with processing module, display, the magazine.
Further, the Raman spectrometer wavelength model is optional, and the Raman spectrum for measuring glass material sample is believed
Breath；The OCT wavelength model is optional, and principle is the light of low-coherence light source sending after fiber optic splitter, is uniformly divided into
Two beams, respectively enter reference arm and sample arm, the reference light returned by the reflected sample light of sample and mirror reflection
It is coupled on detector through fiber optic splitter phase dry doubling again, (is in image for OCT figure in surface when obtaining glass slide zero load herein
One straight line, referred to as baseline) with place sample when Sample Scan figure.
Preferably, the sample is the glass material of surfacing.
Preferably, the slide thickness is 1 ~ 2mm, measures unloaded image and placement sample for providing OCT.
Preferably, the magazine provides environmental requirement for Raman spectrometer and OCT measurement, extraneous interference is avoided, into one
With walking, the light of loophole there are two the magazine tops, Raman spectrometer and OCT are via herein into magazine.
Further, the mobile platform is for placing glass slide and sample, and horizontal can at the uniform velocity drag platform for drawing
The scanning of graceful spectrometer and OCT to sample.
Preferably, the data extract the synthesis for carrying out unloaded figure and sample drawing with computer software with processing module,
And optimize through median filtering, Boundary Recognition is carried out using canny operator, utilizes Hough transform (Hough
Transformation Straight Line Identification) is carried out to each interface of composite diagram, the distance feature between the straight line of acquisition, according to light path
Sample refractive index is calculated automatically with principle, and analysis raman spectrum obtains sample chemical property.
Further, the display is for showing final glass material property measurement results.
A method of glass material property being measured based on Raman spectrum and OCT technology, comprising the following steps: a, transport first
Baseline image when with OCT by loophole acquisition glass slide zero load；It carries respectively with OCT and Raman spectrometer to being placed on again
Sample on slide is detected, i.e., at the uniform velocity drags mobile platform, be scanned Raman spectrometer successively to sample with OCT and obtain
Take sample Raman spectrogram and OCT image；B, using two image of computer software analysis, to obtain sample boundaries and feature letter
Breath, and by the calculating of light path matching principle formula completion refractive index, pass through the analysis that Raman spectrum completes chemical property；C, final
Measurement result is shown by display.
The beneficial effects of the present invention are: (1) this system realizes Raman spectroscopy and two kinds of optical coherence imaging technique
The combination of technology fast implements the physical attribute (light refractive index) and systematic survey and the analysis of chemical component of glass material.
(2) this method realizes the light refractive index of glass material difference tomography by computer software by arithmetic programming
Automation, digitlization, intelligent measuring.
Detailed description of the invention
Attached drawing 1 is system and device schematic diagram of the invention.
Attached drawing 2 is measuring method flow chart provided by the invention.
Attached drawing 3 is Method And Principle schematic diagram provided by the present invention.
Attached drawing 4 is a kind of glass material embodiment Raman spectrogram provided by the invention.
Attached drawing 5 is a kind of glass material embodiment OCT figure provided by the invention, composite diagram.
Attached drawing 6 is the interaction figure provided by the invention using 5 composite diagram of attached drawing after algorithm process.
In figure, 1- sample 2- glass slide 3- magazine 301-OCT loophole 302- Raman spectrometer loophole 4- is moved
Moving platform 5-OCT 6- Raman spectrometer 7- data are extracted and processing module 8- display.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specifically real
Applying example, the invention will be further described, so that those skilled in the art can better understand technical solution of the present invention,
But the embodiment of invention is without being limited thereto.
As shown in Figure 1, for a kind of system and device principle for measuring glass material property based on Raman spectrum and OCT technology
Figure, including glass material sample 1, glass slide 2, magazine 3, mobile platform 4, Raman spectrometer 5, OCT6, data are extracted and processing
Module 7, display 8, the magazine include two loopholes 301,302.
It is illustrated in figure 2 a kind of method flow based on Raman spectrum and OCT technology measurement glass material property of the present invention
Figure, comprising the following steps: the mobile platform 4 for not placing sample 1 a, is placed in 301 lower section of loophole, starting OCT6 acquisition carries glass
Unloaded baseline chart when piece 2 is unloaded, the glass material sample of surfacing 1 is placed, placed it in later under loophole 302
Side, then mobile platform 4 is at the uniform velocity dragged, Raman spectrometer 5 is respectively started and OCT6 scanning obtains the Raman spectrum of sample 1 and OCT schemes
Picture；B, scanning figure acquired in two instruments is uploaded to data extraction and processing module 7 through data line connection, here with meter
Calculation machine software carries out the synthesis of unloaded figure and sample drawing, and optimizes through median filtering, carries out Boundary Recognition using canny operator,
Straight Line Identification is carried out using each interface of the Hough transform (Hough Transformation) to composite diagram, is scanned along longitudinal direction
(algorithm process schematic diagram p in such as Fig. 30~p4It is shown) obtain straight line between distance feature, calculated automatically according to light path matching principle
Sample refractive index, analysis raman spectrum obtain sample chemical property；C, final result is connected to display 8 by data line and carries out
Display.
It should be noted that wherein can realize the measurement to sample refractive index, principle such as Fig. 3 institute based on light path matching principle
Show: the light path matching principle and the corresponding faultage image location information of physics light path that OCT coherent measurement requires: placing sample
Before, i.e., when objective table is vacant, its tomograph is scanned, the position of stage surface is y in figure0(as baseline position)；It is carrying
After placing sample on object platform, it is tightly attached to the lower surface of sample on objective table, is scanned；In Sample Scan tomograph, if sample
The position of product upper surface is y1, the lower surface of sample is that position is y in figure2；If sample refractive index is n, then have
, then by respective image processing technique described above, respective distance parameter is extracted, refractive index can be calculated by substituting into formula.
As the Raman spectrogram that Fig. 4 is a kind of glass material sample embodiment obtains corresponding chemical by Raman spectrum analysis
Ingredient, predominantly silica.
As shown in Figure 5, Figure 6, Fig. 5 (a) is vacant stage surface OCT figure；Fig. 5 (b) is to place a kind of surfacing glass
OCT figure after glass material sample；Fig. 5 (c) is the image after being synthesized unloaded figure with sample drawing using computer software；Fig. 6 is
Straight border after Hough transform identifies is extracted and passes through algorithm longitudinal scanning (p in figure0~p4) boundary spacing is carried out to it
From measurement, obtain multiple groups up-and-down boundary distance and coboundary to parallax range parameter value i.e.With, rear to substitute into
Light path matching principle formula, then statistical disposition test result, the measuring glass sample refractive index are 1.882 ± 0.003, and
Standard value 1.8926 is close.
In conclusion more preferred separate embodiment used herein a kind of is based on Raman to provided by the present invention
Spectrum and the System and method for of OCT technology measurement glass material property are expounded, the explanation of above example is only intended to
Help understands method and core concept of the invention, it is noted that although carrying out referring to aforementioned separate embodiment to the present invention
It is described in detail, but to those skilled in the art, without departing from the principle of the present invention, if can also make
Dry improvements and modifications, these modifications and embellishments are also considered to be within the scope of the present invention.
Claims (10)
1. system of the one kind based on Raman spectrum and optical coherence imaging (OCT) technology measurement glass material property, feature exist
In, including glass material sample, glass slide, magazine, mobile platform, Raman spectrometer, OCT, data extract and processing module, aobvious
Show that device, the magazine include two loopholes.
2. the system based on Raman spectrum and OCT technology measurement glass material property, feature exist as described in claim 1
In the Raman spectrometer wavelength model is optional, for measuring the Raman spectral information of glass material sample；The OCT wavelength
Model is optional, and principle is the light of low-coherence light source sending after fiber optic splitter, is uniformly divided into two beams, respectively enterd
Reference arm and sample arm, the reference light returned by the reflected sample light of sample and mirror reflection is again through fiber optic splitter
Phase dry doubling is coupled on detector, (is herein a straight line, referred to as base in image for OCT figure in surface when obtaining glass slide zero load
Line) with place sample when Sample Scan figure.
3. the system based on Raman spectrum and OCT technology measurement glass material property, feature exist as described in claim 1
In the sample is the glass material of surfacing.
4. the system based on Raman spectrum and OCT technology measurement glass material property, feature exist as described in claim 1
In the slide thickness is 1 ~ 2mm, measures unloaded image and placement sample for providing OCT.
5. the system based on Raman spectrum and OCT technology measurement glass material property, feature exist as described in claim 1
In the magazine provides environmental requirement for Raman spectrometer and OCT measurement, avoids extraneous interference, further, the magazine
Top is there are two loophole, and the light of Raman spectrometer and OCT is via entering magazine herein.
6. the system based on Raman spectrum and OCT technology measurement glass material property, feature exist as described in claim 1
In the mobile platform horizontal can at the uniform velocity drag platform for Raman spectrometer and OCT pairs for placing glass slide and sample
The scanning of sample.
7. the system based on Raman spectrum and OCT technology measurement glass material property as described in claim 1 and 2, feature
It is, the data extract the synthesis for carrying out unloaded figure and sample drawing with computer software with processing module, and filter through intermediate value
Wave optimization carries out Boundary Recognition using canny operator, using Hough transform (Hough Transformation) to composite diagram
Each interface carry out Straight Line Identification, obtain straight line between distance feature, sample refractive index is calculated according to light path matching principle automatically,
Analysis raman spectrum obtains sample chemical property.
8. the system based on Raman spectrum and OCT technology measurement glass material property, feature exist as claimed in claim 7
In the light path matching principle: the light path matching principle and the corresponding tomograph image position of physics light path that OCT coherent measurement requires
Confidence breath: before placing sample, i.e., when objective table is vacant, scanning its tomograph, and the position of stage surface is y in figure0(as
Baseline position), after placing sample on objective table, it is tightly attached to the lower surface of sample on objective table, is scanned, Sample Scan
In tomograph, if the position of sample upper surface is y1, the lower surface of sample is that position is y in figure2If sample refractive index is n,
Then have。
9. the system based on Raman spectrum and OCT technology measurement glass material property, feature exist as described in claim 1
In the display is for showing final glass material property measurement results.
10. the method based on Raman spectrum and OCT technology measurement glass material property, feature exist as described in claim 1
In, comprising the following steps:
A, baseline image when first with OCT by loophole acquisition glass slide zero load；Use OCT and Raman spectrum respectively again
Instrument detects the sample being placed on glass slide, i.e., at the uniform velocity drags mobile platform, makes Raman spectrometer and OCT successively to sample
Product, which are scanned, obtains sample Raman spectrogram and OCT image；
B, using two image of computer software analysis, to obtain sample boundaries and characteristic information, and it is public by light path matching principle
Formula completes the calculating of refractive index, and the analysis of chemical property is completed by Raman spectrum；
C, final measurement is shown by display.
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| CN201811059464.4A CN109115747B (en) | 2018-09-12 | 2018-09-12 | System and method for measuring glass material properties based on Raman spectrum and OCT |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811059464.4A CN109115747B (en) | 2018-09-12 | 2018-09-12 | System and method for measuring glass material properties based on Raman spectrum and OCT |
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Cited By (1)
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| CN115265868A (en) * | 2022-09-29 | 2022-11-01 | 江苏延陵玻璃有限公司 | Heterogeneous vacuum glass surface stress detection device |
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