CN107495921A - 一种光学相干断层扫描成像*** - Google Patents
一种光学相干断层扫描成像*** Download PDFInfo
- Publication number
- CN107495921A CN107495921A CN201710904860.1A CN201710904860A CN107495921A CN 107495921 A CN107495921 A CN 107495921A CN 201710904860 A CN201710904860 A CN 201710904860A CN 107495921 A CN107495921 A CN 107495921A
- Authority
- CN
- China
- Prior art keywords
- arm
- fiber coupler
- port
- reference arm
- light
- 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.)
- Granted
Links
- 238000012014 optical coherence tomography Methods 0.000 title claims abstract description 81
- 239000000835 fiber Substances 0.000 claims abstract description 116
- 230000003071 parasitic effect Effects 0.000 claims abstract description 9
- 230000003287 optical effect Effects 0.000 claims description 47
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 239000013307 optical fiber Substances 0.000 claims description 8
- 238000009877 rendering Methods 0.000 abstract description 22
- 230000003595 spectral effect Effects 0.000 abstract description 7
- 230000035945 sensitivity Effects 0.000 abstract description 6
- 239000006185 dispersion Substances 0.000 abstract description 4
- 230000010287 polarization Effects 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract 1
- 238000013461 design Methods 0.000 description 11
- 238000003384 imaging method Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 10
- 241000208340 Araliaceae Species 0.000 description 3
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 3
- 235000003140 Panax quinquefolius Nutrition 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 235000008434 ginseng Nutrition 0.000 description 3
- 230000004313 glare Effects 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 238000003745 diagnosis Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 206010036590 Premature baby Diseases 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000009889 dry rendering Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000024241 parasitism Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B9/00—Measuring instruments characterised by the use of optical techniques
- G01B9/02—Interferometers
- G01B9/0209—Low-coherence interferometers
- G01B9/02091—Tomographic interferometers, e.g. based on optical coherence
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
- A61B3/102—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for optical coherence tomography [OCT]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/0016—Operational features thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
- A61B5/0062—Arrangements for scanning
- A61B5/0066—Optical coherence imaging
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7203—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B9/00—Measuring instruments characterised by the use of optical techniques
- G01B9/02—Interferometers
- G01B9/02001—Interferometers characterised by controlling or generating intrinsic radiation properties
- G01B9/02002—Interferometers characterised by controlling or generating intrinsic radiation properties using two or more frequencies
- G01B9/02004—Interferometers characterised by controlling or generating intrinsic radiation properties using two or more frequencies using frequency scans
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B9/00—Measuring instruments characterised by the use of optical techniques
- G01B9/02—Interferometers
- G01B9/02015—Interferometers characterised by the beam path configuration
- G01B9/02027—Two or more interferometric channels or interferometers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B9/00—Measuring instruments characterised by the use of optical techniques
- G01B9/02—Interferometers
- G01B9/02055—Reduction or prevention of errors; Testing; Calibration
- G01B9/02056—Passive reduction of errors
- G01B9/02059—Reducing effect of parasitic reflections, e.g. cyclic errors
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Public Health (AREA)
- Surgery (AREA)
- Veterinary Medicine (AREA)
- Biophysics (AREA)
- Animal Behavior & Ethology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Pathology (AREA)
- Signal Processing (AREA)
- Ophthalmology & Optometry (AREA)
- Psychiatry (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Artificial Intelligence (AREA)
- Physiology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
Description
光纤或空气 | BJ | JE | EF | BC | CD | BH | HJ |
长度(mm) | 2000 | 1000 | 150 | 1830 | 400 | 200 | 200 |
Claims (6)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710904860.1A CN107495921B (zh) | 2017-09-29 | 2017-09-29 | 一种光学相干断层扫描成像*** |
PCT/CN2018/103869 WO2019062484A1 (zh) | 2017-09-29 | 2018-09-04 | 一种光学相干断层扫描成像*** |
US16/831,842 US11022424B2 (en) | 2017-09-29 | 2020-03-27 | Optical coherence tomography system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710904860.1A CN107495921B (zh) | 2017-09-29 | 2017-09-29 | 一种光学相干断层扫描成像*** |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107495921A true CN107495921A (zh) | 2017-12-22 |
CN107495921B CN107495921B (zh) | 2019-02-19 |
Family
ID=60699792
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710904860.1A Active CN107495921B (zh) | 2017-09-29 | 2017-09-29 | 一种光学相干断层扫描成像*** |
Country Status (3)
Country | Link |
---|---|
US (1) | US11022424B2 (zh) |
CN (1) | CN107495921B (zh) |
WO (1) | WO2019062484A1 (zh) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108426834A (zh) * | 2018-05-11 | 2018-08-21 | 佛山科学技术学院 | 一种快速光程扫描装置 |
CN108523852A (zh) * | 2018-05-10 | 2018-09-14 | 视微影像(河南)科技有限公司 | 一种扫频oct的光学干涉成像*** |
WO2019062484A1 (zh) * | 2017-09-29 | 2019-04-04 | 视微影像(河南)科技有限公司 | 一种光学相干断层扫描成像*** |
CN109602396A (zh) * | 2018-12-29 | 2019-04-12 | 执鼎医疗科技(杭州)有限公司 | 一种击穿式全光纤参考臂扫频oct*** |
CN111198169A (zh) * | 2019-11-08 | 2020-05-26 | 桂林电子科技大学 | 微结构光纤高分辨率三维折射率测试方法 |
CN112154301A (zh) * | 2018-05-23 | 2020-12-29 | 哈格-斯特莱特有限公司 | Oct***和oct方法 |
CN112763422A (zh) * | 2021-02-02 | 2021-05-07 | 深圳英美达医疗技术有限公司 | 一种偏振敏感探测分光***及其分光探测方法 |
CN114259203A (zh) * | 2021-12-08 | 2022-04-01 | 深圳大学 | 芯片集成相干断层成像*** |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6826496B2 (ja) * | 2017-06-07 | 2021-02-03 | タツタ電線株式会社 | 光干渉ユニットおよび光干渉測定装置 |
CN110836852B (zh) * | 2019-11-13 | 2024-03-26 | 深圳市斯尔顿科技有限公司 | 工业oct检测装置及方法 |
US20220296094A1 (en) * | 2021-03-18 | 2022-09-22 | Optos Plc | Multimode eye analyzing system, method and computer-readable medium |
US11933610B2 (en) | 2022-07-28 | 2024-03-19 | Nec Corporation | Optical tomography system and method of using |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1128131A (zh) * | 1994-10-05 | 1996-08-07 | 卡尔蔡斯公司 | 光学相干层析x射线摄影法角膜测绘装置 |
US20020085208A1 (en) * | 2000-08-22 | 2002-07-04 | Christoph Hauger | Interferometer system and interferometric method |
US20050030548A1 (en) * | 2003-08-09 | 2005-02-10 | Li Chian Chiu | Interferometric optical apparatus and method for measurements |
CN101411608A (zh) * | 2007-10-04 | 2009-04-22 | 佳能株式会社 | 光学相干断层摄像装置 |
US20090279098A1 (en) * | 2007-01-22 | 2009-11-12 | School Juridical Person Kitasato Institute | Optical coherence tomography apparatus |
CN105748041A (zh) * | 2016-02-15 | 2016-07-13 | 苏州大学 | 光学相干断层扫描成像中散斑噪声的抑制***和方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012100213A2 (en) * | 2011-01-21 | 2012-07-26 | Duke University | Systems and methods for complex conjugate artifact resolved optical coherence tomography |
US8947672B2 (en) * | 2012-07-26 | 2015-02-03 | Carl Zeiss Meditec, Inc. | Systems and methods for artifact suppression by frequency shifting or cavity length adjustment |
CN103565405B (zh) * | 2013-11-15 | 2015-12-09 | 浙江大学 | 基于分段光谱光程编码的谱域oct探测方法 |
US10327631B2 (en) * | 2015-01-16 | 2019-06-25 | Oregon Health & Science University | Post-processing reduction of fixed pattern artifacts and trigger jitter in swept-source optical coherence tomography |
JP2017142192A (ja) * | 2016-02-12 | 2017-08-17 | 株式会社トーメーコーポレーション | 光干渉断層計 |
CN106949966B (zh) * | 2017-03-24 | 2018-05-08 | 中国科学院上海光学精密机械研究所 | 扫频光学相干层析成像***的光谱标定方法 |
CN107495921B (zh) * | 2017-09-29 | 2019-02-19 | 视微影像(河南)科技有限公司 | 一种光学相干断层扫描成像*** |
-
2017
- 2017-09-29 CN CN201710904860.1A patent/CN107495921B/zh active Active
-
2018
- 2018-09-04 WO PCT/CN2018/103869 patent/WO2019062484A1/zh active Application Filing
-
2020
- 2020-03-27 US US16/831,842 patent/US11022424B2/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1128131A (zh) * | 1994-10-05 | 1996-08-07 | 卡尔蔡斯公司 | 光学相干层析x射线摄影法角膜测绘装置 |
US20020085208A1 (en) * | 2000-08-22 | 2002-07-04 | Christoph Hauger | Interferometer system and interferometric method |
US20050030548A1 (en) * | 2003-08-09 | 2005-02-10 | Li Chian Chiu | Interferometric optical apparatus and method for measurements |
US20090279098A1 (en) * | 2007-01-22 | 2009-11-12 | School Juridical Person Kitasato Institute | Optical coherence tomography apparatus |
CN101411608A (zh) * | 2007-10-04 | 2009-04-22 | 佳能株式会社 | 光学相干断层摄像装置 |
CN105748041A (zh) * | 2016-02-15 | 2016-07-13 | 苏州大学 | 光学相干断层扫描成像中散斑噪声的抑制***和方法 |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019062484A1 (zh) * | 2017-09-29 | 2019-04-04 | 视微影像(河南)科技有限公司 | 一种光学相干断层扫描成像*** |
US11022424B2 (en) | 2017-09-29 | 2021-06-01 | Svision Imaging Limited | Optical coherence tomography system |
CN108523852A (zh) * | 2018-05-10 | 2018-09-14 | 视微影像(河南)科技有限公司 | 一种扫频oct的光学干涉成像*** |
CN108426834A (zh) * | 2018-05-11 | 2018-08-21 | 佛山科学技术学院 | 一种快速光程扫描装置 |
CN112154301A (zh) * | 2018-05-23 | 2020-12-29 | 哈格-斯特莱特有限公司 | Oct***和oct方法 |
US11236986B2 (en) | 2018-05-23 | 2022-02-01 | Haag-Streit Ag | OCT system and OCT method |
CN109602396A (zh) * | 2018-12-29 | 2019-04-12 | 执鼎医疗科技(杭州)有限公司 | 一种击穿式全光纤参考臂扫频oct*** |
CN111198169A (zh) * | 2019-11-08 | 2020-05-26 | 桂林电子科技大学 | 微结构光纤高分辨率三维折射率测试方法 |
CN112763422A (zh) * | 2021-02-02 | 2021-05-07 | 深圳英美达医疗技术有限公司 | 一种偏振敏感探测分光***及其分光探测方法 |
CN114259203A (zh) * | 2021-12-08 | 2022-04-01 | 深圳大学 | 芯片集成相干断层成像*** |
Also Published As
Publication number | Publication date |
---|---|
US11022424B2 (en) | 2021-06-01 |
WO2019062484A1 (zh) | 2019-04-04 |
US20200225021A1 (en) | 2020-07-16 |
CN107495921B (zh) | 2019-02-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107495921B (zh) | 一种光学相干断层扫描成像*** | |
JP6768747B2 (ja) | Oct光源および走査光学系を使用する2次元の共焦点撮像 | |
JP4423450B2 (ja) | 新規の干渉計を用いた光学コヒーレンス断層撮影 | |
Klein et al. | Megahertz OCT for ultrawide-field retinal imaging with a 1050nm Fourier domain mode-locked laser | |
JP6196206B2 (ja) | マルチチャンネル光コヒーレンストモグラフィ | |
US7570364B2 (en) | Optical tomographic imaging apparatus | |
CN106361279B (zh) | 光学相干层析成像***全探测深度色散补偿方法 | |
GB2407155A (en) | Spectral interferometry method and apparatus | |
CN103222852A (zh) | 光学相干断层摄像设备 | |
CN104204775A (zh) | 光学相干层析成像设备以及光学相干层析成像方法 | |
US9267783B1 (en) | Split integration mode acquisition for optimized OCT imaging at multiple speeds | |
JP2013181790A (ja) | 周波数走査型oct用サンプリングクロック発生装置の使用方法、周波数走査型oct用サンプリングクロック発生装置 | |
CN106949966A (zh) | 扫频光学相干层析成像***的光谱标定方法 | |
CA2895878A1 (en) | System and method for imaging subsurface of specimen | |
CN109620134A (zh) | 基于光纤阵列多通道并行探测的微血管造影方法和*** | |
Dhalla et al. | Efficient sweep buffering in swept source optical coherence tomography using a fast optical switch | |
CN114869221B (zh) | 一种色散平衡的扫频oct眼底高分辨成像*** | |
CN105761218A (zh) | 光学相干层析成像的图像伪彩色处理方法 | |
Tanskanen et al. | Higher-order core-like modes in double-clad fiber contribute to multipath artifacts in optical coherence tomography | |
CN111227797B (zh) | 一种非线性效应增强的扫频光源 | |
KR20120137329A (ko) | 광간섭 단층촬영 장치 | |
CN104246476A (zh) | 光学断层图像获取装置 | |
Grajciar et al. | High sensitive measurement of the human axial eye length in vivo with Fourier domain low coherence interferometry | |
JP6596805B2 (ja) | 光コヒーレンストモグラフィ装置 | |
CN112710612A (zh) | 一种体积光学相干层析测振*** |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Optical coherent tomography system Effective date of registration: 20200722 Granted publication date: 20190219 Pledgee: Bank of China Limited by Share Ltd. Luoyang branch Pledgor: SVISION IMAGING Ltd. Registration number: Y2020980004285 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220907 Granted publication date: 20190219 Pledgee: Bank of China Limited by Share Ltd. Luoyang branch Pledgor: SVISION IMAGING Ltd. Registration number: Y2020980004285 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: An optical coherence tomography imaging system Effective date of registration: 20220927 Granted publication date: 20190219 Pledgee: Bank of China Limited by Share Ltd. Luoyang branch Pledgor: SVISION IMAGING Ltd. Registration number: Y2022980016638 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231017 Granted publication date: 20190219 Pledgee: Bank of China Limited by Share Ltd. Luoyang branch Pledgor: SVISION IMAGING Ltd. Registration number: Y2022980016638 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right |