KR101213786B1 - 광의 공간 분할을 이용한 측정 시스템 - Google Patents
광의 공간 분할을 이용한 측정 시스템 Download PDFInfo
- Publication number
- KR101213786B1 KR101213786B1 KR1020110139442A KR20110139442A KR101213786B1 KR 101213786 B1 KR101213786 B1 KR 101213786B1 KR 1020110139442 A KR1020110139442 A KR 1020110139442A KR 20110139442 A KR20110139442 A KR 20110139442A KR 101213786 B1 KR101213786 B1 KR 101213786B1
- Authority
- KR
- South Korea
- Prior art keywords
- light
- interference
- sample
- path
- unit
- Prior art date
Links
- 238000005259 measurement Methods 0.000 claims abstract description 22
- 238000001514 detection method Methods 0.000 claims description 5
- 230000003287 optical effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 2
- 230000002452 interceptive effect Effects 0.000 abstract description 3
- 239000000523 sample Substances 0.000 description 46
- 238000012014 optical coherence tomography Methods 0.000 description 8
- 238000003384 imaging method Methods 0.000 description 7
- 230000003111 delayed effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000004611 spectroscopical analysis Methods 0.000 description 2
- 230000001902 propagating effect Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
Images
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
- G01B9/02041—Interferometers characterised by particular imaging or detection techniques
- G01B9/02047—Interferometers characterised by particular imaging or detection techniques using digital holographic imaging, e.g. lensless phase imaging without hologram in the reference path
-
- 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
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/255—Details, e.g. use of specially adapted sources, lighting or optical systems
-
- 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
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/3103—Atomic absorption analysis
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/10—Beam splitting or combining systems
- G02B27/14—Beam splitting or combining systems operating by reflection only
- G02B27/141—Beam splitting or combining systems operating by reflection only using dichroic mirrors
-
- 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
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N2021/3125—Measuring the absorption by excited molecules
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Optics & Photonics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
Description
도 2는 도 1의 간섭부의 다른 실시예를 설명하기 위한 구성도
도 3은 본 발명의 다른 실시예들에 따른 광의 공간 분할을 이용한 측정 시스템을 설명하기 위한 개략적인 구성도
10 : 광원부 11 : 광 분배부
12 : 서큘레이터 13 : 간섭부
16 : 감지부
Claims (3)
- 샘플의 영상 정보를 획득하기 위하여 광의 공간 분할을 이용한 측정 시스템에 있어서,
점광원;
상기 점광원으로부터 생성된 광을 선의 경로로 진행하는 광으로 경로를 확장시키고, 상기 샘플의 크기에 대응하여 광의 경로를 확장되도록 배율이 조정되는 렌즈;
상기 렌즈에 의하여 확장된 광 경로들을 입력받기 위한 크기로 구성되고, 상기 렌즈로부터 출력되는 광들을 부분 반사시켜 광 경로차를 발생시키고, 상기 광 경로차에 의한 지연시간이 상기 점광원의 가간섭시간(coherence)보다 짧도록 조절하여 간섭 신호를 생성하는 복수개의 광들로 출력시키는 간섭부; 및
상기 간섭 신호를 생성하는 광들을 수신하여 샘플의 영상 정보를 획득하는 감지부를 포함하는 광의 공간 분할을 이용한 측정 시스템. - 삭제
- 제1항에 있어서,
상기 측정 시스템은
상기 렌즈와 상기 간섭부의 사이에 배치되며, 상기 렌즈를 통과하여 경로가 확장되는 광을 평행하게 진행시키기 위한 콜리메이터(collimator); 및
상기 콜리메이터로부터의 광을 상기 간섭부로 전달하고, 상기 간섭부로부터의 간섭 신호를 생성하는 광들을 상기 감지부로 전달하기 위한 빔 스플리터(beam splitter)를 더 포함하는 것을 특징으로 하는 광의 공간 분할을 이용한 측정 시스템.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020110139442A KR101213786B1 (ko) | 2011-12-21 | 2011-12-21 | 광의 공간 분할을 이용한 측정 시스템 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020110139442A KR101213786B1 (ko) | 2011-12-21 | 2011-12-21 | 광의 공간 분할을 이용한 측정 시스템 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020090135424A Division KR101200984B1 (ko) | 2009-12-31 | 2009-12-31 | 광의 공간 분할을 이용한 측정 시스템 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20120007483A KR20120007483A (ko) | 2012-01-20 |
KR101213786B1 true KR101213786B1 (ko) | 2012-12-18 |
Family
ID=45612806
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020110139442A KR101213786B1 (ko) | 2011-12-21 | 2011-12-21 | 광의 공간 분할을 이용한 측정 시스템 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR101213786B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017119547A1 (ko) * | 2016-01-08 | 2017-07-13 | 한화테크윈 주식회사 | 신호간섭검출장치 및 방법 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005249576A (ja) | 2004-03-04 | 2005-09-15 | Nikon Corp | 干渉測定方法及び干渉計 |
JP2006349657A (ja) | 2005-05-18 | 2006-12-28 | Mitsutoyo Corp | 干渉計、形状測定方法 |
-
2011
- 2011-12-21 KR KR1020110139442A patent/KR101213786B1/ko not_active IP Right Cessation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005249576A (ja) | 2004-03-04 | 2005-09-15 | Nikon Corp | 干渉測定方法及び干渉計 |
JP2006349657A (ja) | 2005-05-18 | 2006-12-28 | Mitsutoyo Corp | 干渉計、形状測定方法 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017119547A1 (ko) * | 2016-01-08 | 2017-07-13 | 한화테크윈 주식회사 | 신호간섭검출장치 및 방법 |
Also Published As
Publication number | Publication date |
---|---|
KR20120007483A (ko) | 2012-01-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR101264671B1 (ko) | 광 간섭 계측 방법 및 광 간섭 계측 장치 | |
US5905572A (en) | Sample inspection using interference and/or correlation of scattered superbroad radiation | |
CN104204775A (zh) | 光学相干层析成像设备以及光学相干层析成像方法 | |
RU2015116588A (ru) | Спектроскопическое измерительное устройство | |
JP7120400B2 (ja) | 光干渉断層撮像器 | |
TWI794526B (zh) | 光距離測量裝置 | |
KR101200984B1 (ko) | 광의 공간 분할을 이용한 측정 시스템 | |
JP2014185956A (ja) | 距離測定装置 | |
JP6453519B2 (ja) | 抑制された多重散乱クロストークを有する複数の干渉計を用いる高速光干渉断層撮影 | |
KR101251292B1 (ko) | 편광을 이용한 3차원 형상 및 두께 측정 장치 | |
CN108458787B (zh) | 中阶梯光栅型空间外差拉曼光谱仪光路结构 | |
GB2490497A (en) | A stationary waveguide spectrum analyser | |
CN105974158A (zh) | 一种非对称空间外差光谱仪风速测量标定装置及方法 | |
US20130166239A1 (en) | Method for generating information signal | |
KR101213786B1 (ko) | 광의 공간 분할을 이용한 측정 시스템 | |
CN104246476A (zh) | 光学断层图像获取装置 | |
JP5740701B2 (ja) | 干渉計 | |
US9835436B2 (en) | Wavelength encoded multi-beam optical coherence tomography | |
TW201303263A (zh) | 光學斷層攝影系統 | |
JP6917663B2 (ja) | 光コヒーレンストモグラフィ装置用の光干渉ユニット | |
KR20110078766A (ko) | 지연 소자, 이를 이용한 간섭 시스템 및 측정 시스템 | |
TW202117359A (zh) | 光測距裝置及加工裝置 | |
US20150057972A1 (en) | Measuring apparatus and measuring method | |
JP6601189B2 (ja) | 光コヒーレンストモグラフィ装置および干渉信号処理プログラム | |
JP2015052585A (ja) | 距離測定装置および距離測定方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A107 | Divisional application of patent | ||
A201 | Request for examination | ||
PA0107 | Divisional application |
Comment text: Divisional Application of Patent Patent event date: 20111221 Patent event code: PA01071R01D |
|
PA0201 | Request for examination | ||
PG1501 | Laying open of application | ||
E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20120127 Patent event code: PE09021S01D |
|
E701 | Decision to grant or registration of patent right | ||
PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 20121128 |
|
GRNT | Written decision to grant | ||
PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 20121212 Patent event code: PR07011E01D |
|
PR1002 | Payment of registration fee |
Payment date: 20121213 End annual number: 3 Start annual number: 1 |
|
PG1601 | Publication of registration | ||
FPAY | Annual fee payment |
Payment date: 20151123 Year of fee payment: 4 |
|
PR1001 | Payment of annual fee |
Payment date: 20151123 Start annual number: 4 End annual number: 4 |
|
FPAY | Annual fee payment |
Payment date: 20161213 Year of fee payment: 5 |
|
PR1001 | Payment of annual fee |
Payment date: 20161213 Start annual number: 5 End annual number: 5 |
|
FPAY | Annual fee payment |
Payment date: 20171206 Year of fee payment: 6 |
|
PR1001 | Payment of annual fee |
Payment date: 20171206 Start annual number: 6 End annual number: 6 |
|
LAPS | Lapse due to unpaid annual fee | ||
PC1903 | Unpaid annual fee |
Termination category: Default of registration fee Termination date: 20190923 |