BE1005213A3 - Apparaat voor het testen van optische vezel door optische heterodyne techniek te gebruiken. - Google Patents
Apparaat voor het testen van optische vezel door optische heterodyne techniek te gebruiken. Download PDFInfo
- Publication number
- BE1005213A3 BE1005213A3 BE9100894A BE9100894A BE1005213A3 BE 1005213 A3 BE1005213 A3 BE 1005213A3 BE 9100894 A BE9100894 A BE 9100894A BE 9100894 A BE9100894 A BE 9100894A BE 1005213 A3 BE1005213 A3 BE 1005213A3
- Authority
- BE
- Belgium
- Prior art keywords
- light beam
- signal
- optical fiber
- polarized
- electrical signal
- Prior art date
Links
- 239000013307 optical fiber Substances 0.000 title claims abstract description 26
- 238000012360 testing method Methods 0.000 title claims abstract description 10
- 230000003287 optical effect Effects 0.000 claims abstract description 27
- 238000012937 correction Methods 0.000 claims abstract description 12
- 230000001427 coherent effect Effects 0.000 claims abstract description 9
- 239000000835 fiber Substances 0.000 claims abstract description 8
- 230000008878 coupling Effects 0.000 claims abstract description 6
- 238000010168 coupling process Methods 0.000 claims abstract description 6
- 238000005859 coupling reaction Methods 0.000 claims abstract description 6
- 238000012545 processing Methods 0.000 claims description 13
- 238000001816 cooling Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 8
- 238000005259 measurement Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002068 genetic effect Effects 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 235000013580 sausages Nutrition 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
- G01M11/31—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter and a light receiver being disposed at the same side of a fibre or waveguide end-face, e.g. reflectometers
- G01M11/3172—Reflectometers detecting the back-scattered light in the frequency-domain, e.g. OFDR, FMCW, heterodyne detection
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
- G01M11/31—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter and a light receiver being disposed at the same side of a fibre or waveguide end-face, e.g. reflectometers
- G01M11/3181—Reflectometers dealing with polarisation
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Tests Of Electronic Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26024790A JPH04138331A (ja) | 1990-09-28 | 1990-09-28 | ヘテロダイン受光を用いた光パルス試験器 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE1005213A3 true BE1005213A3 (nl) | 1993-05-25 |
Family
ID=17345399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE9100894A BE1005213A3 (nl) | 1990-09-28 | 1991-09-26 | Apparaat voor het testen van optische vezel door optische heterodyne techniek te gebruiken. |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPH04138331A (ja) |
| BE (1) | BE1005213A3 (ja) |
| GB (1) | GB2248990B (ja) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3122293B2 (ja) * | 1993-10-29 | 2001-01-09 | 安藤電気株式会社 | Otdr測定装置 |
| JP2001281102A (ja) * | 2000-03-30 | 2001-10-10 | Ando Electric Co Ltd | 光ファイバの特性測定装置及び特性測定方法 |
| US6563590B2 (en) * | 2001-02-16 | 2003-05-13 | Corning Incorporated | System and method for measurement of the state of polarization over wavelength |
| CN109143263B (zh) * | 2018-07-05 | 2022-11-01 | 夏和娣 | 一种混合型测风激光雷达 |
| KR20210007648A (ko) | 2019-07-12 | 2021-01-20 | 엘지전자 주식회사 | 냉장고 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63313030A (ja) * | 1987-06-15 | 1988-12-21 | Yokogawa Electric Corp | 光ファイバ試験装置 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2165118B (en) * | 1984-09-29 | 1988-01-20 | Plessey Co Plc | Otdr for sensing distortions in optical fibres |
| GB2215549B (en) * | 1988-03-08 | 1992-02-12 | Stc Plc | Sensor |
-
1990
- 1990-09-28 JP JP26024790A patent/JPH04138331A/ja active Pending
-
1991
- 1991-09-26 GB GB9120504A patent/GB2248990B/en not_active Expired - Fee Related
- 1991-09-26 BE BE9100894A patent/BE1005213A3/nl not_active IP Right Cessation
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63313030A (ja) * | 1987-06-15 | 1988-12-21 | Yokogawa Electric Corp | 光ファイバ試験装置 |
Non-Patent Citations (6)
| Title |
|---|
| ECOC 83 23 Oktober 1983, GENEVA, SWITZERLAND bladzijden 177 - 180; S.WRIGHT ET AL: 'High Dynamic Range Coherent Reflectometer for Fault Location' * |
| ELECTRONICS LETTERS. deel 24, nr. 2, 21 Januari 1988, ENAGE GB bladzijden 120 - 121; T. OKOSHI ET AL: 'Simple Formula for Bit-Error Rate in Optical Heterodyn DPSK' * |
| JEE JOURNAL OF ELECTRONIC ENGINEERING. deel 26, nr. 267, Maart 1989, TOKYO JP bladzijden 46 - 70; TAKAO OOKA: 'Trends in Optical Communic. Measurem. Technology and Meas. Instruments' * |
| JOURNAL OF LIGHTWAVE TECHNOLOGY. deel LT-5, nr. 2, Februari 1987, NEW YORK US bladzijden 274 - 276; B. GLANCE: 'Polarization Independant Coherent Optical Receiver' * |
| JOURNAL OF OPTICAL COMMUNICATIONS deel 10, nr. 4, 1989, bladzijden 149 - 153; P.T. FREDERIKSEN ET AL: 'A Fast Polarization Controller for Coherent Phase Diversity Receivers' * |
| PATENT ABSTRACTS OF JAPAN vol. 13, no. 152 (P-856)(3500) 13 April 1989 & JP-A-63 313 030 ( YOKOGAWA ELECTRIC CORP. ) 21 December 1988 * |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04138331A (ja) | 1992-05-12 |
| GB9120504D0 (en) | 1991-11-06 |
| GB2248990B (en) | 1994-08-31 |
| GB2248990A (en) | 1992-04-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: ANDO ELECTRIC CO. LTD Effective date: 19930930 |