CN114754669B - 一种多模光纤束扩展光源抑制干涉仪相干噪声的方法 - Google Patents
一种多模光纤束扩展光源抑制干涉仪相干噪声的方法 Download PDFInfo
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- CN114754669B CN114754669B CN202210283749.6A CN202210283749A CN114754669B CN 114754669 B CN114754669 B CN 114754669B CN 202210283749 A CN202210283749 A CN 202210283749A CN 114754669 B CN114754669 B CN 114754669B
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- 239000000835 fiber Substances 0.000 title claims abstract description 137
- 238000000034 method Methods 0.000 title claims abstract description 42
- 230000001427 coherent effect Effects 0.000 title claims abstract description 26
- 230000002401 inhibitory effect Effects 0.000 title claims abstract description 10
- 239000005338 frosted glass Substances 0.000 claims abstract description 34
- 239000013307 optical fiber Substances 0.000 claims abstract description 29
- 230000001629 suppression Effects 0.000 claims abstract description 17
- 238000004364 calculation method Methods 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000005284 excitation Effects 0.000 claims description 4
- 238000005259 measurement Methods 0.000 abstract description 5
- 230000003287 optical effect Effects 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000005305 interferometry Methods 0.000 description 6
- 239000005337 ground glass Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
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- 238000003384 imaging method Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
Classifications
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- 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
-
- 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
- G01B9/02094—Speckle interferometers, i.e. for detecting changes in speckle pattern
-
- 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
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0916—Adapting the beam shape of a semiconductor light source such as a laser diode or an LED, e.g. for efficiently coupling into optical fibers
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/028—Optical fibres with cladding with or without a coating with core or cladding having graded refractive index
- G02B6/0288—Multimode fibre, e.g. graded index core for compensating modal dispersion
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/04—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings formed by bundles of fibres
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Instruments For Measurement Of Length By Optical Means (AREA)
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CN202210283749.6A CN114754669B (zh) | 2022-03-22 | 2022-03-22 | 一种多模光纤束扩展光源抑制干涉仪相干噪声的方法 |
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CN202210283749.6A CN114754669B (zh) | 2022-03-22 | 2022-03-22 | 一种多模光纤束扩展光源抑制干涉仪相干噪声的方法 |
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CN103197382A (zh) * | 2013-03-01 | 2013-07-10 | 南京理工大学 | 一种光纤导出式的干涉仪激光光源系统 |
CN203117457U (zh) * | 2013-03-01 | 2013-08-07 | 南京理工大学 | 一种光纤导出式的干涉仪激光光源系统 |
RU163233U1 (ru) * | 2016-02-02 | 2016-07-10 | Дмитрий Владимирович Кизеветтер | Спекл-интерферометр |
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Family Cites Families (3)
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---|---|---|---|---|
US7447408B2 (en) * | 2004-07-02 | 2008-11-04 | The General Hospital Corproation | Imaging system and related techniques |
US9046697B2 (en) * | 2012-01-02 | 2015-06-02 | Jgm Associates, Inc. | Low-speckle light sources and displays employing multimode optical fiber |
US11525667B2 (en) * | 2020-06-02 | 2022-12-13 | United States Of America As Represented By The Secretary Of The Air Force | Electronic speckle pattern interferometer (ESPI) for long-range measurement of displacement of materials within hazardous environments |
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2022
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EP0498541A1 (en) * | 1991-02-08 | 1992-08-12 | Hughes Aircraft Company | Interferometric laser profilometer |
US6188482B1 (en) * | 1998-09-18 | 2001-02-13 | Board Of Trustees Operating Michigan State University | Apparatus for electronic speckle pattern interferometry |
CN201532491U (zh) * | 2009-10-23 | 2010-07-21 | 苏州六六视觉科技股份有限公司 | 高强度光源装置 |
CN102401670A (zh) * | 2011-04-06 | 2012-04-04 | 杭州安远科技有限公司 | 一种降低光纤双折射影响的光纤干涉测量系统 |
CN103148785A (zh) * | 2013-01-10 | 2013-06-12 | 广东工业大学 | 一种光学干涉谱域相位对照b扫描仪及其测量方法 |
CN203117457U (zh) * | 2013-03-01 | 2013-08-07 | 南京理工大学 | 一种光纤导出式的干涉仪激光光源系统 |
CN103197382A (zh) * | 2013-03-01 | 2013-07-10 | 南京理工大学 | 一种光纤导出式的干涉仪激光光源系统 |
RU163233U1 (ru) * | 2016-02-02 | 2016-07-10 | Дмитрий Владимирович Кизеветтер | Спекл-интерферометр |
CN105865371A (zh) * | 2016-06-08 | 2016-08-17 | 南京理工大学 | 一种基于互相关计算的白光干涉显微轮廓复原方法 |
CN110494126A (zh) * | 2016-12-22 | 2019-11-22 | 俄亥俄州国家创新基金会 | 用于基于纳米通道的货物递送的贯穿微结构 |
CN109814270A (zh) * | 2019-03-25 | 2019-05-28 | 中国科学院上海光学精密机械研究所 | 激光器输出光空间相干性抑制装置 |
WO2020247649A1 (en) * | 2019-06-04 | 2020-12-10 | California Institute Of Technology | Interferometric speckle visibility spectroscopy |
CN110500965A (zh) * | 2019-08-22 | 2019-11-26 | 东华大学 | 一种数字散斑干涉系统光阑狭缝尺寸的选取方法 |
CN112075925A (zh) * | 2020-09-21 | 2020-12-15 | 北京脑科学与类脑研究中心 | 基于散斑原理的荧光成像照明装置、成像系统及成像方法 |
CN113762460A (zh) * | 2021-04-01 | 2021-12-07 | 天津理工大学 | 基于数值散斑的多模光纤传输图像迁移重构算法 |
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长距离双M-Z干涉型振动传感器实时定位算法研究;谢尚然;邹琪琳;屠亦军;张秀峰;王利威;张敏;廖延彪;;光电子.激光(第08期);全文 * |
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Inventor after: Zheng Donghui Inventor after: Ma Haiying Inventor after: Hu Zhihao Inventor after: Hu Chenhui Inventor after: Chen Lei Inventor after: Zhang Zhe Inventor after: Qian Yue Inventor after: Huang Chen Inventor after: Wang Yuntao Inventor after: Ma Zhiyao Inventor after: Li Ruokun Inventor before: Hu Chenhui Inventor before: Ma Haiying Inventor before: Hu Zhihao Inventor before: Zheng Donghui Inventor before: Chen Lei Inventor before: Zhang Zhe Inventor before: Qian Yue Inventor before: Huang Chen Inventor before: Wang Yuntao Inventor before: Ma Zhiyao Inventor before: Li Ruokun |
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