JP5607866B2 - 光ファイバ化学物質感知装置、システム及び方法 - Google Patents
光ファイバ化学物質感知装置、システム及び方法 Download PDFInfo
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- JP5607866B2 JP5607866B2 JP2006268085A JP2006268085A JP5607866B2 JP 5607866 B2 JP5607866 B2 JP 5607866B2 JP 2006268085 A JP2006268085 A JP 2006268085A JP 2006268085 A JP2006268085 A JP 2006268085A JP 5607866 B2 JP5607866 B2 JP 5607866B2
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- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
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Images
Classifications
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- 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
- G02B6/02057—Optical fibres with cladding with or without a coating comprising gratings
- G02B6/02076—Refractive index modulation gratings, e.g. Bragg gratings
- G02B6/0208—Refractive index modulation gratings, e.g. Bragg gratings characterised by their structure, wavelength response
- G02B6/02085—Refractive index modulation gratings, e.g. Bragg gratings characterised by their structure, wavelength response characterised by the grating profile, e.g. chirped, apodised, tilted, helical
-
- 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
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/7703—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator using reagent-clad optical fibres or optical waveguides
-
- 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
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/7703—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator using reagent-clad optical fibres or optical waveguides
- G01N21/774—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator using reagent-clad optical fibres or optical waveguides the reagent being on a grating or periodic structure
-
- 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
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/7703—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator using reagent-clad optical fibres or optical waveguides
- G01N2021/7706—Reagent provision
-
- 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
- G01N21/39—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using tunable lasers
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- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Plasma & Fusion (AREA)
- Health & Medical Sciences (AREA)
- Pathology (AREA)
- Analytical Chemistry (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Optics & Photonics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Description
US PATENT APPLICATION ENTITLED "FIBER OPTIC SENSING DEVICE AND METHOD OF MAKING AND OPERATING THE SAME", BY KEVIN T. MCCARTHY, ET AL., SERIAL NO. 11/086,055 FILED 3/22/05, ATTORNEY DOCKET NO. 156001-1. SHIQUAN TAO, ET AL., "POROUS SOLGEL FIBER AS A TRANSDUCER FOR HIGHLY SENSITIVE CHEMICAL SENSING", OPTICS LETTERS, VOL. 27, NO. 16, PP. 1382-1384, AUGUST 15, 2002. MASARU MITSUSHIO, ET AL., "SIMPLIFICATION AND EVALUATION OF A GOLD−DEPOSITED SPR OPTICAL FIBER SENSOR", ANALYTICAL SCIENCES, VOL. 20., PP. 689−694, APRIL 2004. JEFFREY T. REMILLARD, ET AL., "DEMONSTRATION OF A HIGH-TEMPERATURE FIBER−OPTIC GAS SENSOR MADE WITH A SOL-GEL PROCESS TO INCORPORATE A FLUORESCENT INDICATOR", APPLIED OPTICS, VOL. 38, NO. 25, PP. 5306-5309, SEPTEMBER 1, 1999. ISTVAN SZENDRO, "ART AND PRACTICE TO EMBOSS GRATINGS INTO SOL-GEL WAVEGUIDES", PROCEEDINGS OF SPIE., VOL. 4284, PP. 80-87, 2001. HEATHER J. PATRICK, ET AL., "ANALYSIS OF THE RESPONSE OF LONG PERIOD FIBER GRATINGS TO EXTERNAL INDEX OF REFRACTION", JOURNAL OF LIGHTWAVE TECHNOLOGY, VOL. 16, NO. 9, PP. 1606-1612, SEPTEMBER 1998. ROSANE FALATE, ET AL., "PETROLEUM HYDROCARBON DETECTION WITH LONG PERIOD GRATINGS", PROCEEDINGS OF SBMO/IEEE MTT-S IMOC, PP. 907-910, 2003.
式中、d1(d2)は、ファイバのUV露光(非露光)幅であり、Λは、ピッチサイズであり、波ベクトルは、m = 0,1,2…のとき、km = 2πm/Λである。式(1)の第1項は、FBGの位相整合条件に対応し、
Claims (6)
- ファイバコア(12)とファイバクラッディング(14)とを具備する化学物質感知装置であって、
前記ファイバコアは、前記ファイバクラッディング内への光(18)の偏向を増加するように構成されたアポダイズプロファイルを有する屈折率変調格子領域(16)を具備し、
前記化学物質感知装置の前記ファイバクラッディングは、前記偏向光の少なくとも一部を前記ファイバコアに向かって逆反射するように構成され、
前記化学物質感知装置は、基準感知装置(600)を通る光の透過または前記基準感知装置からの光の反射を表す信号を収集するように構成され、かつ、前記ファイバコア内に設けられた基準格子を備える前記基準感知装置をさらに備え、
前記化学物質感知装置は、前記屈折率変調格子領域を包囲するファイバクラッディングの少なくとも一部分の上に配置された自由感知空間(514)と、前記基準感知装置の上に設けられ、被覆層内部のファイバコアとファイバクラッディングとを保護する被覆層(516)とをさらに含む
感知装置。 - 前記ファイバコアは、シングルモードファイバコアであり、前記ファイバコアは、二酸化ゲルマニウムが不純物として添加された材料を含み、前記ファイバコアは、フッ素、塩素、ホウ素、エルビウム又はそれらの組み合わせが同時に不純物として添加された材料を更に含む請求項1に記載の感知装置。
- 前記ファイバクラッディングは、前記ファイバコアと物理的に接触している請求項1または2に記載の感知装置。
- 前記格子領域のプロファイルは、周期アポダイズ屈折率プロファイルから構成される請求項1から3のいずれかに記載の感知装置。
- 前記格子領域のプロファイルは、前記ファイバコアの軸に沿って少なくとも1つの二乗余弦プロファイル又は少なくとも1つのガウスプロファイルを含む請求項4に記載の感知装置。
- 前記ファイバコアの前記格子領域を包囲する前記ファイバクラッディングの少なくとも一部分に沿って配置された化学感度被覆膜(818)又は機械感度被覆膜(916)をさらに具備する請求項1から5のいずれかに記載の感知装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/240,057 US7228017B2 (en) | 2005-09-30 | 2005-09-30 | Fiber optic sensing device and method of making and operating the same |
US11/240,057 | 2005-09-30 |
Publications (2)
Publication Number | Publication Date |
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JP2007101547A JP2007101547A (ja) | 2007-04-19 |
JP5607866B2 true JP5607866B2 (ja) | 2014-10-15 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2006268085A Expired - Fee Related JP5607866B2 (ja) | 2005-09-30 | 2006-09-29 | 光ファイバ化学物質感知装置、システム及び方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7228017B2 (ja) |
EP (1) | EP1770388A1 (ja) |
JP (1) | JP5607866B2 (ja) |
CN (1) | CN1940607B (ja) |
Families Citing this family (44)
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US7132661B2 (en) * | 2000-08-28 | 2006-11-07 | Spectrasensors, Inc. | System and method for detecting water vapor within natural gas |
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US7679059B2 (en) * | 2006-04-19 | 2010-03-16 | Spectrasensors, Inc. | Measuring water vapor in hydrocarbons |
US7511802B2 (en) | 2006-05-26 | 2009-03-31 | Spectrasensors, Inc. | Measuring trace components of complex gases using gas chromatography/absorption spectrometry |
US7508521B2 (en) * | 2007-03-14 | 2009-03-24 | Spectrasensors, Inc. | Pressure-invariant trace gas detection |
CA2683802C (en) * | 2007-04-11 | 2017-09-05 | Spectrasensors, Inc. | Reactive gas detection in complex backgrounds |
CN100395572C (zh) * | 2007-06-18 | 2008-06-18 | 西安盛佳光电有限公司 | 保偏光纤切趾光栅的制作方法 |
US7720321B2 (en) * | 2007-07-20 | 2010-05-18 | General Electric Company | Fiber optic sensor and method for making |
US7499605B1 (en) * | 2007-09-14 | 2009-03-03 | General Electric Company | Fiber Bragg grating for high temperature sensing |
US20090123109A1 (en) * | 2007-11-09 | 2009-05-14 | Lxdata Inc | Temperature sensor using an optical fiber |
BRPI0820712A2 (pt) * | 2007-12-06 | 2015-06-16 | Mitsubishi Electric Corp | Sensor de fibra óptica |
US8009946B2 (en) * | 2008-01-22 | 2011-08-30 | General Electric Company | Fiberoptic patient health multi-parameter monitoring devices and system |
US7489835B1 (en) * | 2008-03-28 | 2009-02-10 | General Electric Company | Sensing system with fiber gas sensor |
US8217371B2 (en) * | 2008-08-14 | 2012-07-10 | City University Of Hong Kong | Luminescent system |
EP2202548A1 (en) | 2008-12-23 | 2010-06-30 | Nederlandse Organisatie voor Toegepast-Natuurwetenschappelijk Onderzoek TNO | Distributed optical chemical sensor |
US9778168B2 (en) | 2009-06-10 | 2017-10-03 | Electrawatch, Inc. | Coating monitor for evaluating the effectiveness of protective coatings |
EP2454560A1 (en) | 2009-07-16 | 2012-05-23 | Hamidreza Alemohammad | Optical fibre sensor and methods of manufacture |
CN102573691B (zh) * | 2009-10-23 | 2016-02-24 | 皇家飞利浦电子股份有限公司 | 用于生物物理学参数的快速分布式测量的光学感测使能的介入仪器 |
US8547553B2 (en) * | 2010-03-17 | 2013-10-01 | General Electric Company | Fiber optic hydrogen purity sensor and system |
US8641274B2 (en) * | 2010-08-18 | 2014-02-04 | Fujikura Ltd. | Polarization-maintaining fiber and optical fiber sensor using same |
DE102010052614B4 (de) * | 2010-11-29 | 2017-07-20 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Sensor, System sowie Verfahren zur Kaft- und/oder Momentenmessung |
JP2013253953A (ja) * | 2011-11-15 | 2013-12-19 | Tokyo Institute Of Technology | 屈折率センサ |
JP5843668B2 (ja) * | 2012-01-23 | 2016-01-13 | 株式会社豊田自動織機 | センサ用光ファイバおよび電力装置監視システム |
PL224871B1 (pl) * | 2013-09-30 | 2017-02-28 | Inpho Tech Spółka Z Ograniczoną Odpowiedzialnością | Sprzęgacz, w szczególności do produkcji interferometrów odpornych na wysokie temperatury i interferometr odporny na wysokie temperatury |
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