JP2012032398A - 光ファイバ二酸化炭素純度センサ・パッケージ及びシステム - Google Patents
光ファイバ二酸化炭素純度センサ・パッケージ及びシステム Download PDFInfo
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 20
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 20
- 239000013307 optical fiber Substances 0.000 title abstract description 7
- 239000000835 fiber Substances 0.000 claims abstract description 183
- 230000000737 periodic effect Effects 0.000 claims abstract description 9
- 230000003287 optical effect Effects 0.000 claims description 43
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 21
- 238000005253 cladding Methods 0.000 claims description 16
- 229910052759 nickel Inorganic materials 0.000 claims description 11
- 230000008859 change Effects 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 9
- 239000004020 conductor Substances 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 239000003017 thermal stabilizer Substances 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 4
- 229910052737 gold Inorganic materials 0.000 claims description 4
- 239000010931 gold Substances 0.000 claims description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- 239000011230 binding agent Substances 0.000 claims description 2
- 239000011651 chromium Substances 0.000 claims description 2
- 229910052804 chromium Inorganic materials 0.000 claims description 2
- 229910017052 cobalt Inorganic materials 0.000 claims description 2
- 239000010941 cobalt Substances 0.000 claims description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 2
- 230000007797 corrosion Effects 0.000 claims description 2
- 238000005260 corrosion Methods 0.000 claims description 2
- 229910003460 diamond Inorganic materials 0.000 claims description 2
- 239000010432 diamond Substances 0.000 claims description 2
- 230000003628 erosive effect Effects 0.000 claims description 2
- 239000011152 fibreglass Substances 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 claims description 2
- 239000002105 nanoparticle Substances 0.000 claims description 2
- 230000003647 oxidation Effects 0.000 claims description 2
- 238000007254 oxidation reaction Methods 0.000 claims description 2
- 229910052763 palladium Inorganic materials 0.000 claims description 2
- 229910052697 platinum Inorganic materials 0.000 claims description 2
- 229910052709 silver Inorganic materials 0.000 claims description 2
- 239000004332 silver Substances 0.000 claims description 2
- 239000011148 porous material Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 10
- 230000031700 light absorption Effects 0.000 abstract description 2
- 239000006185 dispersion Substances 0.000 abstract 2
- 230000006866 deterioration Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 226
- 230000004044 response Effects 0.000 description 49
- 230000035945 sensitivity Effects 0.000 description 19
- 238000001514 detection method Methods 0.000 description 16
- 238000005259 measurement Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 239000011540 sensing material Substances 0.000 description 5
- 238000012546 transfer Methods 0.000 description 5
- 238000003491 array Methods 0.000 description 4
- 229910002091 carbon monoxide Inorganic materials 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 239000010408 film Substances 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000000357 thermal conductivity detection Methods 0.000 description 3
- 238000009834 vaporization Methods 0.000 description 3
- 230000008016 vaporization Effects 0.000 description 3
- 230000004927 fusion Effects 0.000 description 2
- YBMRDBCBODYGJE-UHFFFAOYSA-N germanium dioxide Chemical compound O=[Ge]=O YBMRDBCBODYGJE-UHFFFAOYSA-N 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000001755 magnetron sputter deposition Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 229910005793 GeO 2 Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001739 density measurement Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000001917 fluorescence detection Methods 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 238000004868 gas analysis Methods 0.000 description 1
- 229940119177 germanium dioxide Drugs 0.000 description 1
- 239000012760 heat stabilizer Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000000341 volatile oil Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/18—Investigating or analyzing materials by the use of thermal means by investigating thermal conductivity
-
- 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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/03—Cuvette constructions
- G01N21/0303—Optical path conditioning in cuvettes, e.g. windows; adapted optical elements or systems; path modifying or adjustment
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/353—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
-
- 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
- G01N21/171—Systems in which incident light is modified in accordance with the properties of the material investigated with calorimetric detection, e.g. with thermal lens detection
-
- 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
- G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
-
- 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
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/004—CO or CO2
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- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/03—Cuvette constructions
- G01N21/0332—Cuvette constructions with temperature control
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
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- G01N33/0073—Control unit therefor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
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Abstract
【解決手段】二酸化炭素(CO2)純度センサ・パッケージ(80)が、ファイバ・コア(82)と、ファイバ・コア(82)の内部の周期的屈折率変調型ファイバ格子構造(86)と、ファイバ・クラッド(90)とを含んでいる。熱伝導性感知層(92)が周期的屈折率変調型ファイバ格子構造(86)を包囲するファイバ・クラッド(90)の部分の周りに配置されている。ガス室(94)が、熱伝導性感知層(92)付きファイバ・クラッド(90)を封入している。
【選択図】図3
Description
(表1)
工業ガス 蒸発熱 熱伝導度 融解熱
(kJ/kg) (×10-3W/m・K) (kJ/kg)
H2S 574 12.98 69.8
CO2 571 14.65 196.1
CH4 510 32.81 58.7
H2 454 168.35 58.2
CO 215 23.03 27.9
O2 213 24.24 13.9
N2 200 24.00 25.7
空気 199 23.94 22.5
H2 20 142.64 −−−
(表1続き)
工業ガス Cp Cv 比熱の比 比熱容量 分子量
(kJ/mol・K) (kJ/mol・K) (kJ/kg・K) (g/mol)
H2S 0.034 −−− 1.00 34.08
CO2 0.037 0.028 1.294 0.84 44.01
CH4 0.035 0.027 1.305 2.18 16.04
H2 0.029 0.021 1.384 14.38 2.02
CO 0.029 0.020 1.402 1.04 28.01
O2 0.029 0.021 1.393 0.91 32.00
N2 0.029 0.020 1.404 1.04 28.01
空気 0.029 0.02 1.403 1.00 28.95
H2 0.020 0.012 1.664 5.00 4.00
周囲温度T0でのファイバ格子構造86の共振波長λB(T0)は次式によって与えられる。
式中、nはファイバ・コアの実効屈折率を表わし、Λはファイバ格子構造変調の周期性である。さらに、温度Tでのファイバ格子構造86の波長応答Δλ(T)は次式によって与えられ得る。
式中、kTはファイバ格子温度応答係数であってkT≒(11±2)pm/℃として与えられ、ΔHはエンタルピー又はファイバ格子との全熱エネルギ交換であって、keを較正ファクタとする。一般的には、熱エネルギ交換はガス流温度の変化に比例し、次式によって与えられる。
感知層92を加えると、ファイバ格子構造86の波長応答は次式によって与えられ得る。
式中、κは修正されたファイバCO2ガス純度センサ温度応答感度を表わす。
22:光源
24:光カプラ
26:光ファイバ・ケーブル
30:ファイバCO2ガス純度センサ
32:光検出器
36:光ファイバ・ケーブル
38:データ取得ユニット
40:無線インタフェイス
50:CO2ガス純度感知システム
52:光源
54:光スプリッタ
56:1×N光スプリッタ
58:光ファイバ・ケーブル
60:ファイバ・ガス・センサ
62:光検出器アレイ
64:無線インタフェイス
66:データ取得ユニット
80:ファイバCO2ガス純度センサ・パッケージ
82:中心ファイバ・コア
84:長手軸
86、88:屈折率周期的変調型格子
90:ファイバ・クラッド
92:感知層
94:ガス室
96:ガス入口
98:ガス出口
100:熱安定器
102:弁
104:流量計
106:ジグザグ型ガス流路
120:ファイバ・ガス感知(FGS)アレイ・パッケージ
121:ファイバ・ガス・センサ・アレイ
122:ファイバ格子構造
124:アポダイゼーション付きファイバ格子構造
126:V字溝
128:ファイバ・クラッド
130:温度の関数としてのFGSの波長シフトのプロット
132:FGSピーク位置
140:温度に関する波長シフトの変化のプロット
150:CO2純度測定のファイバCO2ガス・センサ応答のプロット
152:500nmのニッケルを感知層としたファイバCO2ガス・センサの応答
154:100nmのニッケルを感知層としたファイバCO2ガス・センサの応答
170:空気を混合したCO2ガスの全範囲の測定についてのファイバCO2ガス純度センサ応答のプロット
180:N2を混合したCO2ガスでの3個のファイバCO2ガス純度センサからのCO2ガス検出感度のプロット
182:500nmのニッケルを感知層としたファイバCO2ガス・センサの応答
184:500nmのアルミニウムを感知層としたファイバCO2ガス・センサの応答
186:500nmの銅を感知層としたファイバCO2ガス・センサの応答
190:CO2純度測定についてのファイバCO2ガス純度センサ応答のプロット
220:CO2純度測定についてのファイバ・ガス・センサ応答のプロット
222:基準値
240:空気を混合したCO2ガスにおけるファイバCO2ガス・センサの反復性応答
260:ガス流量の関数としてのファイバCO2ガス・センサの振幅応答
Claims (10)
- ファイバ・コア(82)と、
ファイバ・クラッド(90)と、
前記ファイバ・コア(82)の内部の周期的屈折率変調型ファイバ格子構造(86)と、
前記周期的屈折率変調型ファイバ格子構造(86)を包囲する前記ファイバ・クラッド(90)の部分の周りに配置される熱伝導性感知層(92)と、
前記熱伝導性感知層(92)付き前記ファイバ・クラッド(90)を封入するガス室(94)と
を備えた二酸化炭素(CO2)純度センサ・パッケージ(80)。 - 基準温度及び該基準温度の変化を感知するアポダイゼーション付きファイバ格子(88)をさらに含んでいる請求項1に記載のCO2純度センサ・パッケージ。
- 前記ガス室(94)は気密封止されており、前記センサ・パッケージ(80)を周囲温度変化から遮蔽して前記センサ・パッケージを等温状態に保つファイバ・グラスで保護された熱安定器(100)を含んでいる、請求項1に記載のCO2純度センサ・パッケージ。
- 前記熱伝導性材料の熱伝導度は約71W/m・K〜約429W/m・Kにわたる、請求項1に記載のCO2純度センサ・パッケージ。
- 前記熱伝導性材料は、アルミニウム、銅、ニッケル、コバルト、銀、金、パラジウム又は白金を含んでいる、請求項4に記載のCO2純度センサ・パッケージ。
- 前記熱伝導性材料は、制御された多孔質構造又はナノ粒子形態を有するダイヤモンド、ダイヤモンド状炭素、又は酸化インジウムスズを含んでいる、請求項4に記載のCO2純度センサ・パッケージ。
- 前記熱伝導性感知層(92)は、チタン又はクロム系結合材の第一の層と、前記熱伝導性材料の中間層と、該熱伝導性材料を酸化、腐蝕及び浸蝕に対して保護するキャッピング層を含む最下層とを含むサンドイッチ型三層構造を含んでいる、請求項1に記載のCO2純度センサ・パッケージ。
- 前記周期的屈折率変調型ファイバ格子構造(86)は複数のファイバ・ブラッグ格子構造を含んでおり、前記熱伝導性感知層(92)は、それぞれの周期的屈折率変調型ファイバ・ブラッグ格子構造に関して配置された複数の熱伝導性感知層を含んでおり、該熱伝導性感知層の少なくとも幾つかは、異なる形式の混合ガスにおいてCO2純度を測定するように作用設定されている、請求項1に記載のCO2純度センサ・パッケージ。
- 二酸化炭素(CO2)純度を測定するシステム(20)であって、
光ファイバ・ケーブル(26)を通じて光信号を与える光源(22)と、
前記光信号を受け取るCO2純度センサ(30)であって、周期的屈折率変調型ファイバ格子構造(86)を、ファイバ・クラッド構造(90)と一体化された熱伝導性感知層(92)と共に含むCO2純度センサ(30)と、
該CO2純度センサ(30)を等温状態に保つ断熱円筒形ガス室(94)と、
前記CO2純度センサ(30)から反射した光信号を受け取る光検出器(32)と、
該光検出器(32)に結合されて、前記反射した光信号を解析する処理回路(38)と
を備えたシステム(20)。 - 多点二酸化炭素(CO2)純度を測定するシステム(50)であって、
光信号を光スプリッタ(54)を通じて複数のCO2純度センサ・パッケージ(60)に与える光源(52)と、
前記複数のCO2純度センサ・パッケージ(60)から反射した光信号を受け取る光検出器アレイ(62)と、
該光検出器アレイ(62)に結合されて、前記反射した光信号を解析する処理回路(66)と
を備えており、
前記CO2純度センサ・パッケージ(60)の各々が、
ファイバ・コア(82)の内部の周期的屈折率変調型ファイバ・ブラッグ格子構造(86)、及びファイバ・クラッド構造(90)と一体化されたナノ構造熱伝導性感知層(92)と、
前記ファイバ・コア(82)の内部に設けられて、基準温度及び該基準温度の変化を感知するアポダイゼーション付きファイバ・ブラッグ格子(88)と、
当該CO2純度センサ・パッケージ(60)を等温状態に保つ断熱円筒形ガス室(94)と
を含んでいる、
システム(50)。
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US12/845,871 US8467977B2 (en) | 2010-07-29 | 2010-07-29 | Fiber optic carbon dioxide purity sensor package and system |
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EP3036962B1 (en) | 2013-09-25 | 2021-04-07 | Sony Corporation | Telecommunications apparatus and methods |
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JP6767376B2 (ja) | 2015-01-30 | 2020-10-14 | ソニー株式会社 | 電気通信の装置及び方法 |
CN107251455B (zh) | 2015-02-12 | 2021-02-19 | 康维达无线有限责任公司 | 电信设备和方法 |
WO2016155984A1 (en) | 2015-03-31 | 2016-10-06 | Sony Corporation | Telecommunications apparatus and methods |
CN106770738B (zh) * | 2016-12-03 | 2024-02-20 | 浙江大学 | 一种二氧化碳浓度修正的呼出气多组分检测仪及检测方法 |
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WO2019204789A1 (en) | 2018-04-20 | 2019-10-24 | Emerson Climate Technologies, Inc. | Indoor air quality sensor calibration systems and methods |
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US11486593B2 (en) | 2018-04-20 | 2022-11-01 | Emerson Climate Technologies, Inc. | Systems and methods with variable mitigation thresholds |
US11371726B2 (en) | 2018-04-20 | 2022-06-28 | Emerson Climate Technologies, Inc. | Particulate-matter-size-based fan control system |
US20210223164A1 (en) * | 2018-05-11 | 2021-07-22 | Carrier Corporation | Detection system |
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