A fiber bragg grating optical sensor having a nanoporous coating 机翻标题: 暂无翻译,请尝试点击翻译按钮。

公开号/公开日
WO2015183090 A1 2015-12-03 [WO2015183090] / 2015-12-03
申请号/申请日
2015WO-NL50382 / 2015-05-28
发明人
BOERSMA ARJEN;SNELDERS DENNIS JOHANNES MARIA;
申请人
TNO - NETHERLANDS ORGANISATION FOR APPLIED SCIENTIFIC RESEARCH;
主分类号
IPC分类号
G01D-005/353G01N-021/77
摘要
(WO2015183090) The invention relates to an optical waveguide having a Fibre Bragg Grating, which waveguide is provided with a coating comprising a nanoporous sensor material, the sensor unit further comprising an optical detection unit for detecting a change in an optical property of the waveguide, wherein the grating is present in the core of the waveguide, the coating at least substantially surrounds the grating, which coating is expandable or shrinkable under the influence of the chemical substance, thereby causing a change in axial strain in the grating when he sensor material is exposed to the chemical substance, which change is detectible by a optical detection unit.  The invention further relates to an optical sensor system for measuring a chemical substance, the sensor system comprising a waveguide according to the invention.
机翻摘要
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地址
代理人
代理机构
;
优先权号
2014EP-0170289 2014-05-28
主权利要求
(WO2015183090) Claims   1.  An optical sensor system for measuring a chemical substance, the sensor system comprising an optical waveguide having a Fibre Bragg   Grating, which waveguide is provided with a coating comprising a   nanoporous sensor material, the sensor unit further comprising an optical detection unit for detecting a change in an optical property of the   waveguide, wherein the grating is present in the core of the waveguide, the coating at least substantially surrounds the grating, which coating is expandable or shrinkable under the influence of the chemical substance, thereby causing a change in axial strain in the grating when the sensor material is exposed to the chemical substance, which change is detectible by the optical detection unit.    2.  An optical sensor system according to claim 1, wherein the sensor material comprises a non-acidic zeolite.    3.  An optical sensor system according to claim 2, wherein the non- acidic zeolite is selected from the group of non-acidic MFI structure type zeolites, non-acidic LTA structure type zeolites, non-acidic MOR structure type zeolites and non-acidic FAU structure type zeolites.    4.  An optical sensor according to claim 3, wherein the non-acidic zeolite is selected from the group of silicalite, ZSM-5, Linde Type A, AIPO4- 5, AIPO4-34, zeolite X and zeolite Y.    5.  An optical sensor according to claim 4, wherein the non-acidic zeolite is selected from the group of ZSM-5 and silicalite.    6.  An optical sensor according to any of the preceding claims, wherein the sensor material comprises a metal-organic framework (MOF), in particular a MOF represented by the formula MnOkXiLp, wherein    - each M is independently selected from the group of metal and semi-metal ions, in particular selected from the group consisting of Ti4+, Zr4+, Mn4+, Si4+,    Al3+, Cr3+, V3+, Ga3+, In3+, Mn3+, Mn2+, Mg2+ and combinations thereof;    - m is 1 , 2, 3 or 4, preferably 1 or 3 ;    - k is 0, 1 , 2, 3 or 4, preferably 0 or 1 ;    - i is 0, 1 , 2, 3 or 4, preferably 0 or 1 ;   - p is 1 , 2, 3 or 4, preferably 1 or 3 ;    - O is oxygen    - each X is independently selected from the group of anions, in particular from the group of monovalent anions, more in particular from the group consisting of OH- Ck, F-, 1; Br-, S042", NO3-, CIO4- PF6", BF3-, - (COO)n , R1- (SO3V, R!-POe , wherein R1 is selected from the group consisting of hydrogen and hydrocarbons, in particular hydrogen and C 1-C 12   hydrocarbons, more in particular hydrogen and C 1-C 12 alkyls, and wherein n is 1 , 2, 3 or 4 ;    - L is a spacer ligand, in particular a spacer ligand comprising a radical R comprising q carboxylate groups (-COO-), wherein, q is 1 , 2, 3, 4, 5 or 6, preferably 2, 3 or 4 .  R may in particular be selected from the group consisting of C 1-C 12 alkyl, C2-C 12 alkene, C2-C 12 alkyne, mono- and poly- cyclic C6-C50 aryl, mono- and poly-cyclic C3-C50 heteroaryl and organic radicals comprising a metal material selected from the group consisting of ferrocene, porphyrin, phthalocyanine and Schiff base RX1RX2-C=N-RX3, wherein RX1 and RX2 are independently selected from the group consisting of hydrogen, C 1-C 12 alkyl, C2-C 12 alkene, C2-C l2alkyne and mono- and poly- cyclic C6-C50aryl and wherein RX3 is selected from the group consisting of C 1-C 12 alkyl, C2-C l2alkene, C2-C 12 alkyne and mono- and poly-cyclic C6- C50 aryl.    7.  An optical sensor system according to any of the preceding claims, wherein the coating has a thickness of 1-100 .mu..iota..eta., preferably of 3-70 .mu..iota..eta., more preferably of 5-50 .mu..iota..eta..    8.  An optical sensor system according to any of the preceding claims, wherein the coating is isothermally expandable or shrinkable under the    influence of the chemical substance, thereby isothermally causing a change in axial strain in the grating when the sensor material is exposed to the chemical substance.    9.  An optical waveguide having a Fibre Bragg Grating, which waveguide is provided with a coating comprising a nanoporous sensor material.    10.  An optical waveguide according to claim 9, wherein the sensor material comprises a non-acidic zeolite, preferably selected from the group of selected from the group of non-acidic MFI structure type zeolites, non- acidic LTA structure type zeolites, non-acidic MOR structure type zeolites and non-acidic FAU structure type zeolites, in particular a non-acidic zeolite selected from the group of silicalite, ZSM-5, Linde Type A, A1P04-5, zeolite X and zeolite Y, more in particular a non-acidic zeolite selected from the group of ZSM-5 and silicalite.   11. An optical waveguide according to claim 9 or 10, wherein the sensor material comprises a metal-organic framework (MOF), in particular a MOF represented by the formula MnOkXiLp as defined in claim 4.    12.  A method for making an optical waveguide according to any of the claims 9-11, the method comprising providing an optical waveguide having a Fibre Bragg Grating and providing a surface of the optical waveguide with a coating comprising the nanoporous sensor material.    13.  A method according to claim 12, wherein the sensor material comprises a zeolite, the method comprising    - providing an optical waveguide having a Fibre Bragg Grating;   - contacting the surface of the waveguide that is to be provided with a coating comprising a zeolite sensor material with a zeolite synthesis solution comprising a silicon source and a structure directing agent (such as a quaternary ammonium compound);    - depositing zeolite crystals from the zeolite synthesis solution on the surface of the waveguide, thereby forming a coating; and    - calcining the coating.    14.  A method according to claim 13, wherein the zeolite is a non- acidic zeolite.    15.  Method according to claim 14, wherein the non-acidic zeolite is selected from the group of selected from the group of non-acidic MFI structure type zeolites, non-acidic LTA structure type zeolites, non-acidic MOR structure type zeolites and non-acidic FAU structure type zeolites, in particular a non-acidic zeolite selected from the group of silicalite, ZSM-5, Linde Type A, A1PO4-5, zeolite X and zeolite Y, more in particular a non- acidic zeolite selected from the group of ZSM-5 and silicalite.    16.  Method according to claim 12, wherein the surface of the waveguide is subjected to a function alization treatment during which functional groups are provided on the surface, such as carboxylate groups, that can bind with metal ions for the MOF, thereafter contacting the surface, provided with the functional groups, with a metal-organic framework synthesis solution, and depositing a metal-organic framework from said synthesis solution to the surface of the waveguide.    17.  Use of an optical sensor system according to any of the claims 1-8 for detecting a chemical substance.   18. Use according to claim 17, wherein the chemical substance is selected from the group of alkanes.    19 Use according to claim 18, wherein the alkane is an alkane having  1 to 12 carbon atoms, in particular alkanes having 2 to 10 carbon atoms, more in particular linear alkanes having 2-10 carbon atoms.   20. Use according to claim 19, wherein the chemical substance is an alkanol, an alkanone, or an ether.    21.  Use according to any of the claims 17-20, wherein the chemical substance is detected in a gaseous phase.    22.  Use according to any of the claims 17-21, wherein the chemical substance is detected at a temperature above 100 deg.C, in particular at a    temperature in the range of 150-500 deg.C, more in particular at a temperature of 150-300 deg.C.    23.  Use according to any of the claims 17-22, wherein the chemical substance is detected in a gas or oil reservoir.
法律状态
(WO2015183090) LEGAL DETAILS FOR WO2015183090  Actual or expected expiration date=2017-11-28    Legal state=ALIVE    Status=PENDING     Event publication date=2015-05-28  Event code=WO/APP  Event indicator=Pos  Event type=Examination events  Application details  Application country=WO WONL2015050382  Application date=2015-05-28  Standardized application number=2015WO-NL50382     Event publication date=2015-12-03  Event code=WO/A1  Event type=Examination events  Published application with search report  Publication country=WO  Publication number=WO2015183090  Publication stage Code=A1  Publication date=2015-12-03  Standardized publication number=WO2015183090  LEGAL DETAILS FOR DESIGNATED STATE DE  Actual or expected expiration date=2016-11-28    Legal state=DEAD    Status=LAPSED   Corresponding cc:  Designated or member state=DE     Event publication date=2016-11-28  Event code=WO/NENP  Event type=Event indicating Not In Force  Non-entry into the national phase in: Corresponding cc:  Designated or member state=DE  LEGAL DETAILS FOR DESIGNATED STATE EP  Actual or expected expiration date=2034-05-28    Legal state=ALIVE    Status=PENDING   Corresponding cc:  Designated or member state=EP Corresponding appl: EP15732062    Event publication date=2016-01-13  Event code=WO/121  Event type=Designated states  EP: The EPO has been informed by wipo that ep was designated in this application Corresponding cc:  Designated or member state=EP     Event publication date=2016-01-13  Event code=WO/121  Event type=Designated states  EP: The EPO has been informed by wipo that ep was designated in this application Corresponding cc:  Designated or member state=EP
专利类型码
A1
国别省市代码
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