Phase fuorometric qhala oksijene sensor-sensor le Actuators-2001

Moralo le ts'ebetso ea probe e qhibilihisitsoeng ea oksijene e qhibilihisitsoeng (DO), e ipapisitseng le ho lemoha ha fuorometric e tingoeng ea komporo ea ruthenium e utloang oksijene.Motsoako ona o kentsoe ka har'a porous hydrophobic sol±gel matrix e ntlafalitsoeng bakeng sa ts'ebeliso ena.The excitation LED le photodiode discovery li sebelisoa ka dipstick probe con®guration, le oxygen-sensitive ®lm coated holim'a disposable PMMA disc, eo le eona e etselitsoeng ho tataisa leseli ho ®lm ka kakaretso re¯ection ka hare.Ntho ea bohlokoa ea moralo ke mokhoa o tloaelehileng oa ho hana karolo lipakeng tsa lets'oao le liteishene tsa litšupiso, tse hlokang khetho e hlokolosi ea likarolo tse amehang tsa optoelectronic.Melemo ea mokhoa oa mokhoa oa fuorometric ho feta tekanyo ea matla e totobatsoa.Mohato oa ho lemoha lisebelisoa tsa elektroniki li bonts'a botsitso ba nako e telele ka mocheso oa coef®cient oa 0.00087.Karabelo ea sensor e bonts'a karo-karolelano e ntle ea lerata-ho-lerata (SNR) le ho fetoha hape mme e lokiselitsoe ka bobeli mocheso le khatello.Moeli oa ho lemoha (LOD) hangata ke 0.15 hPa kapa 6 ppb.Sensor e na le lits'ebetso tse ngata tse ka bang teng empa e etselitsoe haholo ts'ebeliso ea tlhahlobo ea metsi a litšila.# 2001 Elsevier Science BV Litokelo tsohle li sirelelitsoe.

1. Selelekela

Boikemisetso ba moea oa oksijene ke ba bohlokoa libakeng tse ngata tsa indasteri, meriana le tikoloho.Palo ea oksijene e qhibilihisitsoeng metsing ke pontšo ea boleng ba metsi le taolo e hlokolosi ea maemo a oksijene ke ea bohlokoa tsamaisong ea metsi a litšila le ho belisoa. ditsamaiso.Li-sensor tsa Optical dissolved oxygen (DO) [1] li khahleha ho feta lisebelisoa tse tloaelehileng tsa amperometric, hobane, ka kakaretso, li na le nako ea karabelo e potlakileng, ha li je oksijene ebile ha li chefo habonolo.Ts'ebetso ea kutlo hangata e ipapisitse le ho tima ha ¯uorescence boteng ba oksijene.Mosebetsing ona, ho khethiloe ¯uorescent rutheniumcomplex, [Ru II-Tris(4,7-diphenyl-1,10-phenanthroline)] 2, (Ru-(Ph 2 phen) 3 2 ) ka lebaka la tšepe ea eona e ntšang metsi haholo- to-ligand charge-transfer state, nako e telele ea bophelo, le ho monya ho matla sebakeng sa botala bo boputsoa ba spectrum, e tsamaellanang le boputsoa bo khanyang bo hlahisang li-diode.Dae e kenngoa ka har'a porous, hydrophobic sol±gel ®lm.Ts'ebetso ea ho tima oksijene e hlalosoa ke li-equations tsa Stern±Volmer: moo 'na le t re leng teng, ka ho latellana, matla a fluorescence le boemo bo thabisang ba bophelo ba fluorophore, subscript 0 e bolela ho ba sieo ha oksijene, K SV the Stern±Volmer constant, k the diffusion-dependent bimolecular quenching constant, and p O 2 the oxygen partial pressure. Ho phatlaladitswe ho hongata [2±4] on optical oxygen sensors which the based on intensty quenching of fuorescenceEq.

(1).Hona joale ho thehiloe hore li-sensor tsena li na le mathata a mangata.Tsena li kenyelletsa ho ba bonolo ho tsoa mohloling oa leseli le ho hoholeha ha detector, ho fetoha ha tsela ea optical, le ho hoholeha ka lebaka la ho senyeha kapa ho tsoa ha dae.Litlamorao tsena li ka fokotsoa ka ho sebelisa sensor sebakeng sa nako sebakeng sa sebaka sa matla [5,6].The lifetime, t , ke thepa ea ka hare ea ¯uorophore eo, ho fapana le matla, e batlang e ikemetse ka ntle ho mathata a ka ntle.Nako ea bophelo e tima (e fokotsehile) ka pel'a oksijene 'me ho tima hona ho hlalosoa ho Eq.

(2).Sensor ea DO e tlalehiloeng mona, nako ea bophelo e hlahlojoa e le ts'ebetso ea mahloriso a oksijene ho sebelisoa mokhoa oa fuorometry oa phase [7,8], moo phapang ea karolo e utloang oksijene e lekantsoeng pakeng tsa lets'oao la fuorescence le fetotsoeng. ea mosebetsi ona e ne e le ho aha probe-based optical DO kutlo e thehiloeng mothating oa fuorometric molao-motheo.Mosebetsing ona, ts'ebeliso e kholo ea sensor ke ho hloekisa metsi a litšila.Speci®cations e kenyelletsa tekanyo ea tekanyo ea 0±15 ppm, botsitso ba 0.1 ppm ka beke, moeli oa ho lemoha (LOD) oa <10 ppb le tekanyo ea ntlha e le' ngoe.Ka pampiri ena, lintlha tsa moralo oa sensor ea optoelectronic hammoho le moralo oa lisebelisoa tsa elektronike tse lekanyang karolo li hlahisoa.Ts'ebetso ea sensor e tlalehoa mabapi le lintlha tse kaholimo, hammoho le mokhoa oa ho lekanya.Qetellong, melemo ea sistimi ho feta ho lemoha ho ipapisitseng le matla e ea totobatsoa.

2. Ho etsa lifilimi le lisebelisoa tsa teko

2.1.Ho etsa lifilimi

Sehlahisoa sa silica se entsoe ka metsi: precursor molar ratio(R) ea 4 le pH 1 joalo ka ha ho hlalositsoe pejana [4].Selelekela sa organically modi®ed se sebelisitsoeng e ne e le methyltriethoxy silane (MTEOS).Sebaka se chitja sa bophara ba 1 cm se ne se koahetsoe bohareng ba disk ea PMMA (sheba Karolo ea 5) ®lm e ile ea phekoloa ka 70 8 C bakeng sa 24 h.Rabara e ntšo ea silicone ®lm (Wacker, Elastosil N189) e ile ea kenngoa sebakeng sohle sa disc ho arola sensor ®lm ho tloha tikolohong ea ho lekanya.

2.2.Lisebelisoa tsa teko

Karabelo ea sensor e ile ea lekanyetsoa ka ho qoelisa sensor ka letamong la metsi, moo ho neng ho kolotoa metsoako ea oksijene le likhase tsa naetrojene, tse laoloang ke balaoli ba moholi o moholo (Unit Instruments, UFC1100A).Bakeng sa ho lekanya mocheso, letamo ka bolona le ile la qoelisoa ka bateng e sa feleng ea mocheso (Lauda, ​​RE104).

3. Phase fluorometry

3.1.Melao-motheo ea mohato oa fluorometry

Nako ea bophelo ea pontšo ke thepa ea tlhaho 'me e batla e ikemetse ho ts'ebetsong ka matla a khanyang, kutloisiso ea detector le tsela e khanyang ea optical system [7].Ka laboratoring ena, meralo e fetileng ea sensor ea oksijene ea optical [3,4] e ipapisitse le ho tima ho matla joalo ka ha ho hlalositsoe ke Eq.(1).Le ha li-sensor tsena li bonts'a karo-karolelano e ntle haholo ea lerata-ho-lerata (SNR) le karabelo e ka phetoang, li na le bothata ba ho hoholeha ka lebaka la likhahla tsa LED mme li kotsing ea ho hoholeha ka lebaka la boemo ba sensor ®lm.

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Phapang.Hape ho na le monyetla oa ho fetoha ha karabelo ka lebaka la dae leaching le photobleaching.Boholo ba mathata ana a ka hlōloa ka ho sebelisa mokhoa oa phase ¯ uorometric o kenyelletsang ho sebetsa sebakeng sa nako ho latela Eq.(2), sebakeng sa ho intensity domain.Haeba lets'oao la ho hlasimolla le fetotsoe ka sinusoidally, fuorescence ea dae le eona e fetotsoe empa nako e liehile kapa mohato o fetotsoe mabapi le lets'oao la ho hlasimolla.Kamano e teng lipakeng tsa bophelo bohle, t , le phetoho e tsamaellanang ea mohato, f , bakeng sa ho bola ha exponential e le 'ngoe ke moo f e leng maqhubu a ho feto-fetoha ha molumo.Phetoho ea mohato ona e bontšoa ho Setšoantšo sa 1. Bothata ba karolo ea fluorometry ke hore SNR e fokotseha ka ho eketseha ha maqhubu a ho feto-fetoha ha maemo, 'me ho tloha ha kutloisiso ea mohato e eketseha ka maqhubu a modulation [9], ho lokela ho khethoa maqhubu a nepahetseng.Sena se tla tšohloa, mmoho le phasemeasurement electronics Karolong ea 5.

4. Lintlha tsa moralo oa sensor

Moralo oa moralo oa probe o bontšitsoe setšoantšong sa 2. Con®guration ea compact probe e ne e sebelisetsoa ho lumellana le litlhoko tsa ts'ebeliso e itseng (ho hlahloba metsi a litšila).The probe e ka ba bolelele ba 15 cm ka bophara le bophara ba 4 cm.Ntle le optoelec tronics le sensor ®lm, compact preampli®er e boetse e kenngoa ka har'a probe.Mohloli oa thabo ke LED e putsoa (Nichia, NSPE590) 'me e khethiloe [10] bakeng sa litšobotsi tsa eona tsa mocheso tse batlang li tsitsitse tse tšoanang le tsa LED ea litšupiso (sheba ka tlase).Sesebelisoa ke silicon photodiode (Hamamatsu, S1223), eo hape e bonts'ang botsitso bo botle ba mocheso.Leseli le fetotsoeng le tsoang ho LED e putsoa ® le fetotsoe ka ho sebelisa khalase e putsoa bandpass ®lter (OF1: Schott, BG12) ea botenya ba 2 mm e le ho felisa mohatla o phahameng oa maqhubu a tlhahiso ea LED.Phase-shifted ¯uorescence ho tloha ho sensor ®lm ke ketsahalo ea photodiode ka mor'a hore e fete ka har'a optical long-pass ®lter (OF3: LEE-gel ®lter135), ho arola leseli le tsosang takatso ho tsoa. ho ka bonoa hore hydrophobic sol±gel sensor ®lm, e kileng ea ntlafatsoa bakeng sa DO sensing [4], e koahetsoe holim'a disc ea PMMA e nang le bohale ba angled.Sekhutlo se khethiloe ho ntlafatsa kakaretso ea ka hare ea lebone la LED ho sensor ®lm.PMMA e khethiloe e le substrate bakeng sa sensor ®lm ka lebaka la boiketlo ba ho sebetsa le ka sepheo sa ho qetella ho qapa sekoahelo se entsoeng ka ente e entsoeng ka ente ho tsamaisa tlhahiso ea bongata.The sol ± gel sensor layer e koahetsoe ka rabara e ntšo ea opaque ®lm, eo botenya ba eona e leng ho sekisetsa lipakeng tsa ho fihlela opacity e felletseng le phello e nyane nakong ea karabelo ea sensor.Sena se thusa ho fokotsa mahlaseli a kotsi ka lebaka la khanya e teng tikolohong ea ho metha hammoho le ho qoba khanya ea LED ea mefuta efe kapa efe e ka ntle ea ¯uorescent.LED ea bobeli (Hewlett Packard, HLMA-KL00) ke karolo ea morero oa ka hare oa litšupiso tse peli.LED ena ea litšupiso e tsoa ho 590 nm 'me e ® e fetotsoe ke ®lter ea bandpass (OF3: Schott,BG39).LED ena e boemong bo tšoanang le ba fuorescence (610 nm), 'me e khethiloe ka hloko [10] ho bapisa le khanya e putsoa ea LED mabapi le ho fetola nako le litšobotsi tsa mocheso.Li-spurious phase shifts e le ts'ebetso ea mocheso le li-fuctuations tse ling li felisoa ke referense ena e 'meli, lintlha tsa eona li tšohloa Karolong ea 5. Thermistor e kenngoa ka har'a tšepe ea tšepe e haufi le disc ea sensor e le ho shebella mocheso oa tekanyo.

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5. Mokhahlelo oa tekanyo ea elektronike le ho fumana lintlha

Setšoantšo sa li-block tsa tsamaiso ea tekanyo ea mekhahlelo e bontšoa setšoantšong sa 3. LED e 'ngoe le e' ngoe e fetotsoe ka makhetlo a 20 kHz.Joalokaha ho boletsoe Karolong ea 3, maqhubu ana a ntlafalitsoe ka hloko e le ho sekisetsa pakeng tsa SNR e fokotsehileng ka maqhubu a phahameng a ho feto-fetoha ha maemo le ho fokotsa kutloisiso ea karolo ka lebelo le tlase [10].Ntho e 'ngoe e eketsehileng ea ho lumellana ha moralo ona ke matla a LED, a fokotsehileng ho isa boemong boo photobleaching ea dae e sa amoheleheng.Letšoao la modulated ¯uorescence ho tloha photodiode le fetoloa ka transimpedance ampli®er (TR IMP) ho ea ho motlakase. sesupo.Joale sena se ampli®ed le bandpass ®ltered (AMP) ho felisa karolo ea DC le li-harmonics tse phahameng tsa lets'oao.Ho sebelisoa speci®c delimiter circuit (LIM) ho thibela ho tlala ha li-ampli®ers le ho feta ha comparator (COMP).Letšoao la TTL le fetotsoeng ka mohato le hlahisoa ho tsoa ho sebapi, 'me le feptjoa hammoho le lets'oao la ho hlasimolla, ho kena hekeng e ikhethileng-kapa (EXOR).Letšoao la tlhahiso le ® le fetotsoe ke lowpass ®lter (LP) e fanang ka lets'oao la motlakase le lekanang le phetoho ea mohato o lekantsoeng.Joalo ka ha ho boletsoe Karolong ea 4, lisebelisoa tsa elektroniki tsa sensor li etselitsoe ho felisa liphoso ka lebaka la elektronike le boitšoaro bo amanang le mocheso.Sena se finyelloa ho sebelisoa tsamaiso ea litšupiso tsa LED tse peli.Joalokaha ho bonoa setšoantšong sa 3, khanya ea LED1 le LED2 ea litšupiso li fetoloa ka tsela e fapaneng e le hore li tsebe hore na phapang ea mekhahlelo e teng joang, f ref, ka lebaka la lisebelisoa tsa elektronike feela.Phetoho ea mohato ona e tlosoa ka nako ea sebele ho tloha phetohong e itšetlehileng ka oksijene, f sig , ho fumana phetoho ea karolo ea speci®c sensor output.

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6. Ts'ebetso ea sensor le protocol ea calibration

6.1.Karabelo ea oksijene

Joalo ka ha ho tšohloa Karolong ea 3, ho khethiloe maqhubu a ho feto-fetoha ha 20 kHz e le ho sekisetsa lipakeng tsa kutlo ea oksijene le SNR mohatong oa ¯ uorometric system.Mokhoa o tloaelehileng oa karabo ea sensor, f e le ts'ebetso ea khatello ea karolo e itseng ea oksijene, e bontšoa setšoantšong sa 4. Karabelo ena e ile ea lekanyetsoa ho feta tekanyo e feletseng ea mahloriso a oksijene ea 0± 100% mocheso oa ®xed oa 20 8 C. Ke ho hlakile hore lintlha tsena li bonts'a SNR e ntle le ho pheta-pheta.Ho pheta-pheta ha karabelo bakeng sa sensor e itseng ®lm ho bontšoa setšoantšong sa 5. Mona, karabelo ea ®lm ka nako ea likhoeli tsa 3 e hlalosoa e le morero oa Stern±Volmer Eq.(2).Lintlha tse fetelletseng li bontša botsitso ba karabelo.Joalo ka setšoantšo sa 4, lintlha tsena li tlalehiloe ho 20 8 C.

6.2.Tokiso ea mocheso

Ho na le litlatsetso tse 'maloa ho itšetlehileng ka mocheso oa karabelo ea sensor ea oksijene.Joalo ka ha ho hlalositsoe Karolong ea 5, ho its'etleha ho fe kapa hofe ha mocheso oa lisebelisoa tsa elektronike tsa tekanyo ea mohato ho hlalositsoe haholo ke tsamaiso ea li-LED tse peli, e leng se hlahisang mocheso o tlase haholo oa coef®cient oa 0.00087 degrees of phase/ 8 C. Menehelo e setseng. li itšetlehile ka mocheso oa ruthenium ¯uorescence le oksijene.

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Boholo ba potoloho e bontšitsoeng setšoantšong sa 3 e behiloe ka thoko ho hlooho ea sensor.Setsi sena se kenyelletsa sensor ea khatello ho shebella khatello ea tikoloho nakong ea tekanyo.Sethala sa pele sa ampli®er se kenngoa hloohong ea sensor (setšoantšo sa 2) e le ho fokotsa lerata tsamaisong.Ho fumana le ho hlahloba lintlha ho finyelloa ka PC le A / D interface karete.The phase shift, ( f sig ÿ f ref ) e rekotwa mmoho le mocheso le kgatello ya tikoloho mme e sebetswa ka hara software ho fana ka mocheso le kgatello di lokisitsweng curve tsa calibration jwalo ka ha ho hlalositswe karolong e latelang.

Liphello li khetholloa ka ho lekanya karabo ea sensor e le mosebetsi oa mocheso.Karabelo e ile ea lekanyetsoa ka mefuta e mengata ea 5 ± 30 8 C ka mehato ea 2 8 'me lintlha tse fumanoeng li bontšoa setšoantšong sa 3-D se bontšitsoeng setšoantšong sa 6. Lintlha tsena li sebetsanoa, joalokaha ho tšohloa karolong e latelang, e le ho hlahisa mosebetsi oa ho lokisa mocheso o lokisoang.

6.3.Protocol ea calibration

Li-curve tsa karabelo joalo ka setšoantšong sa 4 li hlahlojoa ho hlahisa boleng ba karolo e tloaelehileng bakeng sa mahloriso ka 'ngoe a oksijene.Mokhoa oa li-cubic spline ®tting o sebelisetsoa ho ®t angle ea mohato le data ea khatello ea karolo ea oksijene bakeng sa mocheso ka mong.Sena se sebelisetsoa ho hlahisa palo e sa khaotseng ea "f data" bakeng sa mefuta e sa khaotseng ea likhahla tsa oksijene le mocheso tse bolokiloeng ho software.Motsoako o sa tsejoeng oa oksijene o lekantsoeng ®eld o fumanoa ka ho kenya boleng ba mohato o lekantsoeng o fellang ka tlhahiso ea mocheso o ts'oanang le oa concen tration data set.Sena se ®ted joalo ka pele mme ho fumanoa motsoako o nepahetseng oa oksijene o tsamaellanang le mocheso oa tekanyo.Software e boetse e lumella ho lokisoa ha sekhahla sa calibration ho lokisa khatello ea ambient ka letsatsi la tekanyo (haeba sena se fapane le khatello nakong ea ho lekanya).

6.4.Moeli oa ho lemoha le botsitso ba nako e telele

SNR ea 750 e lekantsoe ka liteko.Sena se hlahisa LOD e tlase haholo.LOD le qeto ea sensor li lekantsoe ka makhetlo a mararo ho kheloha ho tloaelehileng ha lerata, ha li ntse li lekana le 30 s.Ka lebaka la ho se ts'oanelehe ha karabo ea phase-oksijene, e bonoang libakeng tse sa tloaelehang tsa Stern ± Volmer tsa setšoantšo sa 5, qeto e fapana le khatello ea oksijene.LOD e ne e lekantsoe ho ba 6.6 ppb kapa 0.15 hPa, ha qeto ea 9 ppm concen tration ea oksijene e lekantsoe ho ba 15 ppb kapa 0.34 hPa.LOD ena e tla hantle ka har'a speci®cation (<10 ppb) bakeng sa ts'ebeliso e khethehileng ea metsi a litšila. Lithuto tsa nako e telele tsa botsitso li entsoe ka li-sensor ®lms tse ngata, e 'ngoe ea tsona e' nile ea sebelisoa ka nako e fetang likhoeli tse 12. .Karabelo ea ®lms e bonahala e tsitsitse ka har'a phoso ea sistimi ea tlhahlobo ea laboratori.Bonyane, sensor e kopana le tlhokahalo ea botsitso e boletsoeng ea 0.1 ppm ka beke.®lm ka boeona e matsutla-tsutla 'me e tla mamella maemo a feteletseng a limela tsa ho hloekisa metsi a litšila.

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7. Qetello

Sensor e phahameng ea ts'ebetso ea DO, e ipapisitseng le phallo ea fuorometric, e tlalehiloe.Melemo ea ho lemoha mokhahlelo holim'a ho lemoha matla a matla a khantšitsoe haholo 'me ho hlalositsoe hlooho e ikhethang ea sensor le potoloho ea ho lekanya.Sistimi e 'meli ea litšupiso tsa LED le khetho e hlokolosi ea likarolo tsa optoelectronic le tsa elektroniki li hlahisitse motheo o tsitsitseng o nang le mocheso o tlase oa coef®cient.Karabelo ea sensor e tšoauoa ka SNR e ntle le ho pheta-pheta.Ts'ebetso ea sensor e feta lipehelo tsa pele tsa ts'ebeliso ea tlhahlobo ea metsi a litšila.LOD ke <10 ppb, ha botsitso ba nako e telele bo tla etsa hore ts'ebetso e tšepahalang e be teng ka nako ea likhoeli bonyane.Ho itšetleha ha mocheso oa karabo ea sensor ho 'nile ha khetholloa' me ho kenyelelitsoe mosebetsing oa ho lekanya.Le hoja sensor e tla sebetsa ka mokhoa o khotsofatsang holim'a mefuta e feletseng ea likhahla tsa oksijene ho fihlela ho 100% DO, karabo e utloahala ka ho khetheha maemong a tlaase a oksijene ka lebaka la matla a ts'ebetso ea optical quenching tikolohong e fapaneng ea microporous ®lm.Sol±gel sensor ®lm e matsutla-tsutla mme e ka kenyelletsoa ka har'a con®guration ea cap e lahliloeng.Hlooho ea sensor e thehiloeng ho probe e etselitsoe ka ho khetheha bakeng sa ho lekola metsi a litšila empa sensor e ka phutheloa hape bakeng sa lits'ebetso tse ling tse ka bang teng.Haholo-holo, ts'ebeliso ea lisebelisoa tse nyane tsa optoelectronic le monyetla oa ho etsa mohlala o monyane oa sol±gel ®lm, e ka lebisa lits'ebetsong libakeng tse ling tse joalo ka libaka tsa bongaka le tsa ho paka lijo.

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[10] C. Kolle, Nts'etsopele le tlhahlobo ea sesebelisoa sa phase-fluorometric bakeng sa luminescence based optical oxygen sensor.Thesis ea Ph.D., Univesithi ea Leoben, Phupu 1999.
[11] N. Opitz, HJ Graf, DW Lubbers, sensor ea Oxygen bakeng sa mocheso oa 300±500 K ho itšetlehile ka ho tima ha fluorescence ea li-membrane tsa rabara tsa silicone, Sens. Actuators B 13(1988) 159.BiographiesColette McDonagh o fumane lengolo la tlhompho. degree in Experimental Physics from University College, Galway ka 1976. O ile a abelwa PhD in Physics from Trinity College, Dublin ka 1980. O ile a qeta dilemo tse latelang tse 3 e le moithuti ka mora ho etsa dipatlisiso tsa bongaka, a latelwa ke Morupeli wa Nakonyana Lefapheng la Pure. le Fisiks e Sebelisitsoeng Trinity College, Dublin.Ka 1985, o ile a ea Lefapheng la Applied Science Univesithing ea California e Davis, e le Moenjineri oa Lipatlisiso, 'me a khetheloa boemo ba hae ba hona joale e le Morupeli Sekolong sa Fisiks sa Univesithi ea Dublin City ka 1986. O na le phihlelo e ngata optical characterization of materials including crystals, glasses and thin films.Ho tloha 1991, Dr. McDonagh, e le setho sa Optical Sensors Research Group Sekolong sa Physical Sciences ho DCU, e bile mafolofolo ho nts'etsopele ea lisebelisoa tsa lik'hemik'hale tsa optical haholo-holo sol± li-sensor tse thehiloeng ho gel.Li-sensor hajoale tse ntseng li ntlafatsoa li kenyelletsa oksijene (khase le e qhibilihisitsoeng), carbon dioxide, pH le ammonia.Lithuso tsa lichelete bakeng sa mosebetsi ona li tsoa mehloling e fapaneng e kenyeletsang EU, indasteri le mekhatlo ea naha.Dr.McDonagh o hatisitse haholo likoranteng tse hlahlobiloeng ke lithaka libakeng tsa Optical Sensors and Materials Characterization.Christian Kolle o hlahetse Klagenfurt, Austria.O ile a fumana lengolo la `Diplom Ingenieur' in Electrical Engineering ho tloha Technical University,Graz ka 1993. O ile a ba setho sa Institute for Chemical and Optical Sensors at Joanneum Research, Graz, Austria, ka 1994, moo a neng a sebetsa ho nts'etsopele ea lisebelisoa. bakeng sa li-sensor tsa optical oxygen.Ho tloha 1998 ho isa 1999, o ne a e-na le Sekolo sa Saense ea Fisiks Univesithing ea Dublin City e le Setsebi se Phahameng sa Lipatlisiso.Ka 1999, o ile a qeta PhD ea hae ka lisebelisoa tsa phallo ea fluorometric bakeng sa optical oxygen sensing Univesithing ea Leoben, Austria.Hona joale o na le Sensor IC Group ho Infineon Technologies Microelectronics Design Centre, Austria. Aisling McEvoy o ile a fumana mangolo a Honours Degree in Experimental Physics ho tloha University College, Dublin ka 1992. Eaba o fallela Optical Sensors Laboratory Univesithing ea Dublin City, 'me a fuoa PhD in Physics ka 1996. O qetile lilemo tse 2 a sebetsa e le Senior Process Engineer in Intel Ireland, 'me esale a sebetsa Setsing sa Sechaba sa Lipatlisiso tsa Sensor, DCU e le mofuputsi oa morao-rao ho tloha ka April 1999.Brian MacCraith ke Mookameli oa Setsi sa Naha sa Patlisiso ea Sensor le Moprofesa ea Tšebelisano le Fisiks Univesithing ea Dublin City.O amohetse BSc (1st Class Hons) ho Experimental Physics ka 1978 University College, Galway.Ka 1982, o ile a qeta PhD ea hae ea fisiks (Optical
Spectroscopy ea likristale tsa chromium-doped) hape ho UCG O ile a ikopanya le basebetsi ba Dublin City University ka 1986 mme a theha Optical Sensors Laboratory moo.Ho tloha ka nako eo o 'nile a hlahella tšimong ea lisebelisoa tsa lik'hemik'hale tsa optica' me o phatlalalitse haholo ka lihlooho tsa evanescent wave sensing le sensors bakeng sa ho hlahloba tikoloho.Haholo-holo, sehlopha sa hae se 'nile sa etella pele ho sebelisa theknoloji ea sol±gel ho nts'etsopele ea li-optical chemical sensors.Mosebetsi ona o lebisitse ho phatlalatsoeng ha pampiri ea pele e buang ka li-intrinsic fibre-optic sol±gel-based sensors ka 1991 le ho fanoa ha European Patent bakeng sa lisensara tsa Sol±gel waveguide ka 1997. Hajoale, Moprofesa MacCraith o sebetsa haufi-ufi le indasteri. ho ea ho nts'etsopele ea lisebelisoa tse tsoetseng pele tsa optical bakeng sa tlhahlobo ea khase le metsi.C.McDonagh et al./ Li-Sensors le Actuators B 74 (2001) 124±130 129Daragh Dowling o qetile BSc ea hae (Hons) ho Applied Physics Univesithing ea Dublin City, Ireland.Hona joale o ntse a hahamalla lengolo la thuto ea morao-rao ho Optical Sensors Laboratory Univesithing ea Dublin City.Sarah-Jane Cullen o qetile lengolo la BSc ho Fisiks le Khemistri Setsing sa Theknoloji sa Dublin se Kevin Street.O sebelitse e le motlatsi oa lipatlisiso ho Optical Sensors Laboratory Univesithing ea Dublin City mabapi le thepa/karolo ea deposition ea projeke ea dissolved oxygen sensor.Attilio (Tony) Cafolla o ile a fumana lengolo la BSc ho tsoa Lefapheng la Fisiks ho Trinity College Dublin ka 1975 mme a fumana MSc ho Fisiks ho tsoa setsing se le seng ka 1977. O fumane PhD ea Solid-State Physics ho tsoa Univesithing ea Virginia ka 1985 mme a tšoara maemo a Research Associate ho Atomic le Molecular Physics Univesithing ea Manchester ho tloha 1985 ho isa 1989 le Surface Science Univesithing. ea Wales, College of Cardiff ho tloha 1989 ho ea 1992. Boemo ba lipatlisiso ka bobeli bo ne bo kenyelletsa lithuto tsa mahlaseli a synchrotron mehloling ea Daresbury SRS, Bessy, le Aladdin synchrotron.Lithahasello tsa hae tsa lipatlisiso li kenyelletsa: photoemission ho tloha semiconductor le tšepe bokaholimo le interfaces;lithuto tsa sebopeho sa bokaholimo ho sebelisa ScanningTunneling Microscopy le Low Energy Electron Diffraction; thepa ea pono ea bokaholimo ka Reflectance Anisotropy Spectroscopy le mekhoa ea Magneto-optical;Lisebelisoa tsa Genetic Algorithms le Evolutionary Strategies ho fisiks.


Nako ea poso: Mar-21-2022