Kev ua kom muaj zog fluorescence yog ib qho txheej txheem kev siv tshuab hauv kev tshuaj ntsuam biomedical, flow cytometry, spectral analysis thiab lwm yam teb. Kev xaiv cov teeb pom kev zoo ntawm lub teeb pom kev zoo ncaj qha txiav txim siab qhov rhiab heev ntawm kev kuaj pom thiab cov ntaub ntawv zoo. Tau ntev, cov teeb pom kev zoo broadband xws li cov teeb mercury thiab cov teeb xenon tau tswj hwm kev ua lag luam. Txawm li cas los xij, lawv cov teeb meem suav nrog cov kab spectral dav dav, cov teebmeem thermal tseem ceeb thiab kev ruaj khov tsis zoo tau dhau los ua qhov tseem ceeb. Nyob rau hauv xyoo tas los no, 525nm ntsuab fiber lasers tau tshwm sim ua qhov chaw nyiam teeb pom kev zoo rau kev ua kom muaj zog fluorescence, ua tsaug rau lawv cov monochromaticity zoo heev, lub zog ceev ceev thiab kev xa khoom fiber ntau yooj ywm. Tsab xov xwm no tshuaj xyuas cov logic kev txawj ntse tom qab qhov sib txawv no los ntawm kev xav ntawm kev hloov pauv ntawm cov thev naus laus zis teeb pom kev zoo, kev sib phim spectral, kev txhim kho qhov sib piv ntawm lub teeb liab thiab kev sib koom ua ke, thiab qhia Lumispot cov khoom lag luam ntawm 525nm ntsuab fiber lasers.
I. Cov Kev Txwv ntawm Cov Chaw Teeb Pom Kev Broadband Ib Txwm Muaj: Vim Li Cas Thiaj Yuav Tsum Tau Hloov Kho Dua Tshiab
Cov txheej txheem fluorescence spectroscopy feem ntau siv cov teeb mercury, xenon teeb lossis deuterium teeb ua qhov chaw txhawb nqa. Cov teeb pom kev zoo no raug kev txom nyem los ntawm qhov tsis zoo xws li cov kab spectral txwv, qhov muaj zog luminous tsawg, qhov tso zis tsis muaj zog hauv ultraviolet band, kev ruaj khov tsis zoo thiab cov teebmeem thermal hnyav. Qhov tseem ceeb tshaj, ua ntej mus txog cov qauv, lub teeb uas cov teeb mercury tso tawm yuav tsum dhau los ntawm ntau theem optical lim dej thiab lens, ua rau lub teeb attenuation kwv yees li ib lab zaug ntawm qhov tawm ntawm lub lens lub hom phiaj.
Qhov no txhais tau tias muaj zog ntau heev raug pov tseg rau ntawm cov wavelengths uas tsis yog lub hom phiaj, ua rau lub zog kho qhov muag tsis muaj zog heev los ua kom cov fluorescent molecules zoo siab. Tsis tas li ntawd, cov teeb mercury thiab xenon tsim cov hluav taws xob infrared thermal thaum lub sijhawm ua haujlwm, uas yuav ua rau muaj kev puas tsuaj rau cov qauv biological uas rhiab rau qhov kub thiab txias. Cov kev txwv no tsav tsheb kev hloov pauv ntawm cov teeb pom kev zoo fluorescence mus rau kev ua haujlwm zoo dua thiab cov teebmeem thermal qis dua.
II. Cov txiaj ntsig tseem ceeb ntawm Lasers ua cov chaw txhawb nqa fluorescence
Cov lasers siv ua lub teeb pom kev hauv laser-induced fluorescence spectroscopy. Lasers muaj cov monochromaticity zoo dua, txoj kab nqaim, kev coj zoo, lub zog siab thiab kev sib koom ua ke zoo. Lub laser tuaj yeem ua rau ntau cov molecules hauv cov khoom siv mus rau lub xeev excited, tsim cov fluorescence nrog lub zog siab dua li lub teeb tawg. Yog li ntawd, laser-induced fluorescence spectroscopy muab kev rhiab heev ntawm kev ntes, kev ua tau zoo dua, qis dua kev ntes thiab pab txhawb kev tshuaj xyuas cov qauv thiab cov ntsiab lus ntawm cov khoom.
Piv nrog rau cov khoom siv ib txwm muaj xws li cov teeb mercury, cov lasers kuj zoo dua hauv lub neej ua haujlwm. Cov lasers muaj lub neej ntev dua li cov teeb mercury, cov teeb xenon lossis cov teeb halogen. Hauv kev ua kom muaj fluorescence, qhov sib phim ntawm qhov wavelength excitation thiab qhov siab tshaj plaws ntawm cov xim fluorescent ncaj qha tswj hwm qhov ua tau zoo ntawm kev ua kom muaj zog. Kev ua tau zoo tshaj plaws tuaj yeem ua tiav thaum qhov siab tshaj plaws ntawm qhov wavelength excitation ntawm cov xim ze rau qhov wavelength laser. 525nm poob rau hauv qhov ntau ntawm kev ua kom muaj zog zoo tshaj plaws ntawm ntau cov xim fluorescent uas siv ntau.
III. Tus nqi tshwj xeeb ntawm 525nm Wavelength: Spectral Matching thiab Thermal Damage Control
Qhov zoo ntawm 525nm lub teeb ntsuab rau kev ua kom muaj fluorescence yog thawj qhov hauv nws qhov kev ua haujlwm siab los txhawb ntau yam fluorescent dyes. 525nm lub teeb ntsuab yog qhov zoo rau kev txhawb ntau yam tshuaj fluorescent probes muaj txiaj ntsig zoo, suav nrog Calcium Green, rhodamine derivatives thiab Cy3. Hauv kev ntsuas flow cytometry, 525nm laser ntsuab tuaj yeem txhawb cov fluorophores nrov xws li FITC, Alexa Fluor 488 thiab Qdot 525. Ua ke nrog kev xa khoom fiber, nws tuaj yeem hloov kho tau yooj yim rau txoj kev pom ntawm cov cuab yeej thiab txhim kho qhov tseeb thiab kev ua haujlwm ntawm kev tshuaj xyuas cell.
Qhov thib ob, lub laser 525nm tsis muaj cov khoom siv hluav taws xob infrared thermal. Tsis zoo li cov roj-tso tawm xws li cov teeb mercury, cov khoom sib xyaw spectral ntawm lub laser 525nm yog dawb kiag li ntawm cov hluav taws xob infrared thermal, tshem tawm cov kev pheej hmoo ntawm cov qauv denaturation los ntawm cua sov. Tus cwj pwm no yog qhov tseem ceeb rau cov ntawv thov kub-rhiab xws li kev thaij duab ntawm lub hlwb thiab kev soj ntsuam fluorescence ntev.
Ntxiv mus, lub teeb ntsuab 525nm muaj kev nkag mus zoo thiab cov yam ntxwv tshwj xeeb hauv cov ntaub so ntswg. Siv lub zog nqus ntawm lub teeb ntsuab 525nm los ntawm cov hlab ntsha, nws txhim kho kev pom ntawm cov qauv hlab ntsha ntawm cov qhov mucosal thiab txhim kho qhov tseeb ntawm kev kuaj mob.
IV. Kev Sib Txuas Fiber: Cov Tshuab Ua Kom Muaj Zog Fluorescence Yooj Yim Dua thiab Me Me
Hauv cov tshuab tsom iav fluorescence ib txwm muaj, cov khoom siv teeb pom kev zoo xav tau kev sib txuas, kev lim dej thiab kev tsom mus rau ntawm cov khoom siv kho qhov muag uas muaj qhov chaw dawb, ua rau muaj kev nyuaj ntawm txoj kev kho qhov muag thiab kev xav tau kev sib dhos siab. Cov laser fiber-coupled xa lub teeb laser ncaj qha mus rau hauv cov cuab yeej kho qhov muag los ntawm cov fibers kho qhov muag uas yooj ywm, txo qhov nyuaj ntawm kev koom ua ke ntawm lub cev.
Hauv cov tshuab microscopes fluorescence fiber-optic, tsis tas yuav muaj cov lim dej lossis cov iav raws txoj kev fiber, ua rau muaj kev poob qis ntawm lub zog radiant tsawg kawg nkaus. Qhov sib piv, rau cov kev daws teeb meem mercury teeb ib txwm muaj, lub zog ntawm lub teeb raug txo los ntawm kwv yees li ib lab zaug ntawm lub teeb mercury mus rau qhov tawm. Cov txiaj ntsig ntawm kev sib txuas fiber txuas ntxiv mus dhau qhov ua tau zoo; nws ua rau muaj kev hloov pauv tau yooj yim. Cov fibers optical tuaj yeem hloov kho rau qhov tsim ntawm cov khoom siv sib txawv, tso cai rau cov peev txheej excitation kom koom ua ke rau hauv cov flow cytometers, confocal microscopes, fluorescence endoscopes thiab ntau yam twj paj nruag.
V. Lumispot 525nm Green Fiber Lasers: Cov Khoom Siv Dais Teeb Meem Tsim Los Rau Kev Ua Kom Muaj Teeb Meem Fluorescence
Lumispot tau tsim cov lasers ntsuab 525nm fiber-coupled uas tsim los rau cov kev siv precision suav nrog kev txhawb nqa fluorescence.
Cov Khoom Tseem Ceeb Zoo
- · Lub teeb ci zoo heev: Lumispot lasers ntsuab xa cov teeb ci zoo heev thiab kev ua haujlwm tsis kub, ua kom muaj kev faib tawm ntawm lub teeb ci ntawm cov qauv thiab txhim kho kev sib xws ntawm cov teeb liab fluorescence.
- · Kev tsim qauv me me: Lub taub hau laser thiab chav tswj tau muab tso ua ke rau hauv ib qho kev sib dhos me me kom yooj yim koom ua ke rau hauv ntau yam khoom siv nrhiav fluorescence.
- · Kev hloov pauv tau dav rau ib puag ncig: Nws txhawb nqa kev ua haujlwm ruaj khov hauv 15 ℃ txog 35 ℃, tsim nyog rau cov chaw kuaj mob thiab chaw kuaj mob.
- · Lub neej ua haujlwm ntev: Siv cov qauv semiconductor laser, nws muaj lub neej ua haujlwm ntev dua li cov teeb pom kev zoo ib txwm muaj.
- · Kev txhawb nqa thiab kev cais cov cell fluorescence hauv cov cytometry ntws
- · Lub teeb ci ntsa iab rau cov tshuab microscopes confocal
- · Kev ua kom pom kev zoo hauv kev phais mob fluorescence endoscopic
- · Kev tshuaj xyuas spectral thiab kev tshawb pom photoelectric
- · Kev txhawb nqa neuronal hauv optogenetics
Cov Xwm Txheej Ib Txwm Muaj Rau Daim Ntawv Thov
Raws li kev siv biomedical imaging, flow cytometry thiab precision spectral analysis txuas ntxiv ua rau muaj qhov yuav tsum tau ua kom pom tseeb thiab zoo ntawm cov ntaub ntawv, cov teeb pom kev zoo fluorescence tau hloov pauv sai sai los ntawm cov teeb mercury ib txwm mus rau semiconductor lasers. Nrog rau kev sib phim spectral meej, kev ua kom tsis muaj cua sov thiab kev xa khoom fiber ntau, 525nm ntsuab fiber lasers ua lub luag haujlwm tseem ceeb hauv kev hloov pauv no. Nyob rau hauv nws cov 525nm ntsuab fiber laser series, Lumispot muab cov kev daws teeb meem teeb pom kev zoo tiav rau kev ua kom muaj fluorescence, npog kev kuaj pom qhov tseeb qis-zog mus rau kev sib koom ua ke ntawm lub zog siab.
Lub sijhawm tshaj tawm: Lub Kaum Hli-16-2026
