Ingingo ya 2: Fibre optique ya fibre optique ni iki, kandi nigute ushobora guhitamo ibice bikwiye?
Fibre optique ya sprometrike yerekana ibyiciro byiganjemo ibyerekanwa.Iki cyiciro cya spekrometero ituma ihererekanyabubasha ryibimenyetso binyuze muri fibre optique, bakunze kwita fibre optique, byorohereza guhinduka no korohereza muburyo bwo gusesengura ibintu no kuboneza sisitemu.Bitandukanye na laboratoire nini isanzwe ya laboratoire ifite uburebure bwibanze busanzwe buri hagati ya 300mm na 600mm no gukoresha ibyuma bisikana, fibre optique ya fibre optique ikoresha ibishimisha byagenwe, bikuraho moteri izunguruka.Uburebure bwibanze bwibi bikoresho byerekana ubusanzwe buri hagati ya 200mm, cyangwa birashobora no kuba bigufi, kugeza 30mm cyangwa 50mm.Ibi bikoresho biroroshye cyane mubunini kandi bikunze kwitwa miniature fibre optique ya ecran.
Miniature Fibre Spectrometer
Miniature fibre optique ya sprometrike irazwi cyane munganda bitewe nubushobozi bwayo, gukora neza, ubushobozi bwo gutahura byihuse, kandi byoroshye guhinduka.Miniature fibre optique yerekanwe mubisanzwe igizwe n'indorerwamo, indorerwamo ifatanye, gusya, icyuma cya CCD / CMOS, hamwe na sisitemu yo gutwara ibinyabiziga.Ihujwe na software yakira mudasobwa (PC) ikoresheje umugozi wa USB cyangwa umugozi wuruhererekane kugirango urangize ikusanyamakuru.
Imiterere ya fibre optique
Fibre optique ya sprometrike ifite ibikoresho bya fibre interineti, itanga ihuza ryiza rya fibre optique.Imigaragarire ya SMA-905 ikoreshwa mubice byinshi bya fibre optique nyamara porogaramu zimwe zisaba FC / PC cyangwa fibre idasanzwe, nka 10mm ya diametre ya silindrike ya fibre ya fibre.
Imigaragarire ya SMA905 (umukara), FC / PC ya fibre (umuhondo).Hano hari umwanya kuri interineti ya FC / PC kugirango uhagarare.
Ibimenyetso bya optique, nyuma yo kunyura muri fibre optique, bizabanza kunyura mubice byiza.Miniature spectrometero mubisanzwe ikoresha ibice bidashobora guhinduka, aho ubugari bwibice bugororotse.Mugihe, JINSP fibre optique ya sprometrike itanga ubugari busanzwe bwa 10 mm, 25μm, 50μm, 100μm, na 200μm muburyo butandukanye, kandi na progaramu nayo iraboneka ukurikije ibyo abakoresha bakeneye.
Guhindura ubugari bwibice bishobora kugira ingaruka kumucyo no gukemura neza muri rusange, ibi bipimo byombi byerekana umubano wubucuruzi.Gabanya ubugari bwibice, hejuru ya optique ikemurwa, nubwo bitagabanije kugabanuka kwurumuri.Ni ngombwa kumenya ko kwagura ibice kugirango wongere urumuri rwinshi bifite aho bigarukira cyangwa bidafite umurongo.Mu buryo nk'ubwo, kugabanya ibice bifite aho bigarukira ku kugerwaho kugerwaho.Abakoresha bagomba gusuzuma no guhitamo ibice bikwiranye nibisabwa byabo, nko guha umwanya wambere urumuri rworoshye cyangwa gukemura neza.Ni muri urwo rwego, inyandiko ya tekiniki yatanzwe kuri JINSP fibre optique ya sprometrike ikubiyemo imbonerahamwe yuzuye ihuza ubugari bwibice hamwe ninzego zijyanye n’ibisubizo, ikora nk'ingirakamaro kubakoresha.
Ikinyuranyo gito
Imbonerahamwe yo Kugereranya
Abakoresha, mugihe bashiraho sisitemu ya ecran, bakeneye guhitamo fibre optique yo kwakira no kohereza ibimenyetso kumwanya wa sprometero.Ibintu bitatu byingenzi bisabwa gusuzumwa muguhitamo fibre optique.Ikintu cya mbere ni diameter yibanze, iraboneka murwego rushoboka harimo 5 mm, 50μm, 105μm, 200μm, 400μm, 600μm, ndetse na diametero nini zirenga 1mm.Ni ngombwa kumenya ko kongera diameter yibanze bishobora kongera ingufu zakiriwe kumpera yimbere ya fibre optique.Nyamara, ubugari bwibice hamwe nuburebure bwa deteri ya CCD / CMOS bigabanya ibimenyetso bya optique bishobora kwakirwa.Noneho, kongera diameter yibanze ntabwo byanze bikunze bitezimbere.Abakoresha bagomba guhitamo diameter yibanze ikurikije iboneza rya sisitemu.Kuri spekrometrike ya B&W Tek ukoresheje umurongo wa CMOS ugaragara muri moderi nka SR50C na SR75C, hamwe na 50 mm ya sisitemu, birasabwa gukoresha fibre optique ya 200 mm ya optique kugirango yakire ibimenyetso.Kuri spekrometrike ifite imbere yimbere ya CCD mubyitegererezo nka SR100B na SR100Z, birashobora kuba byiza gutekereza fibre optique yuzuye, nka 400μm cyangwa 600μm, kugirango yakire ibimenyetso.
Ibipimo bitandukanye bya fibre optique
Ikimenyetso cya fibre optique ihujwe nu murongo
Igice cya kabiri ni urwego rwimikorere yumurongo hamwe nibikoresho bya fibre optique.Ibikoresho bya fibre optique mubisanzwe birimo High-OH (hydroxyl yo hejuru), Low-OH (hydroxyl nkeya), hamwe na fibre irwanya UV.Ibikoresho bitandukanye bifite imiterere itandukanye yo kohereza.Fibre yo hejuru-OH ikoreshwa muburyo busanzwe bwa ultraviolet / urumuri rugaragara (UV / VIS), mugihe fibre yo hasi ya OH ikoreshwa murwego rwo hafi ya infragre (NIR).Kurwego rwa ultraviolet, fibre idasanzwe irwanya UV.Abakoresha bagomba guhitamo fibre optique ikurikije uburebure bwabo.
Umuce wa gatatu ni numero aperture (NA) agaciro ka fibre optique.Bitewe n'amahame yo gusohora fibre optique, urumuri rusohoka ruva mumpera ya fibre rugarukira murwego runaka rutandukanijwe, rurangwa nagaciro ka NA.Ubwoko bwa optique ya fibre optique muri rusange ifite NA agaciro ka 0.1, 0.22, 0.39, na 0.5 nkibisanzwe.Dufashe urugero 0.22 NA nkurugero, bivuze ko diameter yibibanza bya fibre nyuma ya mm 50 igera kuri mm 22, na nyuma ya 100 mm, diameter ni mm 44.Mugihe cyo gukora spekrometero, abayikora mubisanzwe batekereza guhuza fibre optique ya NA ya optique hafi kugirango bashobore kwakira ingufu nyinshi.Byongeye kandi, NA agaciro ka fibre optique ijyanye no guhuza lens kumpera yimbere ya fibre.Agaciro NA ka lens kagomba kandi guhuzwa cyane bishoboka nagaciro ka NA fibre kugirango wirinde gutakaza ibimenyetso.
Agaciro ka fibre optique igena impande zinyuranye zumurongo wa optique
Iyo fibre optique ikoreshwa ifatanije ninzira cyangwa indorerwamo zifatika, agaciro ka NA kagomba guhuzwa cyane bishoboka kugirango birinde gutakaza ingufu
Fibre optique ya sprometrike yakira urumuri kumpande zagenwe nagaciro ka NA (Numerical Aperture).Ikimenyetso cyibyabaye bizakoreshwa byuzuye niba NA yumucyo wibyabaye ari munsi cyangwa bingana na NA ya ecran.Gutakaza ingufu bibaho mugihe NA yumucyo wibyabaye iruta NA ya spekrometero.Usibye kwanduza fibre optique, guhuza-umwanya-optique guhuza bishobora gukoreshwa mugukusanya ibimenyetso byurumuri.Ibi bikubiyemo guhuza urumuri ruringaniye mugice ukoresheje lens.Iyo ukoresheje inzira-yubusa ya optique yinzira, ni ngombwa guhitamo lens ikwiye hamwe nagaciro ka NA gahuye nki ya spekrometrike, mugihe nanone ukemeza ko agace ka spekrometero gashyizwe kumurongo wibanze kugirango ugere kumurongo mwinshi.
Umwanya wubusa optique guhuza
Igihe cyo kohereza: Ukuboza-13-2023