Izinhlobo Ezihlukahlukene Zokuhlunga kanye Nezicaciso Ezibalulekile
Eqinisweni, izihlungi ezibonakalayo zingahlukaniswa zibe izinhlobo eziningana, futhi lezi zinhlobo ezahlukene zokuhlunga optical zethulwa ngezansi.
1. Isihlungi sokumuncwa: Isihlungi sokumunca senziwa ngokuxuba odayi abakhethekile benze inhlaka noma izinto zengilazi.Ngokwekhono lokumunca ukukhanya kwamaza ahlukene, ingadlala indima yokuhlunga.Izihlungi zengilazi ezinemibala yizona ezisetshenziswa kakhulu emakethe.Izinzuzo zayo izinzile, iyunifomu, ikhwalithi enhle ye-boam, nezindleko eziphansi zokukhiqiza, kodwa inobubi be-passband enkulu, engavamile ukuba ibe ngaphansi kuka-30nm.
2. Isihlungi sokugxambukela: Isihlungi sokugxambukela samukela indlela yokuvala i-vacuum, futhi ungqimba lwefilimu yokubona enogqinsi oluthile lumbozwa phezu kwengilazi.Ngokuvamile ucezu lwengilazi lwenziwa ngamafilimu anezendlalelo eziningi, futhi isimiso sokuphazanyiswa sisetshenziswa ukuze kuzuzwe Ivumela amaza okukhanya ebangeni elithile le-spectral ukuthi lidlule.Kunezinhlobo eziningi zezihlungi zokuphazanyiswa, futhi izinkambu zabo zohlelo lokusebenza nazo zihlukile.Phakathi kwazo, izihlungi zokuphazanyiswa ezisetshenziswa kakhulu izihlungi ze-bandpass, izihlungi ezisikiwe, nezihlungi ze-dichroic.
(1) Izihlungi ze-Bandpass zingadlulisela kuphela ukukhanya kobude obuthile begagasi noma ibhande elincane, futhi ukukhanya okungaphandle kwebhande lokudlula akukwazi ukudlula.Izinkomba eziyinhloko zokubonwa kwezihlungi ze-bandpass yilezi: i-central wavelength (CWL), i-half bandwidth (FWHM), kanye ne-transmittance (T%).Ngokusho kobukhulu bomkhawulokudonsa, ingahlukaniswa izihlungi ze-band-band ezinomkhawulokudonsa ongaphansi kuka-30nm;izihlungi ze-broadband ezinomkhawulokudonsa ongaphezu kuka-60nm.
(2) Isihlungi esisikiwe (Isihlungi esisikiwe) singahlukanisa i-spectrum ibe izifunda ezimbili.Ukukhanya endaweni eyodwa akukwazi ukudlula kulesi sifunda, esibizwa ngokuthi isifunda esinqunyiwe, kuyilapho ukukhanya kwesinye isifunda kungadlula kuso ngokugcwele, okubizwa ngokuthi isifunda sokudlula.Izihlungi ezisikiwe ezijwayelekile izihlungi zephasi ende nezihlungi ze-short-pass.Isihlungi se-wave-wave pass: sibhekisela ebangeni elithile le-wavelength, isiqondiso segagasi elide siyadluliselwa, futhi i-short-wave direction iyanqanyulwa, edlala indima yokuhlukanisa i-short-wave.Isihlungi se-Short-wave pass: Isihlungi se-Short-wave pass sibhekisela ebangeni elithile le-wavelength, isiqondiso segagasi elifushane siyadluliselwa, futhi isiqondiso segagasi elide siyanqanyulwa, esidlala indima yokuhlukanisa igagasi elide.
(3) Isihlungi se-Dichroic (Isihlungi se-Dichroic) singakhetha ububanzi obuncane bemibala efuna ukudlulisa ukukhanya ngokuya ngezidingo, futhi sibonise eminye imibala.Kukhona ezinye izinhlobo zezihlungi: Izihlungi Ze-Neutral Density (Izihlungi Ze-Neutral Density), ezaziwa nangokuthi amafilimu e-attenuation, zisetshenziselwa ukuvimbela imithombo yokukhanya eqinile ukuthi ingalimazi inzwa yekhamera noma izakhi zekhamera, futhi zingamunca noma zibonise ukukhanya okungakamuncwa. .Ingxenye yokukhanya okudlulisiwe enciphisa ngokufanayo ukudlulisa engxenyeni ethile ye-spectrum.
Umsebenzi oyinhloko wezihlungi ze-Fluorescence ukuhlukanisa nokukhetha i-spectra yebhendi eyisici yokukhanya okuvusa amadlingozi kanye ne-fluorescence ekhishwayo yezinto ohlelweni lokuhlola nokuhlaziya lwe-biomedical fluorescence.Kuyingxenye ebalulekile esetshenziswa kumathuluzi e-biomedical kanye nesayensi yempilo.
Izihlungi Zezinkanyezi ziwuhlobo lwesihlungi esisetshenziselwa ukunciphisa umthelela wokungcoliswa kokukhanya kukhwalithi yesithombe phakathi nenqubo yokuthatha izithombe zezinkanyezi.
Izihlungi zokuminyana ezimaphakathi ngokuvamile zihlukaniswa zibe ezimuncayo nezibonisayo.Isihlungi esicwebezelayo sokuminyana esingathathi hlangothi samukela isimiso sokugxambukela kwefilimu elincanyana ukuze sidlulise ingxenye yokukhanya futhi sibonise enye ingxenye yokukhanya (ngokuvamile asisasebenzisi lokhu kukhanya okuveziwe), lokhu kukhanya okuveziwe kulula ukwenza ukukhanya okulahlekile futhi kunciphise ukunemba kokuhlola. , ngakho-ke Sicela usebenzise isiqoqi sokukhanya sochungechunge lwe-ABC ukuze uqoqe ukukhanya okubonisiwe.Izihlungi ze-Absorptive neutral density zivame ukubhekisela kokokusebenza ngokwako noma ngemva kokuba ezinye izakhi zixutshwe kokokusebenza, ezimunca ubude obuthile bokukhanya wamaza okukhanya, kodwa ezingenamthelela omncane noma kwamanye amaza okukhanya.Ngokuvamile, umkhawulo womonakalo wokumunca izihlungi ze-neutral density uphansi, futhi ngemva kokusetshenziswa isikhathi eside, kungase kube nokukhiqizwa kokushisa, ngakho-ke kufanele kuqashelwe uma uzisebenzisa.
Ukucaciswa Okubalulekile Kwezihlungi Zokubona
I-passband: Ibanga lamaza amaza ukukhanya okungadlula kuwo libizwa ngokuthi i-passband.
Umkhawulokudonsa (FWHM): Umkhawulokudonsa uwububanzi be-wavelength obusetshenziselwa ukumela ingxenye ethile ye-spectrum edlula kusihlungi ngamandla esigameko, esivezwa ububanzi obuyingxenye yokudlulisela okukhulu, okwaziwa nangokuthi ububanzi obuyingxenye, nge-nm.Isibonelo: ukudluliswa okuphezulu kwesihlungi kungama-80%, bese kuthi i-1/2 ibe ngu-40%, kanti ubude begagasi besokunxele nesokudla obuhambisana no-40% bungu-700nm no-750nm, kanti umkhawulokudonsa oyingxenye ngu-50nm.Lezo ezinobubanzi obuyingxenye engaphansi kuka-20nm zibizwa ngokuthi izihlungi ze-narrow-band, futhi lezo ezinobubanzi obuyingxenye enkulu kuno-20nm zibizwa ngokuthi izihlungi ze-band-pass noma izihlungi ze-wide-band pass.
I-Center wavelength (CWL): Ibhekisela kubude begagasi bokudlulisa obuphakeme bebhande lokudlula noma isihlungi sebhande elincane, noma ubude beza obubonisa ukuphakama kwesihlungi se-bandtop, indawo emaphakathi ephakathi kwe-1/2 ye-wavelength yokudlulisela okuphezulu, okungukuthi, umkhawulokudonsa Iphoyinti eliphakathi nendawo ibizwa ngokuthi i-central wavelength.
I-Transmittance (T): Ibhekisela ekhonweni elidlulayo lebhande eliqondiwe, elivezwe ngamaphesenti, isibonelo: ukudlulisa okuphezulu kwesihlungi (Tp) > 80%, kubhekisela ekukhanyeni okungadlula kusihlungi ngemva kokuncipha.Uma inani eliphakeme lingaphezu kuka-80%, uma ukudlulisa okukhulu, kuba ngcono ikhono lokudlulisa ukukhanya.Ibanga elisikiwe: Lisetshenziselwa ukumela isikhawu sobude beza bendawo ye-spectral yamandla elahlekelwe isihlungi, okungukuthi, ububanzi be-wavelength ngaphandle kwebhendi yokudlula.Izinga lokunqamula (Ibhulokhi): Ukudlulisa okuhambisana nobude begagasi kububanzi obunqunyiwe, okwaziwa nangokuthi Ukujula kokusika kusetshenziselwa ukuchaza idigri yokusika yesihlungi.Akunakwenzeka ukuthi ukudluliswa kokukhanya kufinyelele ku-0. Kuphela ngokwenza ukudluliswa kwesihlungi kusondele ku-zero lapho i-spectrum engadingeki inganqunywa kangcono.Izinga lokunqanyulwa lingalinganiswa ngokudluliswa kwemali, futhi lingaphinda livezwe nge-optical density (OD).Ubudlelwano bokuguqulwa phakathi kwayo nokudluliswa (T) bumi kanje: OD=log10(1/T) Ububanzi bebhendi yoshintsho: ngokwesihlungi Ukujula okunqunyiwe kuhlukile, futhi ububanzi obukhulu be-spectral obuvunyelwe phakathi kwesihlungi esisikiwe- ukusuka ekujuleni kanye nendawo engu-1/2 yesiqongo sokudlulisa.Umphetho womphetho: ie [(λT80-λT10)/λT10] *
I-High Reflectance (HR): Iningi lokukhanya elidlula esihlungi liyaboniswa.
I-High Transmittance (HT): Ukudlulisela kuphezulu, futhi ukulahleka kwamandla okukhanya okudlula esihlungini kuncane kakhulu.I-engeli yesigameko: I-engeli ephakathi kokukhanya kwesigameko nokuvamile kwendawo yokuhlunga ibizwa ngokuthi i-engeli yesigameko.Uma ukukhanya kwenzeka kuqondile, i-engeli yesigameko ingu-0°.
Imbobo esebenzayo: Indawo ebonakalayo engasetshenziswa ngempumelelo emishinini yokubona ibizwa ngokuthi imbobo ephumelelayo, ngokuvamile efana nosayizi wokubukeka wesihlungi, ukugxilile, kanye nosayizi omncane kancane.Ubude begagasi lokuqala: Ubude begagasi bokuqala bubhekisela kubude begagasi obuhambisana nalapho ukudluliswa kukhuphuka kufika ku-1/2 yokuphakama kwesihlungi se-wave pass, futhi ngezinye izikhathi kungachazwa ngokuthi u-5% noma u-10% wenani eliphakeme ebhendini- Isihlungi se-pass Ubude begagasi obuhambisana nokudlulisa.
Ubude begagasi obunqunyiwe: I-wavelength enqanyuliwe ibhekisela kubude begagasi obuhambisana nalapho ukudluliswa kwesihlungi se-short-wave pass kwehliswa ku-1/2 yenani eliphakeme.Kusihlungi se-band-pass, kwesinye isikhathi singachazwa njengokudluliswa okuphezulu okungu-5% noma u-10%.Ubude begagasi obuhambisana nezinga lokuphasa.
Ukucaciswa Kokuphezulu kanye Nezinhlaka Eziwubukhulu Zekhwalithi Yobuso Bezihlungi
Ikhwalithi yangaphezulu yesihlungi inokukhubazeka okufana nokuklwebheka nemigodi phezulu.Ukucaciswa okuvame ukusetshenziswa kakhulu kwekhwalithi yendawo imihuzuko nemigodi ecaciswe yi-MIL-PRF-13830B.Igama lemigodi Ibalwa ngokuhlukanisa ububanzi bomgodi ngama-microns ngo-10, ngokuvamile ukucaciswa komgodi wokuklwejwa kuzobizwa ngekhwalithi evamile ebangeni lama-80 kuye kwangama-50;ikhwalithi ebangeni lama-60 kuye kwangama-40;futhi ububanzi obungu-20 kuya ku-10 buzobhekwa njengekhwalithi ephezulu yokunemba.
Ikhwalithi yobuso: Ikhwalithi yobuso isilinganiso sokunemba kwendawo.Isetshenziselwa ukukala ukuchezuka kwezindiza ezifana nezibuko, amafasitela, amaprism noma izibuko eziyisicaba.Ukuchezuka kobushelelezi kuvame ukukalwa ngenani le-corrugation (λ), okusho ukuthi Ihlanganiswe nemithombo yokuhlola enamaza amaza amaningi, umugqa owodwa uhambisana no-1/2 we-wavelength, futhi ubushelelezi ngu-1λ, omele izinga lekhwalithi evamile;ubushelelezi ngu-λ/4, omele izinga lekhwalithi;ukushelela kungu-λ/20, kumele izinga eliphezulu lokunemba.
Ukubekezelela: Ukubekezelelana kwesihlungi ikakhulukazi ku-wavelength ephakathi nendawo kanye nomkhawulokudonsa, ngakho-ke ububanzi bokubekezelela komkhiqizo wokuhlunga bubonisiwe.
Ukubekezelelwa kwe-Diameter: Ngokuvamile, ithonya lokubekezelelana kobubanzi bokuhlunga alilikhulu ngesikhathi sokusetshenziswa, kodwa uma idivayisi ye-optical izofakwa kumnikazi, ukubekezelelana kobubanzi kufanele kucatshangelwe.Ngokuvamile, ukubekezelelwa kobubanzi ku-(±0.1 mm) kubizwa ngekhwalithi evamile, (±0.05 mm) kubizwa ngekhwalithi yokunemba, futhi (±0.01 mm) kubizwa ngekhwalithi ephezulu.
Ukubekezelela Ukuqina Okumaphakathi: Ugqinsi olumaphakathi ubukhulu bengxenye emaphakathi yesihlungi.Ngokuvamile, ukubekezelelwa kogqinsi lwesikhungo (±0.2mm) kubizwa ngekhwalithi evamile, (±0.05mm) kubizwa ngekhwalithi yokunemba, futhi (±0.01mm) kubizwa ngekhwalithi ephezulu.
Isikhathi sokuthumela: Mar-10-2023