Ukusetshenziswa kwezihlungi
Ukusetshenziswa kwezihlungi kuwo wonke amabhendi e-spectral ahlukene embonini yokubona kusebenzisa ngokuyinhloko amandla azo okukhetha ubude beza, okunika amandla ukusebenza okuthile ngokumodela ubude begagasi, ukushuba, nezinye izici zokubona. Okulandelayo kuveza izigaba eziyinhloko kanye nezimo ezihambisanayo zohlelo lokusebenza:
Ukuhlukaniswa ngokusekelwe kuzici ze-spectral:
1. Isihlungi se-long-pass (λ > ubude begagasi obunqunyiwe)
Lolu hlobo lwesihlungi luvumela ubude begagasi ubude kunobude obunqunyiwe begagasi ukuthi budlule kuyilapho kuvimbela amaza amaza amafushane. Ivame ukusetshenziswa ekucabangeni kwe-biomedical kanye nobuhle bezokwelapha. Isibonelo, izibonakhulu ze-fluorescence zisebenzisa izihlungi ze-long-pass ukuze zisuse ukukhanya okuphazamisa amaza amafushane.
2. Isihlungi se-Short-pass (λ < cut-off wavelength)
Lesi sihlungi sidlulisa ubude begagasi obufushane kunobude obunqunyiwe futhi sehlise amaza amade. Ithola izinhlelo zokusebenza ku-Raman spectroscopy kanye nokubhekwa kwezinkanyezi. Isibonelo esisebenzayo isihlungi se- short-pass i-IR650, esisetshenziswa ezinhlelweni zokuqapha ezokuphepha ukuze kuncishwe ukuphazamiseka kwe-infrared phakathi namahora okukhanya kwasemini.
3. Isihlungi se-Narrowband (umkhawulokudonsa <10 nm)
Izihlungi ze-Narrowband zisetshenziselwa ukutholwa okunembile emikhakheni efana ne-LiDAR ne-Raman spectroscopy. Isibonelo, isihlungi se-narrowband se-BP525 sinobude obumaphakathi obungu-525 nm, ububanzi obugcwele kuhhafu wesilinganiso esiphezulu (FWHM) obungu-30 nm kuphela, kanye nokudluliswa okuphezulu okudlula u-90%.
4. Isihlungi se-notch (i-stopband bandwidth < 20 nm)
Izihlungi ze-notch ziklanyelwe ngokuqondile ukucindezela ukuphazamiseka phakathi kobubanzi obuncane be-spectral. Zisetshenziswa kabanzi ekuvikelweni kwe-laser kanye ne-bioluminescence imaging. Isibonelo sihlanganisa ukusetshenziswa kwezihlungi ze-notch ukuvimba ukukhishwa kwe-laser engu-532 nm okungase kube yingozi.
Ukuhlukaniswa ngokusekelwe kuzici zokusebenza:
- Amafilimu e-polarizing
Lezi zingxenye zisetshenziselwa ukuhlukanisa i-crystal anisotropy noma ukunciphisa ukuphazamiseka kokukhanya okuzungezile. Isibonelo, ama-polarizer egridi yocingo lwensimbi angakwazi ukumelana nemisebe ye-laser enamandla amakhulu futhi alungele ukusetshenziswa ezinhlelweni zokushayela ezizimele ze-LiDAR.
- Izibuko ze-Dichroic kanye nezihlukanisi zombala
Izibuko ze-Dichroic zihlukanisa amabhendi athile e-spectral anemiphetho yoshintsho—isibonelo, ebonisa ubude begagasi obungaphansi kuka-450 nm. Ama-Spectrophotometers asabalalisa ngokulinganayo ukukhanya okudlulisiwe nokubonisiwe, umsebenzi ovame ukubonwa kumasistimu wokuthwebula we-multispectral.
Izimo zohlelo lokusebenza eziyinhloko:
- Imishini yezokwelapha: Ukwelashwa nge-laser yamehlo kanye nemishini yesikhumba kudinga ukuqedwa kwamabhande e-spectral ayingozi.
- Inzwa yokubona: Imakroskopu e-Fluorescence zisebenzisa izihlungi zokubona ukuze kutholwe amaprotheni athile e-fluorescent, njenge-GFP, ngaleyo ndlela athuthukise izilinganiso zesignali-kumsindo.
- Ukuqapha ukuphepha: Isihlungi se-IR-CUT sisetha ukuvimba imisebe ye-infrared phakathi nokusebenza kwasemini ukuze kuqinisekiswe ukukhiqizwa kombala okunembile ezithombeni ezithathiwe.
- Ubuchwepheshe be-Laser: Izihlungi ze-Notch zisetshenziselwa ukucindezela ukuphazamiseka kwe-laser, nezinhlelo zokusebenza ezihlanganisa amasistimu okuvikela ezempi namathuluzi okulinganisa ukunemba.
Isikhathi sokuthumela: Jul-09-2025