Ukucaciswa kwefilimu encane ye-optical kufaka phakathi ukucaciswa kwezakhiwo ze-optical, amapharamitha optical kanye nezakhiwo ezingezona ezokukhanya, izakhiwo ze-optical ikakhulukazi zibhekisela kuzakhiwo zokubonakaliswa kwe-spectral, ukudluliselwa kanye nokulahleka kokukhanya (ukulahlekelwa kokumuncwa kanye nokulahlekelwa kokukhanya) zefilimu encane ye-optical. Ukudluliselwa kanye nokubonakaliswa yizakhiwo eziyisisekelo kakhulu zokukhanya zamafilimu amancane e-optical, ngakho-ke ukuhlolwa kokudluliselwa kwefilimu encane kanye nokubonakaliswa kuyindlela eyisisekelo yokuhlola yamafilimu amancane e-optical. Amapharamitha okukhanya efilimu encane ye-optical afaka inkomba yokubuyisa, i-coefficient yokumuncwa kanye nobukhulu befilimu yefilimu encane ye-optical. Ngenxa yokuphambuka kwe-stoichiometric ezingxenyeni zezinto zefilimu encane ye-optical elungiselelwe inqubo yangempela, isakhiwo asisafani futhi sixinene, kodwa kunezakhiwo ezincane kanye namaphutha ahlukahlukene, ungqimba lwefilimu ye-dielectric alusabonakali ngokuphelele, futhi kukhona ukumuncwa okubuthakathaka, kuyilapho kukhona ukungavumelani kwendawo kanye ne-anisotropy yesigaba kunkomba yokubuyisa yefilimu, futhi ifilimu ayisaseyona i-interface engenamkhawulo futhi ebushelelezi. Okubaluleke kakhulu, enkambisweni yokulungiselela kwangempela, amapharamitha enqubo yokulungiselela ifilimu anomthelela omkhulu kakhulu kumapharamitha okukhanya efilimu, ngakho-ke ukuqinisekiswa kwesikhathi sangempela kwamapharamitha okukhanya efilimu kubaluleke kakhulu. Ngaphezu kwalokho, ifilimu encane ebonakalayo njengedivayisi esetshenziswa endaweni yangempela, ngaphezu kwezici zokukhanya zedivayisi kudingeka ihlangabezane nezidingo, ifilimu kunezinye izici eziningi ezibalulekile ezingezona ezibonakalayo ezithinta ukusetshenziswa kwefilimu, njengokunamathela kwefilimu, ukucindezeleka kwefilimu, ubulukhuni befilimu kanye nokuqina kobuso kanye nekhono lefilimu lokumela indawo njalo njalo. Ngakho-ke, kubalulekile ukukala ngokunembile zonke izilinganiso noma izici ezahlukahlukene ezithinta ukusetshenziswa kwamadivayisi efilimu encane.
Ukudluliselwa kanye nokubonakaliswa kwamafilimu amancane kuhlolwa kakhulu kusetshenziswa abahlaziyi bokuhlolwa kwe-spectral. Abahlaziyi be-spectral bokuhlolwa kwefilimu ye-optical bangahlukaniswa ngama-spectrophotometer e-UV-Vis, ama-spectrophotometer e-infrared kanye nama-spectrometer e-infrared Fourier ngokwezinhlobo ezahlukene zokuhlola. Amabili okuqala asebenzisa isimiso se-spectral spectroscopy sokuhlaziya kanye nohlelo lokuhlola, lesi sakamuva sisekelwe esimisweni sohlelo lokuhlaziya i-spectral lokuphazamisa. Ngenxa yezakhiwo ezahlukene zejometri kanye nokwakheka kwamadivayisi e-thin-film, yize zonke izilinganiso zokudlulisa kanye nokubonakaliswa, kodwa ngezimo ezahlukene, ukunemba okuhlukile noma izidingo ezahlukene ze-polarization, zingadinga izindlela ezahlukene zokuhlola kanye namasu.
–Lesi sihloko sikhishwe yi-umenzi womshini wokumboza nge-vacuumI-Guangdong Zhenhua
Isikhathi sokuthunyelwe: Novemba-03-2023