Siffar fim ɗin siriri na gani ya haɗa da siffanta halayen gani, sigogin gani da kuma halayen da ba na gani ba, halayen gani galibi suna nufin siffanta hasken gani, watsawa da asarar gani (ɓacewar sha da asarar tunani) na fim ɗin siriri na gani. Transmittance da reflectance sune mafi mahimmancin halayen gani na fina-finan siriri na gani, don haka gwajin watsawa da reflectance na fim ɗin siriri shine dabarar gwaji ta asali don fina-finan siriri na gani. Siffofin gani na fim ɗin siriri na gani sun haɗa da ma'aunin refractive, ma'aunin sha da kauri fim ɗin siriri na gani. Saboda karkacewar stoichiometric a cikin abubuwan da ke cikin fim ɗin siriri na gani wanda aka shirya ta ainihin tsari, tsarin ba shi da kama da juna kuma mai yawa, amma akwai ƙananan tsari da lahani daban-daban, layin fim ɗin dielectric ba ya bayyana gaba ɗaya, kuma akwai rauni na sha, yayin da akwai rashin daidaituwa na sarari da anisotropy na lokaci a cikin ma'aunin refractive na fim ɗin, kuma fim ɗin ba shi da hanyar sadarwa mara iyaka da santsi. Mafi mahimmanci, a cikin ainihin tsarin shiri, sigogin tsarin shirya fim suna da babban tasiri akan sigogin gani na fim ɗin, don haka tabbatar da ainihin lokacin sigogin gani na fim ɗin yana da matuƙar mahimmanci. Bugu da ƙari, fim ɗin siririn gani a matsayin na'urar da ake amfani da ita a cikin ainihin yanayin, ban da halayen gani na na'urar don biyan buƙatun, fim ɗin da ke akwai wasu muhimman halaye marasa gani suna shafar amfani da fim ɗin, kamar manne fim, damuwa na fim, taurin fim da ƙaiƙayin saman da ikon fim ɗin na jure muhalli da sauransu. Saboda haka, yana da mahimmanci a auna daidai duk sigogi ko halaye daban-daban da ke shafar amfani da na'urorin fim masu siriri.
Ana gwada watsawa da kuma nuna siraran fina-finai ta amfani da na'urorin nazarin gwajin siraran. Ana iya raba na'urorin nazarin siraran fina-finai zuwa na'urorin nazarin siraran UV-Vis, na'urorin nazarin siraran fina-finai na infrared da na'urorin nazarin siraran fina-finai na Fourier bisa ga nau'ikan gwaje-gwaje daban-daban. Na farko guda biyu suna amfani da ka'idar nazarin siraran fina-finai da tsarin gwaji, na biyun ya dogara ne akan ka'idar tsarin nazarin siraran fina-finai daban-daban. Saboda tsarin siffofi daban-daban na na'urorin nazarin siraran fina-finai, kodayake duk ma'aunin watsawa da nuna haske, amma don siffofi daban-daban, daidaito daban-daban ko buƙatun polarization daban-daban, na iya buƙatar hanyoyi da dabaru daban-daban na gwaji.
– An fitar da wannan labarin ne dagainjin shafa injin injinGuangdong Zhenhua
Lokacin Saƙo: Nuwamba-03-2023