英语transmittance

Diaphanous rate

透光率 --------------------------------------------------------------------------------[解释]：throughput; [$n.] light transmission; light transmittance; luminousness; transmittance [参考词典]：汉英综合大词典 汉英航海大词典 透镜透光率 lens transmission 漫射透光率 diffuse transmittance 有效透光率 effective transmission

专业准确，请放心。带通滤光片近红外膜系设计短波通中心波长透射率keywords:pass-bandopticalfilter；nearinfrared;filmsystemdesign;shortwavelengthpass；centralwavelength；transmittance翻译正文如下：摘要：随着矿难的频频发生，瓦斯探测器的灵敏度越来越受到人们重视。本文中的红外吸收型甲烷检测仪便具有选择性强，灵敏度高等优点。其中近红外滤光片为该装置的核心部件。本文介绍了利用特征矩阵法进行薄膜设计的制作方法。采用Si和SiO2作为薄膜材料，利用中心波长不同的长波通和短波通滤光片对接，以完成近红外波段的带通滤光片设计。该滤光片中心波长为1651nm，并在该波长附近的透射率可达到95%。Abstract:Withthefrequentlyoccurringofmineaccidentsthesensitivityofgasdetectorsispaidmoreandmoreattentionsbypeople.Theinfraredabsorptiontypemethanedetectorpresentedinthispaperhasthefeaturesofpowerfulselectivity,highsensitivity,etc.Inthedetectortheinfraredfilteristhecorepartofthedevice.ThispaperpresentsafabricationmethodwhichusesEigenMatrixmethodtoconductfilmdesign.Thedesignofthebandpassfilterinnear-infraredbandiscompletedusingSiandSiO2asthefilmmaterials,andthebuttingofshort-andlong-wavelengthpassfilterswhichhavedifferentcentralwavelengths.Thecentralwavelengthofthefilteris1651nm,andtransmittancearoundthiswavelengthisupto95%.