摘要
利用组合套镀法布里-珀罗结构光学薄膜滤光片间隔层的方法,选取锗和一氧化硅分别作为高低折射率膜层材料,在短波红外区域2.0～2.4μm光谱范围内,设计并制备了8通道集成窄带滤光片,单个光谱通道的有效通光区域的宽度为450μm,其间有30μm的挡光过渡带。各通道的峰值光谱透射率大于65%,滤光片的半峰全宽为8～13nm,相对带宽在0.33%～0.65%之间。
Using the method to combine masks and plating the spacer layer of the Fabry-Perot filter, germanium and silicon oxide are selected as the high and low index coating materials, 8-channel integrated filter is designed and fabricated with an effective light-transmitting width of 450 μm separated by a block of 30 μm for each channel in the spectral regions of 2.0-2.4 μm. For each channel, the maximum transmittance is greater than 65 %, the full width at half maximum （FWHM） is 8- 13 nm, as well as, the relative bandwidth is between 0.33 - 0.65 %.
出处
《中国激光》
EI
CAS
CSCD
北大核心
2012年第11期87-91,共5页
Chinese Journal of Lasers
关键词
薄膜
光学薄膜
集成滤光片
间隔层
组合套镀
thin film
optical film
integrated filter
spacer layer
combine masks and plating
