A multilayer bandpass infrared thinfilm optical filter has been designed and manufactured which use lead telluride and zinc sulfide as thin film materials.
采用碲化铅和硫化锌作为镀膜材料，研制了空间红外光学系统使用的红外多层带通滤光片。
2
Thesis also discusses the temperature stability of DWDM thinfilm narrow band-passfilter.
论文还讨论了波分复用滤光片的温度稳定性问题。
3
In the paper, we also discuss the temperature stability of DWDM thinfilm narrow band-passfilter.