规格:Infrared long Wave Pass Filter, Infrared Bandpass Filter, Infrared Narrowband Filter

材质: Single Crystal Silicon, Single Crystal Ge, etc. 

尺寸公差:±0.1mm

厚度公差:±0.1mm

面形: λ/10~λ/2

通光孔径:>95%

光洁度:10/5~60/40