IR Cut filter (Absorption type)              

It's fabricated by special blue glass (BG39 from Schott or equivalent).     

The glass will absorb IR wavelength and let visible light pass. It widely used for digital camara.               

Specifications:        

Material: blue glass (BG39 or equivalent)         

Dimension: 2mm ~ 200mm    

Square or round shape     

Flatness: λ/4     

Surface Quality: 60-40 S/D   

Parallelism: 3'      

Volume production capability             

Short delivery time         

AR/AR Coating Ravg<0.5%@visible wavelength is available.