Specifications
optical mirror
1.Material:K9 BK7 JGS1 b270 etc
2.Dia.:58mm or customer design
3.S/D:40/20 or better
Optical Mirror Coating
Item:PLCX,PLCC,BICX,BIXX,CXCC,DOUBLET
Material:K9 BK7  JGS1 b270 etc  
Design Wavelength:Customer design
Dimension Tolerance:+0/-0.05mm
Thickness Tolerance:+/-0.1mm
Surface Quality:40-20 or better
Surface Figure:    Sph surface:Lambda/4 or better  @632.8nm
Center Error:ETV better than 0.01mm
Clear Aperture:    90% of diameter
Bevel:Protective bevel
Coating:customer design