For Aspherical Lens:

Material: ZnSe,ZnS,Si,Ge,CaF2,Optical Grade Glass,Fused Silica,

Diameter: 2~550mm

Thickness :1~80mm

Flatness :PV<1/4L;RMS<1/20L

Surface Quality :20-10 or better

Roughness: Rq<1nm

Center: ETV<0.012mm                  

Clear Aperture: 85%~100%

Chamfer: Less than 0.1mm

Coating: R<0.1% or better, AOI:0-55deg

For Window:

Material: SCHOTT;OHARA;HOYA;CORNING;CDGM;HERAEUS;NIKON

Dimensions: LxW 650x650mm(MAX)

Thickness: 0.2~100mm

Flatness : PV<1/20L;RMS<1/100L

Surface quality: 10-5 or 0-0

Roughness: Rq<0.3nm

Parallelism: <1arcsec

Clear aperture: 85%~100%

Chamfer: Less than 0.1mm

Coating: R<0.1% or better

For Laser Application:

Material:SI,GE,Fused Silica,CaF2,Sapphire,ZnS,ZnSe,MgF2,Silicon

Dimensions(Round, square, oval):3~300mm;

Thickness:0.2~75mm;

Flatness:PV<1/10L,RMS<1/40L;

Surface quality:20-10 or better

Roughness:Rq<0.3nm

Parallelism:<1arcsec

Clear aperture: 85%~100%

Chamfer:Less than 0.1mm

Coating:LIDT>100J@1064nm or >12000W@1064nm