Plano-concave lens

-Plano concave Lens

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

Diameter: 0.7~600mm

Thickness :1~80mm

Flatness :PV<1/20L;RMS<1/80L

Surface Quality :10-5 or better

Roughness: Rq<0.8nm

Center: ETV<0.012mm

Clear Aperture: 85%~100%

Chamfer: Less than 0.1mm

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

-Key Metrology Solution:

1) Zygo Interferometer 6inch- Flatness

2) Zygo NewView 9000- RMS

3) Vernier Caliper Mitutoyo- Length;Diameter

4) Microscope OLYMPUS- Surface Defect Rate/Inner quality (bubbles, inclusions)

5) MOELLER-WEDEL-Angle accuracy

6) AGILENT Carry 7000 Spectrometer-Transmittance/Reflectance

7) TAYLOR HUBSON-Profilemeter