BK7Laser Mirror-532nm & 1064nm

Material: BK7
DIA: 12.7+0/-0.1
Thickness:9.5+/-0.2
Clear Aperture: ≥85% of central diameter
Coated Surface Figure: λ/10 @ 633 nm on select substrates
Coating Technology Electron beam multilayer dielectric
Incidence angle:45 degree
cw: 10 MW/cm2 @ 532 nm and 1064nm
Pulsed :20 J/cm2, 20 nsec, 20 Hz @ 532 nm
Concentricity: ±0.05 mm
Diameter Tolerance: +0/-0.25 mm
Radius Tolerance ±0.5%
S1 Surface Figure λ/10 @ 633 nm before coating
S1 Surface Quality 10-5 scratch and dig
S2 Surface Quality Commercial polish
Substrate Material BK7 glass
Thickness Tolerance ±0.25 mm
Wedge ≤5 arc min