BK7laser mirror-532nm.D50.8mm
Material: BK7
DIA: 50.8
Thickness:9.5
Clear Aperture ¡Ý85% of central diameter
Coated Surface Figure ¦Ë/10 @ 633 nm on select substrates
Coating Technology Electron beam multilayer dielectric
Incidence angle:45 degree
cw 10 MW/cm2 @ 532 nm
Pulsed 20 J/cm2, 20 nsec, 20 Hz @ 532 nm
Concentricity ¡À0.05 mm
Diameter Tolerance +0/-0.25 mm
Radius Tolerance ¡À0.5%
S1 Surface Figure ¦Ë/10 @ 633 nm before coating
S1 Surface Quality 10-5 scratch and dig
S2 Surface Quality Commercial polish
Substrate Material BK7 glass
Thickness Tolerance ¡À0.25 mm
Wedge ¡Ü5 arc min
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