9010751

Aperture dimensions, mm: 60x110mm
Clear Aperture: 90%
Material: BK7
Protective chamfers: <0.25mm @ 45deg.
S1: polished 20-10 S-D;
S2: grounded;
Substrate thickness: 15mm +/-0.1mm
S1 Flatness, PV IR S2 Flatness, PV: L/8 @ 633nm over 90% aperture