Cube

Grade A N-BK7

Broadband metal-dielectric non-polarizing

Multilayer broadband dielectric

0°±5°

To avoid damage, beam should enter prism marked with a dot

R_{s, p} = 45 ±5% average, 35%≤ R_{s, p} ≤55%

90° ±5 arc min

T_{s, p} = 45 ±5% average, 35%≤ T_{s, p} ≤55%

≤5 arc min

S- and P-polarization components matched to within 10%,|T_s - T_p| ≤10%, |R_s - R_p| ≤10%

≤λ/4 at 632.8 nm over the clear aperture

40-20 scratch-dig

≤λ/4 at 632.8 nm

100 W/cm² CW, 0.1 J/cm² with 10 nsec pulses, typical

>80% of central dimension

±0.254 mm

-50 to 90°C

MIL-C-675C

See How to Clean Optics