Specifications
Shape
Cube
Material
SF 2, NSSK grade
Coating Type
Broadband polarizing
Antireflection Coating
Multilayer broadband dielectric
Angle of Incidence
0°±5°
Orientation
To avoid damage, beam should enter prism marked with a dot
Reflection
Rs >99.5% average
Reflected Beam Deviation
90° ±5 arc min
Transmission
Tp >80%, >90% average
Transmitted Beam Deviation
≤5 arc min
Extinction Ratio
Tp/Ts >500:1, 1000:1 average
Wavefront Distortion
≤λ/4 at 632.8 nm over the clear aperture
Surface Quality
20-10 scratch-dig
Surface Flatness
≤λ/4 at 632.8 nm
Damage Threshold
2000 W/cm2 CW, 1 J/cm2 with a 10 nsec pulse, typical
Clear Aperture
>80% of central dimension
Size Tolerance
±0.254 mm
Operating Temperature Range
-50 to 90°C
Durability
MIL-C-675C, moderate abrasion million cycles
Cleaning
Shape
Cube
Material
SF 2, NSSK grade
Coating Type
Broadband polarizing
Antireflection Coating
Multilayer broadband dielectric
Angle of Incidence
0°±5°
Orientation
To avoid damage, beam should enter prism marked with a dot
Reflection
Rs >99.5% average
Reflected Beam Deviation
90° ±5 arc min
Transmission
Tp >80%, >90% average
Transmitted Beam Deviation
≤5 arc min
Extinction Ratio
Tp/Ts >500:1, 1000:1 average
Wavefront Distortion
≤λ/4 at 632.8 nm over the clear aperture
Surface Quality
20-10 scratch-dig
Surface Flatness
≤λ/4 at 632.8 nm
Damage Threshold
2000 W/cm2 CW, 1 J/cm2 with a 10 nsec pulse, typical
Clear Aperture
>80% of central dimension
Size Tolerance
±0.254 mm
Operating Temperature Range
-50 to 90°C
Durability
MIL-C-675C, moderate abrasion million cycles
Cleaning
