640nm Wavelength - Narrowband Optical Contacted Polarizing Beamsplitter Cube, 25.4mm

Material: Fused Silica
Transmission (p-polarized): >97%
Reflection (s-polarized): >99.9%
Transmitted Wavefront: λ/4 at 633nm
Surface Quality: 20-10
Extinction Ratio: 1000:1
Dimensions: +0.0/-0.1mm
Clear Aperture: >80% of cube dim.
Laser Damage Threshold
         Pulsed (10 ns): >15J/cm²@1064nm
                                      >2J/cm²@355nm