Broadband Dielectric Beam Splitters

Optola offers wide range of  High Quality Broadband Dielectric Beam splitters.


Custom design Beam splitters are available upon request.


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You can specify desired parameters during checkout.

MaterialBK7 or UV fused silica
Dimension Tolerance+0/-0.15mm
Thickness Tolerance±0.4mm
Wavefront Distortionλ/10 @ 632.8nm(over the clear aperture)
Clear Aperture central>80% of diameter
S1 Beamsplitter coatingRs=50%±5%,Rp≤Rs @ 45° incidence
S2 AR coatingMultilayer coating: Ravg<0.75% @ 45° incidence
Chamfer25.4mm:0.25-0.76 mm face width x  45°± 15°

50.8 mm:0.38-1.14 mm face width  x 45° ± 15°

Damage Threshold500W/cm2, 1J/cm2  10 ns pulses 
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