Material
|
UV Grade Fused Silica
|
S1 Surface Flatness
|
λ/10 at 633 nm
|
S1 Surface Quality
|
20-10 scratch & dig (MIL-PRF-13830B)
|
S2 Surface Flatness | λ/10 at 633 nm |
S2 Surface Quality
|
20-10 scratch & dig (MIL-PRF-13830B)
|
Diameter Tolerance
|
+0.00 mm-0.12 mm
|
Thickness Tolerance
|
±0.25
|
Parallelism | 30 arcsec |
Chamfer
|
0.3 mm at 45° typical
|
Technology | Electron beam multilayer dielectric |
Adhesion and Durability | Per MIL-C-675A. Insoluble in lab solvents |
Clear Aperture | Exceeds central 85% of diameter |
Angle of Incidence
|
45±3°
|
Back Side Antireflection Coated
|
R<0.5%
|
Laser Damage Threshold
|
>50 mJ/cm2, 50 fsec pulse, 800 nm typical
|
EKSMA Optics Femtoline Broadband Laser Beamsplitters
116.14 kB |
The beamsplitter splits average polarized laser beam into two beams separated by 90° from each other.
The standard substrate thickness is 3 mm. If you need thinner substrate, please choose from Precision Thin Round Windows.