Material
|
UV grade fused silica
|
S1 Surface Flatness
|
λ/10 typical at 633 nm
|
S1 Surface Quality
|
20-10 scratch & dig (MIL-PRF-13830B)
|
S2 Surface Flatness
|
λ/10 typical at 633 nm
|
S2 Surface Quality | 20-10 scratch & dig (MIL-PRF-13830B) |
Diameter Tolerance
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+0.00 mm -0.12 mm
|
Thickness Tolerance
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±0.25 mm
|
Parallelism
|
30 arcsec
|
Chamfer
|
0.3 mm at 45° typical
|
Technology
|
Ion Beam Sputtering (IBS)
|
Laser damage threshold
|
>10 J/cm2, 8 ns pulse, 1064 nm
|
Back side antireflection coated | R<0.1% at AOI=0° R<0.5% at AOI=45° |
EKSMA Optics Harmonic Separators with High Transmission
133.5 kB |