UV Fused Silica Optical Biconcave BCX Fiber Coupling Half-sphere/Collimating Lenses
Specifications:
Items |
Description |
Biconcave Lens |
Material: |
Fused Silica |
Diameter: |
20.8+0.0/-0.1mm |
Center thickness: |
2.0+/-0.1mm |
Focal length: |
-50mm+/-3%@632.8nm |
ROC1: |
22.85mm,CC |
ROC2: |
22.85mm,CC |
Flatness: |
S1&S2:PV<1/8L@632nm |
Surface quality: |
S1&S2:20-10 |
Centerness: |
<3arcmin |
Clear aperture: |
>90% |
Chamfer: |
<0.25mmx45deg |
Coating: |
S1&S2:AR coating,Rabs<0.5%@700-900nm,AOI:0deg |
|
LIDT:>2.5J/cm2,20ns,10Hz@800nm |
Standard: |
MIL-PRF-13830B |