光学
Fused-Silica Aspheres for 1 µm Lasers
Achieve diffraction-limited focused performance while also minimizing total component count in beam delivery systems for direct-diode, fiber, and disk lasers.
Fused-silica aspheres offer an excellent balance between performance and cost in beam delivery systems for visible and near-infrared lasers with powers of over 1 kW.
Fused-Silica Aspheres Capabilities
Specify high-precision polished fused-silica aspheres of up to 200 millimeters in diameter.
Typical Fused-Silica Asphere Specifications |
|
Material Grade |
High Power Grade for direct diode lasers Standard Power Grade for mid-power fiber lasers |
Diameter/Thickness |
±50 μm |
ETV |
≤10 μm |
Asphere Power |
≤2 fringes at 632.8 nm |
Asphere Irregularity |
≤1 fringes at 632.8 nm |
表面粗さ |
≤3 nm RMS |
Surface Quality |
20/10 or better |
有効口径 |
≥90 % |
Focal Length |
≤0.1 % |
Reflectivity |
≤0.2% per surface 1030 nm-1080 nm |
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