Off-Axis Parabolic Mirror
Off-axis parabolic mirrors use part of a paraboloid with a focus outside the optical axis. Light parallel to the parent axis converges at the focus. Coatings optimize visible, NIR and IR performance. Surface roughness options of 50A and 100A reduce scatter. Applications include reflective optical systems, laser focusing and terahertz systems.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Material | H-K9, Quartz, Borofloat33 |
| Dimensional Tolerance | -0.1mm |
| Thickness Tolerance | -0.1mm |
| Surface Finish | 40/20~60/40 |
| Surface Figure | λ/10~λ/2 |
| Clear Aperture | >90% |
| Edge Bevel | <0.5mm x 45° |
| Coating | (Plane, Concave, Inclined Surfaces) Dielectric High-Reflection Coating, R>99%; Aluminum Coating, R>90% |
| Damage Threshold [20ns，20Hz，1064nm] | >15J/cm，20ns，20Hz，1064nm |
Datasheet
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Supplier Information
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