Off-Axis Parabolic (OAP) Mirror
Off-axis parabolic mirror (OAP) is a special type of optical mirror that can focus or collimate light beams without spherical aberration, just like a regular parabolic mirror. Its unique "off-axis" structure cleverly moves the focal point outside the incident light path, thus avoiding the central obstruction problem common in traditional designs.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Substrate Material | Optical glass: fused silica (JGS2) etc. |
| Effective Focal Length (EFL) | 15.0 mm ~ 150 mm |
| Off-axis Angle | 30°, 45°, 90° etc. |
| Surface Accuracy [@633 nm] | λ/4, λ/8, λ/10 (@633 nm) |
| Clear Aperture [of physical diameter] | >90% of physical diameter |
| Coating Options | Aluminum Coating (450nm-20μm);Silver Coating (450nm-20μm); Gold Coating (800nm-20μm); UV-Enhanced Aluminum Coating (250-450nm). |
Key Features
Datasheet
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