N-BK7 corner-cube prism
A corner-cube prism, also called a reflector, has three mutually perpendicular surfaces and a hypotenuse face and operates by total internal reflection. A beam entering the clear aperture reflects from the three surfaces and exits through the entrance face parallel to its incident path. Within the acceptance angle, this property is independent of reflector orientation. Commonly used in distance measurement, optical signal processing, and lasers.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Available materials [Series materials available, not distinguished by individual size] | N-BK7, UV fused silica or other optical glass |
| Dimensional Tolerance [Standards] | +0/-0.2 |
| Dimensional Tolerance [Processing Upper Limit] | +0/-0.05 |
| Clear Aperture Dimension [Standards] | >80% |
| Clear Aperture Dimension [Processing Upper Limit] | >85% |
| Angular accuracy (180°) [Standard; Reference 180°] | ±30 ’’ |
| Angular accuracy (180°) [Processing upper limit; Reference 180°] | ±1 ’’ |
| Surface Figure [Standards; 632.8nm] | λ/4 |
| Surface Figure [Processing Upper Limit; 632.8nm] | λ/8 |
| Surface Finish [Standards] | 60-40 |
| Surface Finish [Processing Upper Limit] | 10-5 |
| Diameter [Common size row 1; Diameter=Φ4mm; Height=3.0mm] | Φ4 |
| Height [Common size row 1; Diameter=Φ4mm; Height=3.0mm] | 3.0 mm |
| Deviation [Common size row 1; Diameter=Φ4mm; Height=3.0mm; Reference 180°] | 3"-10" |
| Diameter [Common size row 2; Diameter=Φ8mm; Height=8.0mm] | Φ8 |
| Height [Common size row 2; Diameter=Φ8mm; Height=8.0mm] | 8.0 mm |
| Deviation [Common size row 2; Diameter=Φ8mm; Height=8.0mm; Reference 180°] | 3"-10" |
| Diameter [Common size row 3; Diameter=Φ10mm; Height=7.5mm] | Φ10 |
| Height [Common size row 3; Diameter=Φ10mm; Height=7.5mm] | 7.5 mm |
| Deviation [Common size row 3; Diameter=Φ10mm; Height=7.5mm; Reference 180°] | 3"-10" |
| Diameter [Common size row 4; Diameter=Φ12.7mm; Height=10.2mm] | Φ12.7 |
| Height [Common size row 4; Diameter=Φ12.7mm; Height=10.2mm] | 10.2 mm |
| Deviation [Common size row 4; Diameter=Φ12.7mm; Height=10.2mm; Reference 180°] | 3"-10" |
| Diameter [Common size row 5; Diameter=Φ15.0mm; Height=11.4mm] | Φ15.0 |
| Height [Common size row 5; Diameter=Φ15.0mm; Height=11.4mm] | 11.4 mm |
| Deviation [Common size row 5; Diameter=Φ15.0mm; Height=11.4mm; Reference 180°] | 3"-10" |
| Diameter [Common size row 6; Diameter=Φ25.4mm; Height=19.1mm] | Φ25.4 |
| Height [Common size row 6; Diameter=Φ25.4mm; Height=19.1mm] | 19.1 mm |
| Deviation [Common size row 6; Diameter=Φ25.4mm; Height=19.1mm; Reference 180°] | 3"-10" |
| Diameter [Common size row 7; Diameter=Φ38.1mm; Height=29.2mm] | Φ38.1 |
| Height [Common size row 7; Diameter=Φ38.1mm; Height=29.2mm] | 29.2 mm |
| Deviation [Common size row 7; Diameter=Φ38.1mm; Height=29.2mm; Reference 180°] | 3"-10" |
| Diameter [Common size row 8; Diameter=Φ42mm; Height=34.9mm] | Φ42 |
| Height [Common size row 8; Diameter=Φ42mm; Height=34.9mm] | 34.9 mm |
| Deviation [Common size row 8; Diameter=Φ42mm; Height=34.9mm; Reference 180°] | 3"-10" |
| Diameter [Common size row 9; Diameter=Φ50mm; Height=37.5mm] | Φ50 |
| Height [Common size row 9; Diameter=Φ50mm; Height=37.5mm] | 37.5 mm |
| Deviation [Common size row 9; Diameter=Φ50mm; Height=37.5mm; Reference 180°] | 3"-10" |
| Diameter [Common size row 10; Diameter=Φ50.8mm; Height=38.1mm] | Φ50.8 |
| Height [Common size row 10; Diameter=Φ50.8mm; Height=38.1mm] | 38.1 mm |
| Deviation [Common size row 10; Diameter=Φ50.8mm; Height=38.1mm; Reference 180°] | 3"-10" |
| Diameter [Common size row 11; Diameter=Φ62.23mm; Height=47.9mm] | Φ62.23 |
| Height [Common size row 11; Diameter=Φ62.23mm; Height=47.9mm] | 47.9 mm |
| Deviation [Common size row 11; Diameter=Φ62.23mm; Height=47.9mm; Reference 180°] | 3"-10" |
| Diameter [Common size row 12; Diameter=Φ62.5mm; Height=48.0mm] | Φ62.5 |
| Height [Common size row 12; Diameter=Φ62.5mm; Height=48.0mm] | 48.0 mm |
| Deviation [Common size row 12; Diameter=Φ62.5mm; Height=48.0mm; Reference 180°] | 3"-10" |
| Diameter [Common size row 13; Diameter=Φ64mm; Height=48.0mm] | Φ64 |
| Height [Common size row 13; Diameter=Φ64mm; Height=48.0mm] | 48.0 mm |
| Deviation [Common size row 13; Diameter=Φ64mm; Height=48.0mm; Reference 180°] | 3"-10" |
| Diameter [Common size row 14; Diameter=Φ65mm; Height=39.1mm] | Φ65 |
| Height [Common size row 14; Diameter=Φ65mm; Height=39.1mm] | 39.1 mm |
| Deviation [Common size row 14; Diameter=Φ65mm; Height=39.1mm; Reference 180°] | 3"-10" |
| Diameter [Common size row 15; Diameter=Φ70mm; Height=50.0mm] | Φ70 |
| Height [Common size row 15; Diameter=Φ70mm; Height=50.0mm] | 50.0 mm |
| Deviation [Common size row 15; Diameter=Φ70mm; Height=50.0mm; Reference 180°] | 3"-10" |
| Diameter [Common size row 16; Diameter=Φ72.52mm; Height=52.3mm] | Φ72.52 |
| Height [Common size row 16; Diameter=Φ72.52mm; Height=52.3mm] | 52.3 mm |
| Deviation [Common size row 16; Diameter=Φ72.52mm; Height=52.3mm; Reference 180°] | 3"-10" |
Key Features
Datasheet
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Supplier Information
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