Custom-Coated Hollow Corner-Cube Retroreflectors
The glass corner prism is described as an isosceles right-angle prism with its end face toward the right angle. Light enters a large rectangular face and exits the same face after two total internal reflections, returning in the original direction with the image rotated 180° and without dispersion. The custom-coated hollow corner-cube retroreflector uses three mutually perpendicular reflecting faces to return incident rays along their original paths. Within the effective aperture, it returns rays regardless of incidence angle with error <5arcsec. WTS offers custom materials and sizes. Applications include laser interferometry and angle measurement; optical-signal reflection/return for optical-network fault detection and location; laser guidance and satellite ranging; interferometer-arm length-change measurement for gravitational-wave detection; and imaging-path optimization and aberration correction.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Material | N-BK7; UV Fused Silica; Other Optical Glasses |
| Dimensional Tolerance | +0.0, -0.2mm |
| Surface Finish | 60-40 |
| Surface Figure [632.8nm] | λ/2 @ 632.8nm |
| Angle Tolerance | ±3 arcmin |
| Clear Aperture Dimension | >85% |
| Chamfer [45°] | <0.25mm×45° |
| Coating | Customized on Request |
| Retroreflection Error [Within the Clear Aperture] | <5 arcsec |
Applications
Datasheet
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Supplier Information
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