24-Sided High Precision Optical Prism with 0.3 Arcsecond Accuracy and φ80-φ150 mm Diameter for Metrology
Professional-grade 24-sided optical prism featuring 0.3 arcsecond measurement accuracy and ≤2 μm parallelism tolerance. Constructed from GCr15 bearing steel with HRC 62-65 hardness, ideal for metrology, astronomy, and precision instrument calibration applications. Includes technical support and flexible ordering options.
This high-precision 24-sided prism features a four-sided trapezoid configuration with twenty-four plane corners, engineered for demanding metrology applications requiring exceptional accuracy and reliability.
- Grade 0 (Grade II) precision specifications
- 0.3 arcsecond measurement uncertainty for superior accuracy
- Datum plane flatness ≤ 1 μm for reliable reference surfaces
- Working surface roughness Ra ≤ 0.025 μm for optimal performance
- Constructed from durable GCr15 bearing steel with HRC 62-65 hardness
- Parallelism between upper surface and datum plane ≤ 2 μm tolerance
| Parameter | Specification |
|---|---|
| Outer Diameter | φ80-φ150 mm |
| Working Angle Measurement Uncertainty | Grade 0 (Grade II): ≤ 0.3 arcseconds |
| Hardness | HRC 62-65 |
| Working Angle Deviation | Grade 0 (Grade II): ≤ ±1 arcsecond |
| Working Surface Flatness | Grade 0 (Grade II): ≤ 0.03 μm |
| Perpendicularity of Working Surface to Datum Plane | Grade 0 (Grade II): ≤ ±10 arcseconds |
| Surface Finish | Polished |
| Parallelism Between Upper Surface and Datum Plane | ≤ 2 μm |
| Effective Working Area | Circular area with S ≥ φ15 mm (or 15 mm × 15 mm square, or D15 mm equivalent) |
This precision optical prism is ideal for metrology laboratories, astronomical instrumentation, optical instrument calibration, manufacturing quality control, research facilities, and educational institutions requiring high-precision alignment and measurement capabilities.
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