Custom BK7 Glass Dove Prism For Optical Alignment Systems
Material
1.High-quality BK7 optical glass: A standard crown glass with excellent transmission (350–2000 nm), low bubble/inclusion content, and high homogeneity.
2.Optional coatings: Anti-reflective (AR) coatings (e.g., 532 nm or 1064 nm laser lines) to minimize surface reflections and enhance durability.
Properties
1.Precision polishing: λ/10 surface flatness and <5 arcsec angular tolerance for accurate beam control.
2.Thermal stability: Low coefficient of thermal expansion (CTE: ~7.1×10⁻⁶/K) ensures performance stability in varying temperatures.
3.High laser damage threshold: Suitable for high-power laser systems (e.g., LIDT >10 J/cm² at 1064 nm, 10 ns pulses).
Function
1.Image rotation: Rotates an image by 180° without parity change, critical for aligning inverted optical paths.
2.Beam displacement: Shifts beam position laterally while maintaining direction, useful for interferometry and laser alignment.
3.Polarization preservation: Minimal birefringence (<5 nm/cm) for coherent laser applications.
Applications
1.Laser systems: Alignment of CO₂/UV lasers in industrial cutting and medical devices.
2.Interferometry: Path correction in Michelson or Mach-Zehnder setups.
3.Imaging systems: Image inversion in telescopes, microscopes, and endoscopic tools.
4.Defense & aerospace: Beam steering in LIDAR and targeting systems.
| Item | Optical Prism |
| Material | Optical glass, Qurartz glass, borosilicate glass, |
| Diameter Tolerance | +0/-0.15 mm |
| Thickness Tolerance | +/-0.15mm |
| Processed | by grinding, polishing |
| Surface Quality | 80/50,60/40,40/20 |
| Material Quality | no scratches and air bubble |
| Transmission | above 90% |
| Chamfer | 0.1-0.5 mm x 45° |
| Surface Coating | Available |
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Custom BK7 Glass Dove Prism For Optical Alignment Systems Images
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