Shanghai Longway Special Glass Co., Ltd.
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High-precision Optical Right Angle Prism For Accurate Light Reflection In Scientific Instruments
A high-precision optical right angle prism is a fundamental component engineered to deliver exceptional accuracy in controlling light paths within scientific and industrial instruments. Manufactured to exacting standards, these prisms ensure minimal wavefront distortion and reliable performance in demanding applications where precision is paramount.
Material Composition
Optical Glass: Primarily fabricated from N-BK7 or equivalent borosilicate crown glass
Fused Silica: Alternative material for UV applications or environments requiring superior thermal stability and lower thermal expansion
Coating Options: Available with various optical coatings including protected aluminum for broad-wavelength reflection or dielectric coatings for enhanced laser applications
Key Properties
Exceptional Angular Accuracy: Typically maintains 90° angle within ±15 arcseconds tolerance
Superior Surface Quality: Features λ/10 surface flatness or better with 20-10 scratch-dig specifications
High Laser Damage Threshold: Withstands high-power laser applications without degradation
Thermal Stability: Maintains optical performance across wide temperature ranges
Precision Polishing: Optical surfaces polished to laser-grade quality for minimal scatter and absorption
Primary Functions
Beam Steering: Redirects light paths at precise 90° angles using total internal reflection principle
Image Rotation: Serves as an efficient image rotation and inversion component in optical systems
Beam Combining: Enables precise beam combination when used in pairs with appropriate coatings
Retroreflection: Functions as a 180° retroreflector when properly aligned in optical paths
Industrial Applications
Scientific Research: Essential in interferometers, spectrometers, and laboratory optical benches
Medical Imaging: Integrated into endoscopic systems and diagnostic equipment
Laser Systems: Critical for beam delivery in industrial laser processing and medical laser devices
Aerospace & Defense: Used in targeting systems, periscopes, and optical alignment tools
Metrology Instruments: Incorporated into autocollimators and precision measurement devices
Semiconductor Manufacturing: Employed in wafer inspection and lithography equipment
This comprehensive optical component continues to be indispensable across multiple scientific and industrial sectors, providing reliable light manipulation where precision and durability are crucial for system performance and measurement accuracy.
| 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 |
