Ultra-Fine Rare Earth Polishing Powder for Optical Waveguides
Product Details
| Main Component: | CeO₂ | CeO₂ Purity: | ≥99.5% |
|---|---|---|---|
| Particle Size: | 0.1–0.5 μm | Particle Distribution: | Narrow / Controlled |
| Application: | Ultra-fine Optical Polishing | Substrates: | Optical Glass / Specialty Glass |
| Highlight |
Ultra-Fine Rare Earth Polishing Powder,Rare Earth Polishing Powder for Optical Waveguides,Optical Waveguide Polishing Powder |
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Product Description
Ultra-Fine Rare Earth Polishing Powder for Optical Waveguides
Product Overview
Ultra-Fine Rare Earth Polishing Powder is developed for high-precision polishing of optical waveguides and advanced photonic components. Its controlled fine-particle characteristics provide precise material removal during fine and final polishing processes.
Optical waveguides require highly controlled optical surfaces because surface defects, roughness and contamination can affect optical performance. Properly engineered rare-earth polishing powders can therefore play an important role in the finishing of glass waveguides, planar optical components, photonic devices and AR waveguide substrates.
Key Features
- Ultra-fine particle characteristics
- Controlled particle-size distribution
- Designed for precision optical finishing
- Suitable for fine and final polishing
- High surface-finishing capability
- Good polishing-process control
- Suitable for optical glass and specialty substrates
- Good slurry compatibility
- Customized particle-size distribution available
Particle Size Distribution

Applications
- Optical waveguides
- AR waveguide substrates
- Planar optical components
- Photonic integrated components
- Glass waveguides
- Optical combiners
- Micro-optical components
- Precision photonics
- Near-eye display optics
Q&A
Q: What is the benefit of ultra-fine polishing powder for optical waveguides?
A: Fine particles can provide better control of material removal during precision finishing and are useful where a high-quality optical surface is required.
Q: Can this material be used for AR waveguides?
A: Yes. It can be evaluated for glass-based AR waveguide substrates and related optical components.
Q: Does smaller particle size always provide better polishing?
A: Not necessarily. Optimal particle size depends on substrate hardness, polishing equipment, pad, slurry concentration and required removal rate.
Q: Can you develop a grade for a specific waveguide substrate?
A: Yes. Customized development can be considered based on the customer's substrate and polishing-process parameters.
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