01
Surface Figure Control
Precision polishing processes control optical surface figure according to customer requirements. Typical λ/10, λ/8 and λ/4 surface accuracy options depend on component size and specification.
- λ/10
- λ/8
- λ/4
PRECISION OPTICAL MANUFACTURING
Precision Optical Polishing Capabilities
Controlled polishing processes for optical surface figure, flatness, parallelism, surface quality and roughness.
Chenyu Optics provides precision optical polishing for windows, lenses, prisms, mirrors and custom optical components. Each process is adapted to the material, geometry and final drawing requirements.
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Overview
Precision Optical Polishing Overview
Optical polishing is a critical manufacturing process used to achieve the required optical surface performance after grinding and machining.
Chenyu Optics provides controlled polishing processes for optical windows, lenses, prisms, mirrors and infrared optical components.
The polishing process is optimized according to material type, component geometry, wavelength requirement, surface accuracy and the target optical performance.
Key Capability
Optical Polishing Capability Parameters
02
Parallelism Control
Controlled polishing maintains parallelism between optical surfaces for windows and flat optical components. Arc-minute-level control depends on component design.
- Parallel surfaces
- Beam control
- Drawing-based
03
Surface Quality
Optical polishing achieves controlled scratch-dig surface quality. Typical 10-5, 20-10 and 40-20 options are available depending on component requirements.
- 10-5
- 20-10
- 40-20
04
Surface Roughness & Flatness Control
Fine polishing reduces microscopic irregularities and enables high-flatness surfaces. Sub-nanometer to nanometer-level roughness depends on material and process requirements.
- Low scatter
- Optical flatness
- Fine finish
Manufacturing Process
Optical Polishing Process
A controlled sequence prepares, polishes and verifies each optical surface against drawing requirements.
01
Precision Grinding
Initial material shaping and dimensional preparation before polishing.
02
Fine Grinding
Improves surface accuracy and prepares the optical surface.
03
Optical Polishing
Controlled polishing removes surface imperfections and achieves optical specifications.
04
Surface Inspection
Surface figure, flatness, quality and dimensions are measured.
05
Final Cleaning and Packaging
Cleaning and protection maintain optical performance before shipment.
Quality Control
Optical Surface Inspection and Quality Control
Each optical component is inspected according to customer drawings and specifications before shipment.
Materials Capability
Materials Available for Optical Polishing
Optical Materials
- Optical Glass
- Fused Silica
- Sapphire
- CaF₂
- BaF₂
- ZnSe
- ZnS
- Germanium
- Silicon
Process Considerations
- Material Hardness
- Material Brittleness
- Component Geometry
- Surface Accuracy
- Surface Quality
- Wavelength Range
- Optical Performance
Different materials require optimized polishing parameters based on hardness, brittleness and optical requirements.
Technical Parameters
Optical Polishing Technical Capability
Typical capabilities depend on material, component dimensions, geometry and final drawing requirements.
| Parameter | Typical Capability | Application Significance |
|---|---|---|
| Surface Figure | λ/10, λ/8, λ/4 | Controls wavefront distortion and imaging performance |
| Flatness | High precision optical flatness | Required for windows, prisms and reference optics |
| Parallelism | Arc minute level control | Reduces beam deviation and alignment errors |
| Surface Quality | 10-5 / 20-10 / 40-20 scratch-dig | Controls surface defects and scattering |
| Surface Roughness | Nanometer-level finish | Improves transmission and optical performance |
| Clear Aperture | Custom according to drawing | Ensures usable optical area |
Applications
Applications of Precision Optical Polishing
Laser Systems
Imaging Systems
Infrared Optics
Optical Instruments
Scientific Equipment
Custom Optical Assemblies
FAQ
Optical Polishing FAQ
What optical components can be polished?
We polish optical windows, lenses, prisms, mirrors, infrared optics and other custom optical components according to customer drawings.
What surface figure can you achieve?
Typical surface figure options include λ/10, λ/8 and λ/4, depending on material, component size, geometry and specification.
What surface quality specifications are available?
Scratch-dig options such as 10-5, 20-10 and 40-20 are available depending on component and application requirements.
Can you control optical flatness and parallelism?
Yes. Flatness and parallelism are controlled according to the optical design, component geometry and drawing requirements.
What materials can you polish?
Supported materials include optical glass, fused silica, sapphire, CaF₂, BaF₂, ZnSe, ZnS, germanium and silicon.
Can you provide inspection reports?
Yes. Inspection documentation can be provided according to project requirements and agreed inspection criteria.
Need Precision Optical Polishing?
Send your optical drawings or specifications. Chenyu Optics provides precision polishing services for windows, lenses, prisms, mirrors and custom optical components.