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AR Coating
Anti-reflection coatings reduce surface reflection and improve optical transmission for windows, lenses, laser optics and imaging systems.
- UV
- VIS
- NIR
- IR
PRECISION OPTICAL MANUFACTURING
Precision Optical Coating Capabilities
Advanced optical coating solutions including AR, HR, BBAR and DLC coatings for UV, visible, laser and infrared applications.
Chenyu Optics provides precision optical coating services for windows, lenses, prisms, mirrors and infrared optical components. Our coating capability includes anti-reflection coatings, high reflective coatings, broadband AR coatings and protective DLC coatings designed for specific wavelength ranges and operating environments.
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Overview
Optical Coating Overview
Optical coating is a critical process used to modify the transmission, reflection and protection performance of optical components.
Chenyu Optics provides coating solutions for optical windows, lenses, prisms, mirrors and infrared optics. Coating selection is based on wavelength range, angle of incidence, transmission requirement, reflection target and environmental conditions.
Available technologies include AR, BBAR, HR and DLC protective coatings for custom optical manufacturing requirements.
Coating Capability
Optical Coating Capabilities
Custom coating designs are available according to wavelength, substrate material and optical performance requirements.
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BBAR Coating
Broadband anti-reflection coatings provide low reflection across broad wavelength ranges for imaging and infrared optical systems.
- 400–700 nm
- 700–1100 nm
- 3–5 μm
- 8–12 μm
03
HR Coating
High reflective coatings provide high reflectivity at specified wavelengths for laser mirrors and reflective optical components.
- Laser
- Visible
- NIR
- IR
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DLC Coating
Diamond-like carbon coatings provide protective performance for ZnSe, ZnS, germanium and silicon optics used in thermal imaging and infrared systems.
- ZnSe
- ZnS
- Germanium
- Silicon
Manufacturing Process
Optical Coating Process
A controlled workflow prepares, deposits and verifies thin-film coatings against wavelength and performance requirements.
01
Substrate Preparation
Cleaning and preparation of optical surfaces before coating.
02
Vacuum Coating
Thin-film layers are deposited using controlled coating processes.
03
Layer Thickness Control
Thickness is controlled to achieve target transmission or reflection.
04
Optical Performance Testing
Spectral testing verifies performance against wavelength requirements.
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Final Inspection
Visual inspection and quality verification are completed before shipment.
Wavelength Capability
Optical Coating Wavelength Capability
Coating designs are selected according to the operating band, substrate and required transmission or reflection performance.
Materials & Quality Control
Coating Compatible Materials
Coating design is optimized according to substrate material, wavelength range and application environment.
Optical Materials
- Optical Glass
- Fused Silica
- Sapphire
- Calcium Fluoride
- Barium Fluoride
- ZnSe
- ZnS
- Germanium
- Silicon
Inspection Capability
- Spectral Transmission Testing
- Reflectivity Measurement
- Coating Uniformity Inspection
- Adhesion Testing
- Surface Quality Inspection
Each coated optical component is tested according to customer wavelength and performance requirements.
Technical Parameters
Optical Coating Capability Parameters
Typical coating capability is evaluated against the substrate, wavelength range, angle of incidence and specified optical performance.
| Parameter | Typical Capability | Application Significance |
|---|---|---|
| AR Coating | Low reflection coating | Improves optical transmission |
| BBAR Coating | Broad wavelength anti-reflection | Supports broadband optical systems |
| HR Coating | High reflectivity coating | Used for mirrors and laser optics |
| DLC Coating | Protective infrared coating | Improves durability of IR components |
| Wavelength Range | UV to LWIR | Supports different optical applications |
| Coating Substrates | Glass, fused silica, sapphire, ZnSe, ZnS, Ge and Si | Compatible with various optical materials |
Applications
Applications of Optical Coatings
Laser Systems
Imaging Systems
Infrared Optics
Thermal Imaging
Optical Instruments
Custom Optical Assemblies
FAQ
Optical Coating FAQ
What optical coatings can you provide?
Chenyu Optics provides AR, BBAR, HR and DLC coatings, together with custom coating designs based on wavelength and performance requirements.
What is the difference between AR and BBAR coatings?
AR coatings are designed to reduce reflection over a specified band or wavelength, while BBAR coatings provide low reflection across a broader wavelength range.
When should HR coating be used?
HR coatings are used when high reflectivity is required at specified wavelengths, including laser mirrors and reflective optical components.
What is DLC coating used for?
DLC coatings provide protective performance for infrared substrates such as ZnSe, ZnS, germanium and silicon in demanding operating environments.
What wavelength ranges can you coat?
Coating designs are available from UV through visible, NIR, SWIR, MWIR and LWIR ranges, subject to substrate and project specifications.
Can you provide custom coatings for infrared materials?
Yes. Custom coating designs can be evaluated for compatible infrared materials according to wavelength, substrate, angle of incidence and required optical performance.
Need Custom Optical Coating?
Send your optical component drawings and wavelength requirements. Chenyu Optics provides precision AR, HR, BBAR and DLC coating solutions for optical windows, lenses, mirrors, prisms and infrared components.