DIELECTRIC OPTICAL COATINGS
HIGH-PERFORMANCE DIELECTRIC OPTICAL COATINGS FOR SPACE, DEFENSE AND SCIENTIFIC APPLICATIONS
CILAS develops advanced dielectric optical coatings engineered for the most demanding environments in space, defense, astronomy and high-power laser applications. Leveraging state-of-the-art magnetron sputtering and plasma ion-assisted deposition technologies, our coatings provide exceptional spectral performance, environmental durability and long-term stability for critical optical systems.
Applications of Dielectric Optical Coatings
- Space and Satellite Optics
- Laser Systems and Beam Control
- Astronomy and Large-Scale Scientific Instruments
- Biomedical and Industrial Imaging
- Fusion and Energy Systems
- Quantum Technologies and Photonics
Available Optical Coating Types
- Anti-reflective coatings
- Dichroic filters
- Band-pass filters
- Beamsplitters
- Polarizers
- High-reflectivity mirrors
- Long-pass and high-pass filters
Advanced Optical Coating Capabilities
- Optical components up to 2 meters
- UV, visible and SWIR spectral ranges
- High laser damage threshold coatings
- Ultra-low absorption for CW lasers
- Environmental qualification for space applications
- Custom multilayer coating design and optimization
- High-uniformity deposition on large optics
- Prototype to serial production
Why Leading Space and Defense Programs choose CILAS ?
- Largest optical coating platform in Europe
- Components up to 2 meters
- ISO cleanroom manufacturing
- Space-qualified coating technologies
- High durability in extreme environments
- Custom coating design support
- From prototype to serial production
Trusted in Major International Programs
- Microcarb filters
- Perseverance SuperCam and Curiosity Chemcam
- ELT MICADO Filters and PDS beamsplitters
- VLT SPHERE IRDIS Filters
- Earth Observation Satellite imaging programs
- Laser communication in-flight (TELEO) and ground-based optical communication stations
Discuss Your Optical Coating Requirements
CILAS supports custom dielectric optical coating developments for space, defense, astronomy and laser applications — from prototype design to qualified production.
- Custom coating design support
- Environmental and space qualification
- Large optics manufacturing capabilities
- High-performance spectral optimization
| FEATURES OF DIELECTRIC COATINGS | |
|---|---|
| SUBSTRATE MATERIALS | Silica, BK7, BK7G18, CaF2, various glasses |
| SUBSTRATES SHAPES | Lenses, windows, wedges, freefrom optics |
| COATING TYPE | Dielectric coatings based on oxides |
| COATING PROCESS | Magnetron sputtering (dense coating) Plasma Ion Assisted deposition (dense coating) In-situ optical monitoring 900 m² of clean room ISO5 to ISO8 |
| SPECTRAL RANGE | 220 nm to 2.5 μm |
| COSMETICS | 5/C 1 x 0.16 per 25 mm pupil according to ISO 10110-7 |
| ENVIRONMENTAL COMPATIBILITY | Suitable for severe environments (ATOX, radiations, vacuum, humidity…) Space heritage available upon request Cleanable |
| COATING FREE AREAS | Coating free areas masked upon request |
| WAVE FRONT ERROR (WFE) | Stress compensation available upon request |