DIELECTRIC OPTICAL COATINGS

FOR SPACE, DEFENCE,LASER, SATCOM, INDUSTRY, BIOMEDICAL, FUSION, ASTRONOMY, RESEARCH

 

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 mirrors
  • Band-pass optical filters
  • Beamsplitters
  • Polarizers
  • High-reflectivity mirrors
  • Long-pass and high-pass optical 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

 

beamsplitter

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 Fused silica, Sapphire, BK7, BK7G18, CaF2, Zerodur® and other specialty optical 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

WAVE FRONT ERROR (WFE)

Stress compensation available upon request

LASER APPLICATIONS

  • High LIDT for ns, ps, fs regimes 
  • Low absorption for CW