Optical Elements for Space Applications
Optical elements developed for space applications where spectral control, beam management, and environmental robustness are required alongside optical transmission.
Optical Elements
optical filters
Beamsplitters
Optical Dome
Optical Domes
optical Filters
bandpass / long-pass filters
UV Bandpass filters
Key Optical Filter Specifications
(to be defined per application)
|
Specification |
Description |
|---|---|
|
Spectral definition |
cut-on / cut-off wavelength |
|
Bandwidth |
defined per application |
|
Optical density (blocking) |
defined per application |
|
Coating architecture |
selected per spectral and environmental requirements |
Acceptance criteria are defined per mission requirements and qualification constraints.
Materials
Fused Silica, Optical Glass,
(IR applications) Si, Ge, ZnSe, ZnS (upon request)
*Material selection is defined per spectral band, radiation environment, and contamination control requirements.
Manufacturing Capability
- Thin-film coating processes for space environment
- Spectral performance control
- Coating uniformity across aperture
- Edge and mounting interface preparation
Space Qualification Considerations
- ECSS-aligned coating materials
- Radiation and thermal stability considerations
- Outgassing and contamination control
- Spectral verification records maintained
Beamsplitters
dichroic plate beamsplitters
Non-polarizing beamsplitter
Standard Specifications
(to be defined per application)
|
Parameter |
Standard Range |
|
Spectral range |
UV–VIS / VIS–NIR / IR |
|
Split type |
plate / cube / dichroic / polarizing |
|
Split ratio |
defined per application |
|
Angular sensitivity |
defined per configuration |
|
Coating architecture |
broadband / dichroic, space-compatible |
Material Selection
Fused Silica, Optical Glass, Silicon (Si), Germanium (Ge), Zinc Selenide (ZnSe), Zinc Sulfide (ZnS)
*Material selection is defined per spectral band, angular configuration, and qualification requirements.
Manufacturing Capability
- Beam splitting ratio control
- Surface flatness and parallelism management
- Coating process selection per spectral band
- Assembly and bonding readiness
Space Qualification Considerations
- Coating and substrate compatibility
- Thermal and mechanical stability
- Contamination and outgassing control
- Documentation and traceability available
Optical Domes
hemispherical dome
large aperture dome
Standard Specifications
(to be defined per application)
|
Parameter |
Standard Range |
|
Diameter |
Up to 500mm |
|
Thickness |
defined per structural and environmental requirements |
|
Coating |
available per spectral and environmental constraints |
|
Dimensional Tolerance |
defined per geometry |
Material Selection
Fused Silica, Optical Glass (e.g. BK7), Magnesium Fluoride (MgF₂), Calcium Fluoride (CaF₂), Cleartran®, Germanium (Ge)
*Material selection is defined per spectral band, environmental conditions, and qualification requirements.
Manufacturing Capability
- Dome forming and polishing
- Thickness and curvature uniformity control
- Optical quality maintained over large apertures
- Interface definition for environmental sealing
Space Qualification Considerations
- Structural integrity under launch loads
- Thermal cycling stability
- Environmental protection and contamination control
- Inspection and traceability maintained
Imaging optics such as lenses and mirrors are addressed under dedicated product lines
due to distinct optical functions and qualification considerations.