Freeform & Advanced Optics for Space Applications
Freeform and advanced optical components developed for space applications where non-rotational symmetry, surface complexity, and form accuracy are critical.
Freeform Optics
non-rotationally symmetric surface
complex boundary shape
Evaluation Parameters
(Optical prescription parameters are defined per application.)
|
Parameter |
Definition |
|---|---|
|
Aperture definition |
Geometry-dependent clear aperture |
|
Surface description |
Non-rotationally symmetric freeform |
|
Local slope control |
Defined per design and inspection method |
|
Form error metrics |
RMS / local deviation (method-specific) |
|
Coordinate system |
Defined per part and application |
Material Selection
Aluminum, Silicon (Si), Germanium (Ge), Zinc Selenide (ZnSe), Zinc Sulfide (ZnS), Gallium Arsenide (GaAs), Calcium Fluoride (CaF₂), Magnesium Fluoride (MgF₂), Copper, Polymers (case-dependent)
* Material availability subject to geometry and qualification constraints
* Space qualification dependent on application
Manufacturing Capability
- Deterministic freeform surface generation
- Local form error correction
- Geometry-dependent tooling and fixturing
- Metrology adapted to non-rotational symmetry
Space Qualification Considerations
- ECSS-aligned materials and processes
- Outgassing-controlled material selection
- Surface stability under thermal cycling
- Inspection records and traceability maintained
Acceptance criteria and inspection strategy are defined per geometry and application.
Conventional spherical and rotationally symmetric aspherical lenses are addressed under Refractive Optics due to distinct manufacturing and inspection regimes.