Sapphire dome (Sapphire fairing radome) is a specialized type of protective cover used on certain types of aerospace vehicles, such as rockets or satellites, to shield sensitive equipment, typically antennas or payloads, during launch and ascent. The name “Sapphire” generally refers to a material or design that is transparent or optically clear while providing high strength, similar to the properties of sapphire crystals. The radome is the outer casing designed to protect electronic equipment like communication or sensor antennas while still allowing electromagnetic signals to pass through with minimal distortion.
“Sapphire” often suggests a durable, crystalline material with excellent properties for handling high stress, high-speed airflow, and temperature extremes during a rocket launch or in space.
Sapphire dome (Sapphire fairing radome) is a high-performance, transparent protective cover designed for aerospace applications, offering strength, durability, and minimal interference with communications or sensor signals.
We have rich experience in manufacturing custom optical sapphire domes. We can produce a variety of custom sapphire domes, including sapphire hemispherical domes, sapphire hyper-hemispherical domes, kerfs sapphire domes, spherical sapphire domes, aspheric sapphire domes, sapphire domes (Sapphire fairing radome), U-shape sapphire domes, conformal sapphire domes, and special-shaped sapphire hyper-hemisphere dome.
sapphire hemispherical dome
sapphire hemispherical dome
Material | Optical grade single Sapphire crystal (Al2O3) |
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Names | Corundum, Sapphire, Alpha-alumina |
Diameter | 2 - 600 mm |
Diameter Tolerance | ± 0.01 - 0.10 mm |
Thickness Tolerance | ± 0.10 mm |
Surface Quality | 80/50, 60/40, 40/20, 20/10 (Scratch/Dig) |
Axis Orientation | C-Axis (C-Plane), M-Plane, A-Plane, R-Plane and Random |
Parallelism | 30 arc sec |
Chamfer | < 0.2 mm x 45° |
Coating | No coating or custom coating request |