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. While “sapphire” itself is a specific gemstone, the term in this context refers to a material that mimics sapphire’s qualities, such as being strong, lightweight, and transparent to certain wavelengths of electromagnetic radiation (like radio signals).
Sapphire dome (Sapphire fairing radome) covers the payload or communications equipment, especially antennas, on a rocket or satellite. It allows the signal transmission to occur without interference, all while protecting the sensitive components inside from the harsh conditions of the launch, such as vibrations, extreme temperatures, and aerodynamic stresses.
These radomes are typically found on satellites or launch vehicles that require communication systems to function in space. The fairing protects the equipment from environmental factors during the launch and ascent, but once the vehicle reaches the vacuum of space or the atmosphere becomes thin enough, the fairing is jettisoned or opens up to allow the equipment to operate freely.
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.
The diameter of Blue Box optics custom sapphire domes can be manufactured up to Φ390mm.
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