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Custom Sapphire Dome


Custom Sapphire dome (Sapphire fairing radome)

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.

Contact us to get a free quote for your custom sapphire dome (Sapphire fairing radome) projects.

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Sapphire dome (Sapphire fairing radome)  
Sapphire Hemispherical Dome  
Sapphire Hyper-hemispherical Dome  

Applications of the sapphire dome (Sapphire fairing radome)?

Special–shaped sapphire hyper-hemisphere dome
kerfs sapphire dome
Sapphire Hemispherical Dome  
Sapphire Hyper-hemispherical Dome
Sapphire Hemispherical Dome
Sapphire Hyper-hemispherical Dome
Sapphire Hyper-hemispherical Dome

Sapphire domes (sapphire fairing radomes) are specialized structures used primarily in high-performance aerospace and military applications. They offer a unique set of properties that make them valuable for certain uses. Some of the main applications of sapphire domes (sapphire fairing radomes) include:

1. Aerospace and Aviation

1). Radar and Communications Systems

Sapphire radomes are used to protect sensitive radar and communication equipment in aircraft, satellites, and drones. The material allows electromagnetic signals to pass through with minimal interference due to its excellent transparency to a broad range of frequencies.

2). Aircraft Nosecones

In some military aircraft, sapphire domes are used as part of the nosecone assembly, offering both radar transparency and durability against high-speed air resistance, environmental extremes, and physical impacts.

3). Missile Guidance Systems

In missile systems, sapphire radomes help protect the guidance and navigation sensors, which must remain functional even under extreme conditions.

2. Satellite and Space Technology

1). Spacecraft Communications

Sapphire radomes are used to protect antennas and communication equipment on spacecraft, allowing signals to pass through without attenuation. This is crucial for ensuring reliable communication between satellites and ground stations.

2). Launch Vehicles and Space Probes

Sapphire domes help protect telemetry and other communication systems on rockets and space probes during launch and re-entry, where high-velocity conditions could otherwise damage more conventional materials.

3. Military and Defense Systems

1). Missile Defense

Many modern missile defense systems rely on radar systems that need high-performance radomes. Sapphire radomes can withstand the high-velocity impact and environmental stresses encountered in missile defense operations, all while offering transparency for radar signals.

2). Surveillance and Reconnaissance Equipment

Sapphire radomes are used in high-performance surveillance equipment, including ground-based radars and airborne reconnaissance systems, offering durability and signal clarity.

4. Commercial and Civil Applications

1). Weather Radar Systems

Although less common in commercial systems than in military or aerospace ones, sapphire radomes are sometimes used in high-precision weather radar equipment that requires minimal signal attenuation.

2). High-Frequency Antennas

Sapphire radomes may also be used in high-frequency communication systems, such as those for long-range aviation or maritime operations, where strength and signal transparency are essential.

5. Other Special Use Cases

1). High-Temperature Environments

Sapphire’s ability to withstand high temperatures and environmental stresses makes it an ideal material for certain extreme use cases, including those involving high-speed vehicles, spacecraft, or military applications.

Due to its hardness (it’s second only to diamond in terms of scratch resistance), sapphire radomes provide excellent protection from mechanical wear and tear, environmental hazards, or impacts during operations in harsh conditions.

Custom Sapphire Optical Parts Service With Easy

Sapphire Hyper-hemispherical Dome

Blue Box optics is a leading custom sapphire glass parts manufacturer specializing in the production of custom sapphire crystal parts. Our comprehensive solutions for custom sapphire optical parts fabrication encompass shaping, grinding, drilling, and polishing. Additionally, we offer coating solutions tailored to enhance and optimize performance across a wide spectrum of applications.

Backed by over 12 years of diverse experience, Blue Box optics offers effective methods for polishing custom sapphire parts, ensuring low roughness, high surface quality, and precise surface accuracy.

We provide an extensive variety of custom sapphire optical parts, ranging from round and rectangular shapes to step configurations. Furthermore, we excel in crafting custom sapphire optics parts with diverse shapes and sizes, catering to specific requirements.

In Blue Box optics, we turn complex to simple, following the 3 steps to start your custom sapphire optical parts project today:

1. Please Tell Us What You Need

Please tell us your specific needs, send a 2D 3D design drawing, details size, or a picture.

2. Get Solution & Quote

We will work on the best solution according to your requirements. The specific and best quotation will be sent within 24 hours.

3. Mass Production & Shipping

We will start mass production after getting your approval and deposit. Then we will handle the shipping for you. We are a one-stop custom sapphire optics parts solution manufacturer. You don’t need to worry about anything.

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Sapphire Properties Reference Table

Artificial sapphire is a crystalline variant of corundum, also known as pure, single-crystal aluminum oxide (Al2O3). The distinct blend of its properties positions sapphire as the material of choice for demanding applications in mechanical, chemical, and optical fields. Below are the key features of sapphire glass.

Chemical Formula:Al2O3 (aluminum oxide)  
Names:Corundum, Sapphire, Alpha-alumina  
Hardness:9 Moh's  
Class:Hexagonal-scalenohedral  
Melting Point:2053°C (3727°F)  
Maximum Useful Temperature:2000°C  
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  
Young's Modulus:435  
Tensile Strength:275 MPa to 400 MPa  
Flexural Strength:480 MPa to 895 MPa  
Modulus of Rigidity:175 GPa  
Density (g/cm3):3.97  
Transmission Range:190nm to 5 microns  
Poisson's Ratio:0.27 - 0.30  
Abbe Number (vd):72.24  
Dimension Tolerance:± 0.01-0.10mm  
Thickness Tolerance:± 0.10mm  
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Get Your Custom Sapphire Project Into Production Today

Blue Box optics is a reliable and professional custom sapphire glass parts manufacturer that provides precision and high-quality custom sapphire parts. Our OEM custom sapphire glass parts including sapphire domes, kerf sapphire domes, sapphire hemispherical domes, sapphire hyper-hemispherical domes, aspheric sapphire domes, spherical sapphire domes, conformal sapphire domes, U-shape sapphire domes, optical domes, special-shaped sapphire hyper-hemisphere domes, sapphire lenses, sapphire IPL light guides, sapphire tubes, sapphire capillary tubes, sapphire windows, sapphire round windows, sapphire rectangular windows, sapphire large windows, sapphire T-step windows, sapphire rods, sapphire tapered rods, sapphire piston/plunger rods, sapphire screw rods, micro sapphire rods, sapphire cones, sapphire wedges, sapphire optical prisms, sapphire prisms, sapphire dove prisms, sapphire substrates, sapphire blocks, sapphire connectors, sapphire watch crystals, sapphire watch lens, sapphire watch covers, sapphire single dome, sapphire double dome, sapphire blades, sapphire holes parts, sapphire iregular parts, and so on. Factory supply super competitive prices, saving you 20-80% on purchasing costs. Contact us to get a free quote for your custom sapphire glass parts project now.

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