The Qioptiq Space-Qualified Cover Glass is engineered to provide superior radiation protection and optical performance for solar cells used in space applications. With over 40 years of space heritage, this cover glass is designed to shield solar cells from harmful ultraviolet (UV) radiation, proton and electron radiation, while enhancing power output through anti-reflective coatings.
Its durability and reliability make it an essential component for satellites, space probes, and other spacecraft requiring long-lasting energy generation in extreme environments.
Key Features:
- Radiation Protection: Offers exceptional protection from UV, proton, and electron radiation, extending the operational life of solar cells in space.
- High Emissivity: Enhanced emissivity properties for effective thermal management in space, improving the overall performance of solar panels.
- Customizable Thickness: Available in a range of thicknesses from 0.050mm to 0.50mm, allowing customization based on specific mission requirements.
- Anti-Reflective Coating: Includes specialized coatings that improve light transmission and reduce reflection, optimizing the solar cell’s power output.
- Durable and Reliable: Chemically etched edges for increased strength and resistance to environmental stress, ensuring durability over the lifespan of the mission.
Technical Specifications:
| Parameter | Specification |
|---|---|
| Glass Type | CMX, CMG, CMO |
| Thickness Range | 0.050mm to 0.50mm |
| Density | 2.54 g/cm³ |
| Thermal Expansion Coefficient | 5.5 x 10⁻⁶/°C |
| Surface Finish | MIL-PRF-13830B, 80/50 scratch dig |
| Coating Types | Anti-reflective, UV reflection, IR reflection |
| Humidity Resistance | 98% relative humidity for 72 hours at 50°C |
| Abrasion Resistance | Passes military-grade abrasion testing (MIL-E-12397) |
| Radiation Resistance | UV, proton, and electron protection |
Applications:
- Low-Earth Orbit (LEO) Satellites
- Geostationary Satellites (GEO)
- Interplanetary Space Probes
- Solar Panels for Spacecraft requiring long-term durability and high efficiency
Performance Enhancing Coatings:
- Anti-Reflective Coating: Reduces reflection and increases transmission, optimizing solar cell efficiency by ensuring maximum sunlight absorption.
- Conductive Coatings: For managing electrostatic discharge (ESD) in space environments.
- UV Reflective Coating: Protects solar cells from harmful ultraviolet light, extending operational life.
Environmental Tolerances:
- Thermal Cycling: Designed to withstand thermal cycling in the space environment, ensuring stable performance across a wide temperature range.
- Radiation Stability: Proven resistance to UV and IR radiation, along with excellent protection from high-energy particles in space.