Optical Solar Reflectors
Used for the thermal control of spacecraft. They are used on the sun facing sides of satellites

Reflect incoming solar radiation whilst simultaneously radiating internally generated heat.

Thermal Management
  • Optical solar reflectors (OSRs) for Passive Thermal control
  • Proven on-orbit heritage
  • Choice of glass types CMX or CMO
  • Low solar absorption
  • High emissivity
  • ESD protection
  • High performance over wide range of angles of incidence
  • Performance Enhancing Coatings
    • Ultra-Violet reflection enhancement
    • Conductive coatings
    • Conductive edge coating
    • Combination coatings


Optical Solar Reflectors.pdf