Astrolight and ATMOS Space Cargo to test first re-entry optical link

Astrolight and ATMOS Space Cargo have signed a memorandum of understanding to conduct the first planned in-flight optical communications link between a re-entry spacecraft and an orbiting satellite. The demonstration is scheduled for 2027.

The mission will utilize Astrolight’s ATLAS-X laser communication terminals on both the ATMOS PHOENIX re-entry vehicle and a test satellite. The goal is to enable real-time data transfer at rates up to 2.5 Gbps during in-orbit operations and atmospheric re-entry. This technology aims to address limitations in conventional radio-frequency telemetry, which can degrade during re-entry.

Laser communication offers several advantages for space logistics, including data transmission rates up to 100 times higher than traditional radio frequencies and increased resistance to jamming, interception, or detection. Successful implementation could support the return of scientific samples, in-orbit manufactured products, and critical hardware, while providing continuous insight into vehicle health and guidance during the re-entry phase.