Transcelestial tests space-to-ground laser communications technologies

spacenews.com May 12, 2026

Transcelestial tests space-to-ground laser communications technologies

Curated by Shubham · TechCapsules · May 12, 2026

AI-summarised brief · reviewed before publication

Transcelestial has successfully tested laser transmissions from a satellite to ground stations in Singapore and Spain, a crucial step in developing space-to-ground optical communications. The test demonstrated the ability to detect and track laser transmissions, overcoming challenges such as clouds and light pollution. The company will now move on to testing data transmission at high rates. Transcelestial is working on setting up new optical ground stations and has signed agreements with several satellite manufacturers. The company's terminals are smaller and cost less than others, creating a customer base for space-to-ground optical communications. The test is a significant milestone for Transcelestial, which is also planning a data-relay satellite constellation.

💡 Why It Matters

· Transcelestial's success in detecting and tracking laser transmissions paves the way for faster and more reliable space-to-ground communications, outpacing traditional radio-frequency links.
· NASA's recent demonstration of optical communications on the Artemis 2 mission has sparked interest in the technology, driving demand for Transcelestial's terminals.

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