NASA is upgrading the ISS communication system with the first end-to-end laser relay system.
These experiments have also demonstrated the benefits of laser relay communications in geosynchronous orbit by beaming data between two ground stations: Optical Ground Station -1 in California and“Once ILLUMA-T is on the space station, the terminal will send high-resolution data, including pictures and videos to LCRD at a rate of 1.2 gigabits-per-second. Then, the data will be sent from LCRD to
in Hawaii and California. This demonstration will show how laser communications can benefit missions in low Earth orbit.”, also known as “Kibo” . The ILLUMA-T team will then perform preliminary testing and in-orbit checkouts, followed by a first light test, where the mission will transmit its first beam of laser light through its optical telescope to the LCRD. These tests build on previous experiments, including the 2022, which is currently testing laser communications on small CubSat in LEO.
NASA’s Laser Communications Roadmap: Demonstrating laser communications capabilities on multiple missions in various space regimes. Credit: NASA/Dave Ryan
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