NASA Turns to Laser Communications System for Data Transfer Boost - IDEX Health & ScienceIDEX Health & Science


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    NASA Turns to Laser Communications System for Data Transfer Boost

    Article obtained from Photonics RSS Feed.

    This summer, NASA will launch its Laser Communications Relay Demonstration (LCRD), setting the stage for high-speed transmission of data between planets.

    NASA missions have been using the same technology — radio frequency communications — since the 1950s and the beginning of spaceflight.

    With the advent of technologies such as 4K video, limits to radio technology have become increasingly evident. To transmit a complete map of Mars, it would take roughly nine weeks with current radio technologies. With lasers, it would take about nine days.
    Graphic representation of the difference in data rates between radio and laser communications. Courtesy of NASA.
    Additionally, laser communications systems take up less…

    May, 17 2021 |

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