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First laser beam transmission from 16 million kilometres away received by Earth!

Posted on November 23, 2023 By Haley Bennett

Breaking News: NASA’s Deep Space Optical Communications (DSOC) Experiment Makes Major Breakthrough in Space Communication

As we voyage deeper into space, the challenge of communicating becomes increasingly difficult. Even missions close to Earth, like India’s Chandrayaan-3 lunar mission, rely on computer simulations instead of live communication feeds due to the reliance on radio waves. Despite being somewhat reliable, radio waves struggle to carry as much data as other types of emissions.

However, NASA’s DSOC experiment has achieved a major breakthrough in this area. Travelling on NASA’s Psyche spacecraft, the experiment successfully transmitted data via a near-infrared laser to Earth from a distance of 16 million kilometres — 40 times the distance between Earth and the Moon. This marks the first time such capabilities have been demonstrated with near-infrared emissions.

Laser beams offer a distinct advantage over radio waves, as they can transmit much more data at significantly higher speeds. The DSOC technology aims to achieve transmission rates 10 to 100 times greater than current top radio communication systems. This breakthrough will enable immense amounts of information about the cosmos to be transmitted and aid in the development of next-generation space satellites capable of capturing higher-resolution data. It will also allow for live video streams from the surface of Mars, providing real-time glimpses of the Red Planet’s landscapes.

Despite these advancements, there are still challenges to overcome, such as precisely aligning laser beams over long distances and compensating for signal weakening as the laser beam travels. During a recent test, it took approximately 50 seconds for the data-carrying photons to travel from Psyche to Earth. When Psyche reaches its farthest point, this delay will extend to around 20 minutes, requiring real-time adjustments to ensure uninterrupted communication.

Meera Srinivasan, operations lead for DSOC at JPL, noted that the test was a formidable challenge, but for a short time, they were able to transmit, receive, and decode some data. The DSOC experiment represents a significant step forward in space communication, paving the way for faster, more reliable data transmission from deep space.

Haley Bennett

I have over 10 years of experience in the cryptocurrency industry and I have been on the list of the top authors on LinkedIn for the past 5 years. I have a wealth of knowledge to share with my readers, and my goal is to help them navigate the ever-changing world of cryptocurrencies.

Business Tags:deep space optical communications, earth, jpl, laser, mars, moon, nasa, psyche, radio, space

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