tldrdaily.news logo
Tag

Optical Communications

All articles tagged with #optical communications

space-technology1 year ago

"NASA Successfully Beams Laser Message 10 Million Miles to Earth"

NASA successfully beamed messages via laser across a distance of almost 16 million kilometers (10 million miles) in a test, marking the first time optical communications have been sent across such a distance. This achievement, part of NASA's Deep Space Optical Communications (DSOC) experiment, paves the way for higher-data-rate communications capable of sending scientific information, high-definition imagery, and streaming video in deep space. The test was conducted using a laser transceiver on board the Psyche spacecraft, and further refinement and testing will continue to ensure the effectiveness and reliability of this innovative near-infrared laser communication method for future deep space missions.

via ScienceAlert|
#deep-space#laser-communication#nasa
space-technology2 years ago

"Revolutionizing Space Communication: NASA's Laser Tech Demo Transmits Record-Breaking Video from Deep Space"

NASA's Deep Space Optical Communications experiment successfully streamed an ultra-high definition video from a record-setting 19 million miles away, marking a significant milestone in advancing optical communications for future deep space missions. The technology demonstration aims to transmit data from deep space at rates 10 to 100 times faster than current radio frequency systems. The video, featuring an orange tabby cat named Taters, was transmitted via a flight laser transceiver and reached Earth in 101 seconds, showcasing the potential for high-bandwidth video transmission in support of future human missions beyond Earth orbit.

via NASA Jet Propulsion Laboratory|
#deep-space#laser#nasa
space-technology2 years ago

Revolutionizing Space Communication: NASA's Breakthrough Laser Technology

Laser communications are becoming increasingly important for space exploration, with recent advancements in the field. Two test missions, ILLUMA-T and Psyche, have successfully demonstrated data exchange using laser communication systems. The upcoming Artemis II mission plans to carry the Optical Communications System (O2O), which will enable live footage transmission from cis-lunar space. Laser communication systems offer higher data transmission rates and capacity compared to traditional radio wave communication, allowing for increased data volume and improved scientific measurements. However, integrating laser communication into existing systems like the International Space Station presents additional challenges.

via NASASpaceflight.com|
#data-transmission#iss#laser-communications
space2 years ago

"NASA's Psyche Mission: First Light and Instrument Testing"

NASA's Psyche spacecraft, on its way to the metallic asteroid 16 Psyche, has captured its "first light" images 26 million kilometers away from Earth. The images, taken by the spacecraft's Multispectral Imager instrument, show stars in the constellation Pisces. The team captured 68 images to test and calibrate the instrument and its filters, which will allow scientists to observe the asteroid in different wavelengths of light and analyze its composition. In addition to the imaging milestone, the spacecraft also successfully tested the Deep Space Optical Communications (DSOC) experiment, which aims to demonstrate optical communications using laser beams in deep space. If successful, this technology could significantly increase transmission rates for future space missions. Psyche also carries other instruments, including a magnetometer, gamma-ray and neutron spectrometer, and X-band radio communications system, which will be used to study the asteroid's magnetic field, elemental composition, and gravity field, respectively.

via NASASpaceflight.com|
#asteroid#instruments#nasa
science-and-technology2 years ago

NASA's Laser Communication Breakthrough: Messages Sent Millions of Miles Away

NASA has successfully tested a laser-based communication method called Deep Space Optical Communications (DSOC), which sent data over 16 million kilometers. The system aims to improve data links between Earth and spacecraft exploring deep space, allowing for faster transmission of large amounts of data. The laser communication method takes up less space and uses less energy compared to traditional radio frequency systems. This successful test represents the farthest-ever demonstration of optical communications and is a significant milestone in NASA's goal of sending humans to Mars.

via VOA Learning English|
#data-transmission#deep-space#laser-communication
technology2 years ago

Structured light enables noise-free communication, say researchers.

Researchers at the University of the Witwatersrand have developed a new optical communication protocol that exploits spatial patterns of light for multi-dimensional encoding in a manner that does not require the patterns to be recognized, thus overcoming the prior limitation of modal distortion in noisy channels. The result is a new encoding state-of-the-art of over 50 vectorial patterns of light sent virtually noise-free across a turbulent atmosphere, opening a new approach to high-bit-rate optical communication.

via Phys.org|
#multi-dimensional-encoding#noise-free-communication#optical-communications
space2 years ago

SpaceX successfully launches Arabsat's Badr-8 satellite into orbit.

SpaceX launched the Badr-8 satellite for Saudi Arabia-based fleet operator Arabsat, equipped with a jamming-resistant optical communications payload demonstrator. The satellite is designed to replace and expand Arabsat’s C-band and Ku-band capacity across Europe, Middle East, Africa, and central Asia over its 15-year design life. Badr-8 also carries an experimental photonics feeder link called Teleo, which Airbus developed with support from France’s space agency. The satellite will take several months to reach its 26 degrees east orbital slot, where it would replace Arabsat’s 15-year-old Badr-6 satellite.

via SpaceNews|
#arabsat#badr-8#optical-communications