https://www.jpl.nasa.gov/news/nasas-optical-comms-demo-transmits-data-over-140-million-miles

NASAโ€™s Optical Comms Demo Transmits Data Over 140 Million MilesNASAโ€™s Deep Space Optical Communications experiment also interfaced with the Psyche spacecraftโ€™s communication system for the first time, transmitting engineering data to Earth.www.jpl.nasa.gov






๋‚˜์‚ฌ์˜ ์žฅ๊ฑฐ๋ฆฌ ๋ ˆ์ด์ € ๊ด‘ํ†ต์‹  ์‹œ์Šคํ…œ์ธ ์‹ฌ์šฐ์ฃผ ๊ด‘ํ†ต์‹  Deep Space Optical Communications (DSOC) ์‹œ์Šคํ…œ์ด ์—ญ๋Œ€ ์ตœ๋Œ€ ๊ฑฐ๋ฆฌ์ธ 2์–ต 2600๋งŒkm (1์–ต 4์ฒœ๋งŒ ๋งˆ์ผ) ๊ฑฐ๋ฆฌ์—์„œ 25Mbps ์ด์ƒ์˜ ์†๋„๋กœ ๋ฐ์ดํ„ฐ๋ฅผ ๋ณด๋ƒˆ๋‹ค๋Š” ์†Œ์‹์ž…๋‹ˆ๋‹ค. ์ด ๋ฐ์ดํ„ฐ ์ „์†ก์€ ์ง€๋‚œ 4์›” 8์ผ ์ด๋ค„์กŒ์œผ๋ฉฐ ์˜๋ฏธ์‹ฌ์žฅํ•˜๊ฒŒ๋„ ํ™”์„ฑ ๊ถค๋„ ๋ฐ–์—์„œ ์ด๋ค„์ ธ ์ง€๊ตฌ - ํ™”์„ฑ๊ฐ„ ๊ณ ์† ์šฐ์ฃผ ๊ด‘ํ†ต์‹  ๊ฐ€๋Šฅ์„ฑ์„ ๋†’์˜€์Šต๋‹ˆ๋‹ค.ย 



https://youtu.be/GvJtVOmFs5Q



ํ”„์‹œ์ผ€ ํƒ์‚ฌ์„ ์€ ๊ณ„์†ํ•ด์„œ ์ง€๊ตฌ์—์„œ ๋ฉ€์–ด์ง€๊ณ  ์žˆ๊ธฐ ๋•Œ๋ฌธ์— ์ด๋ณด๋‹ค ๋” ๋จผ ๊ฑฐ๋ฆฌ์—์„œ๋„ ๊ด‘ํ†ต์‹ ์ด ๊ฐ€๋Šฅํ•œ์ง€ ๊ฒ€์ฆํ•  ์ˆ˜ ์žˆ์„ ๊ฒƒ์ž…๋‹ˆ๋‹ค. ์ˆ˜์–ต km ๋‚ ์•„์˜ค๋ฉด์„œ ํฉ์–ด์ง„ ๊ด‘์ž๋ฅผ ๊ฐ์ง€ํ•˜๋Š” ๋ฏผ๊ฐํ•œ ์„ผ์„œ ๋•๋ถ„์— ์–ด์ฉŒ๋ฉด ๋ชฉ์„ฑ ๊ถค๋„ ๊ทผ๋ฐฉ์—์„œ๋„ ํ†ต์‹ ์ด ๊ฐ€๋Šฅํ• ์ง€๋„ ๋ชจ๋ฆ…๋‹ˆ๋‹ค.