Advanced Filters Help Space Lasers Deliver Internet from Above | Features | Mar 2024

Advanced optical filters are improving laser-based satellite communications by enabling ‘more signal and less background.’

JASON PALIDWAR, IRIDIAN SPECTRAL TECHNOLOGIES, AND DAVID SAMUELS, ADVANCED THIN FILMS

Rapid, on-demand access to information is a necessary facet of daily life in the present “age of communications.” The reliable communication links that society necessitates support person-to-person and device-to-device communications at any time and, increasingly, in any place.

Such assurances of connectivity owe to the massive technological strides of the past half century. Now, as with many technology hallmarks of the previous 50 years — spanning hardline telephony to the current ubiquitous smart devices — the pending evolution in the field of communications is poised to require a substantially broadened reach. Networks must extend beyond the existing and forthcoming…



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