Advanced Research in Telecommunication Systems (ARTES)
Overview The European Space Agency’s Advanced Research in Telecommunication Systems (ESA’s ARTES) is a program focused on developing products and services…
Read More5D Ultrafast Imaging
Overview Ultrafast multidimensional optical imaging has important applications in the detection of the rapidly occurring phenomena found in biology, chemistry, and…
Read MoreCoherent Orthogonal Optical Frequency Division Multiplexing (CO-OFDM)
Overview Coherent Orthogonal Optical Frequency Division Multiplexing (CO-OFDM) is a type of WDM technology that uses the mathematical principle of orthogonality to send…
Read MoreGeostationary Orbit (GEO)
Overview Geostationary orbit, also known as geosynchronous equatorial orbit (GEO), is the region of space surrounding earth above 35,786 km. Satellites…
Read MoreGlobal Positioning System (GPS)
Overview The Global Positioning System (GPS) is a MEO satellite constellation approximately 20,000 km above the surface of the Earth. The US government originally developed GPS…
Read MoreBlackJack LEO Constellation
Overview Blackjack is a DARPA program that will replace the old National Security Space (NSS) satellite infrastructure in GEO with a mesh grid…
Read MoreAdaptive Optics
Overview Adaptive optics (AO) are optical devices or technologies used to correct wavefront distortions on a fast timescale (100 – 1kHz).…
Read MoreWhat Are Physical Limitations of FSO?
Obstructions Flying birds, trees, and tall buildings can temporarily block a single beam when it appears in line of sight (LOS)…
Read MoreBit-Error Rate (BER)
Overview The bit-error rate (BER) is the number of countable bit errors encountered in a data stream over a certain period…
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