Eye Safety
Overview Eye safety is a prominent topic for any optics technology. Since FSO products, especially in urban areas, will be directing…
Read MoreSmart Antennae
Overview Smart antennae are antenna arrays with smart processing algorithms and are used in identifying spatial signals. A smart antenna takes…
Read MoreFSO Overview and Key Terms
Overview Free-Space Optics (FSO) communication, also called free-space optical communication, is an optical communication technology that uses light propagating in free…
Read MoreInterception Resistance
Overview FSO communications have built-in interception resistance due to the way information is sent. Consider first how a radio-frequency signal is…
Read MoreSpace Development Agency (SDA)
The Space Development Agency (SDA) is a United States government entity that researches, develops, and fields next-generation technology for the United…
Read MoreWavelength Division Multiplexing (WDM)
Overview Wavelength division multiplexing (WDM) is the combination of many optical signals into one transmission medium. Rather than sending a signal…
Read MoreFSO Physical Limitations
Some FSO Limitations include the following: Obstructions Flying birds, trees, and tall buildings can temporarily block a single beam when it…
Read MoreOptical Inter-Satellite Links (OISL)
Overview Inter-Satellite Links (ISL) allow satellites to communicate with each other in a constellation. Optical Inter-Satellite Links (OISL) are ISLs that utilize…
Read MoreOptical Limitations
Absorption Absorption is caused by molecules suspended in the terrestrial atmosphere interacting with an incident photon and absorbing some or all…
Read MoreQuantum Key Distribution (QKD)
Overview Quantum Key Distribution (QKD) is a communications method which uses a cryptographic protocol involving components of quantum mechanics. It is…
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