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FSO Frequently Asked Questions - FAQ History of FSO
Free Space Optics has long been used by the military and space agencies such as NASA to provide high-speed wireless communications using non-radio media. Early commercial applications for FSO were to provide CCTV video connections and remote LAN-extension services. Over the past 5 years, FSO has emerged from a niche to provide mainstream network infrastructure for corporate, government, education, wireless carrier and telecom networks. To find out more, please visit:
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Early experiments in
FSO included demonstrations by Alexander Graham Bell, which preceded his
invention of the telephone. Bell used beams of light to transmit voice
conversations through the air, which he dubbed the 'photophone'. Though
Bell's experiment never translated into a commercial device, the principle
of FSO was proved.
