User contributions
30 July 2015
OpComms System II
Created page with "System II was the OpComms group's second attempt at an optical link. This system featured motorized mounts, a commercial photodetector, and an upgrade to lasers, from the ear..."
System I
Redirected page to OpComms System I
OpComms System I
Created page with "System I was the OpComms group's first attempt at an optical communication system. It used an LED matrix for transmission and a homemade receiver circuit to receive the signa..."
Precision Aiming
no edit summary
m+73
Precision Aiming
no edit summary
m+77
Aiming
Redirected page to Precision Aiming
Beam divergence
Redirected page to Beam Divergence
Precision Aiming
Created page with "If the beam divergence of a transmitter is small, i.e. it forms a tighter cone, then more power actually reaches the receiver. However, low divergence means that the beam..."
Scintillation
Created page with "The index of refraction of air depends on many factors, including temperature, humidity, and density. If coherent (in phase) laser light travels through an inhomogeneous mediu..."
Divergence
Redirected page to Beam Divergence
Beam Divergence
Created page with "The path of light emitted from an aperture can be approximated by a cone. The divergence is usually specified as the half-angle of the two-dimensional triangle formed by the e..."
Optical Internet Backhaul
Created page with "Optical communication provides significantly better transmission speeds than copper wiring or conventional wireless communications, and so for high-traffic, high-speed network..."
Optical Communication Record
Redirected page to Amateur Optical Communication Record
Amateur Optical Communication Record
no edit summary
m+7
Amateur Optical Communication Record
Created page with "The current amateur radio record for long distance terrestrial optical communication is ~173 mi (278.4km), set in 2008. The record-holders maintain an extensive website at mod..."
JPL 1U Optical Communications Terminal
Created page with "Although not yet flown, JPL has mature designs for a 1U lasercomm terminal to be flown on a future CubeSat. The terminal features a 6 cm transmit/receive aperture and has been..."
OPALS
Created page with "OPALS (Optical Payload for Lasercomm Science) is an optical communications link module developed by JPL and mounted on the International Space Station. It established a 50 Mbp..."
LLCD
Redirected page to LADEE
LADEE
Created page with "The Lunar Laser Communications Demonstration (LLCD) was part of the Lunar Atmosphere and Dust Environment Explorer (LADEE) mission in 2013, a collaboration between NASA and MI..."
Fitsat
Redirected page to FitSat-1
FitSat-1
Created page with "FITSAT-1 was a small satellite launched on October 4, 2012 by the Japan Aerospace Exploration Agency (JAXA). It included green power LED’s and an experimental video transmit..."
Cubequest
Redirected page to CubeQuest Challenge
CubeQuest
Redirected page to CubeQuest Challenge
SPOT
Redirected page to ARTEMIS and SPOT-4
SPOT-4
Redirected page to ARTEMIS and SPOT-4
ARTEMIS
Redirected page to ARTEMIS and SPOT-4
OICETS
Created page with "OICETS (Optical Interorbit Communications Engineering Test Satellite), or Kirari, was a JAXA mission begun in 1993 and launched in 2005. The satellite was a 570 kg payload des..."
ARTEMIS and SPOT-4
Created page with "ARTEMIS and SPOT-4 were two European satellites that established an 830 nm intersatellite link as part of an ESA/CNES mission. Unlike many technical demonstrations, the optica..."
CubeQuest Challenge
no edit summary
+2
CubeQuest Challenge
Created page with "In 2015, NASA officially launched the CubeQuest Challenge. This multi-branched competition has two classes of culminating challenges: the Lunar Derby and the Deep Space Derby...."