OPALS (Optical Payload for Lasercomm Science) is an optical communication in outer space experiment developed at NASA's Jet Propulsion Laboratory for the International Space Station. It will test the potential for using an optical laser to transmit data, at much higher rates than traditional space-based RF communications, to Earth from space. It was launched to the orbital station aboard a SpaceX Falcon 9 rocket on 18 April 2014, as part of the unpressurized payload cargo of the SpaceX CRS-3 Dragon spacecraft.
- OPALS Project page at JPL
- David G. Aviv (2006): Laser Space Communications, ARTECH HOUSE. ISBN 1-59693-028-4.
- OPALS details on sensors/cameras, mounting locations, etc.
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