10-Gb/s lasercom system for spacecraft

J. Kovalik; H. Hemmati; A. Biswas

doi:10.1117/12.908644

22 February 2012 10-Gb/s lasercom system for spacecraft

J. Kovalik, H. Hemmati, A. Biswas

Proceedings Volume 8246, Free-Space Laser Communication Technologies XXIV; 82460F (2012) https://doi.org/10.1117/12.908644
Event: SPIE LASE, 2012, San Francisco, California, United States

Abstract

JPL is developing and testing a 10 Gb/s laser communications terminal for use with earth-orbiting spacecraft. The system consists of an optical transceiver head on a two-axis gimbal with a separate electronics assembly that contains the avionics, modem and laser. The link is achieved by multiplexing on the flight terminal four 0.5-W lasers in the C-band that are modulated at up to 2.5 Gb/s; transmitted through a 5-cm aperture; and received by a 1m ground aperture. A description of the system together with experimental tests of a prototype is presented.

Citation Download Citation

J. Kovalik, H. Hemmati, and A. Biswas "10-Gb/s lasercom system for spacecraft", Proc. SPIE 8246, Free-Space Laser Communication Technologies XXIV, 82460F (22 February 2012); https://doi.org/10.1117/12.908644

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