GOPEX: a laser uplink to the Galileo spacecraft on its way to Jupiter

Keith E. Wilson; James R. Lesh; Tsun-Yee Yan

doi:10.1117/12.149251

6 August 1993 GOPEX: a laser uplink to the Galileo spacecraft on its way to Jupiter

Keith E. Wilson, James R. Lesh, Tsun-Yee Yan

Proceedings Volume 1866, Free-Space Laser Communication Technologies V; (1993) https://doi.org/10.1117/12.149251
Event: OE/LASE'93: Optics, Electro-Optics, and Laser Applications in Scienceand Engineering, 1993, Los Angeles, CA, United States

Abstract

In the Galileo Optical Experiment (GOPEX), optical transmissions were beamed to the Galileo spacecraft by Earth-based transmitters at Table Mountain Observatory (TMO), California, and Starfire Optical Range (SOR), New Mexico. The demonstration took place over an eight-day period (December 9 through December 16) as Galileo receded from Earth on its way to Jupiter. At 6 million kilometers (15 times the Earth-Moon distance), the laser beam sent from Table Mountain Observatory eight days after Earth flyby covered the longest known range for laser transmission and detection.

Citation Download Citation

Keith E. Wilson, James R. Lesh, and Tsun-Yee Yan "GOPEX: a laser uplink to the Galileo spacecraft on its way to Jupiter", Proc. SPIE 1866, Free-Space Laser Communication Technologies V, (6 August 1993); https://doi.org/10.1117/12.149251

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