Research and development optical deep space antenna sizing study

Details Research and development optical deep space antenna sizing study Research and development optical deep space antenna sizing study

Aug 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994tdar.nasa..115w&link_type=abstract

In its The Telecommunications and Data Acquisition Report p 115-124 (SEE N95-14620 03-32)

Physics

Optics

Adaptive Optics, Antenna Design, Apertures, Deep Space Network, Energy Consumption, Laser Outputs, Optical Communication, Receivers, Satellite Tracking, Space Communication, Transmitters, Ground Stations, Mission Planning, Power Efficiency, Radio Frequencies

Scientific paper

Results from this study provide a basis for the selection of an aperture size appropriate for a research and development ground-based receiver for deep space optical communications. Currently achievable or near-term realizable hardware performance capabilities for both a spacecraft optical terminal and a ground terminal were used as input parameters to the analysis. Links were analyzed using OPTI, our optical link analysis program. Near-term planned and current missions were surveyed and categorized by data rate and telecommunications-subsystems prime power consumption. The spacecraft optical-terminal transmitter power was selected by matching these (RF) data rates and prime power requirements and by applying power efficiencies suitable to an optical communications subsystem. The study was baselined on a Mars mission. Results are displayed as required ground aperture size for given spacecraft transmitter aperture size, parametrized by data rate, transmit optical power, and wavelength.

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