Paper
28 November 1988 Laser Communication Uplinks And Downlinks
J. L. Conner, T. M. Fletcher
Author Affiliations +
Abstract
The analysis addresses system design requirements and the relevant methodology, subsystem design requirements and component requirements of optical communication terminals for uplinks and downlinks. We focused on the aspects of a communication link and terminals which are unique or different from the traditional RF communication link. The three areas of analysis are: 1) System Engineering and Design of Lasercomm terminals - This analysis includes the major system drivers (wavelength, data rate, bit error rate (BER), detection technique), the optical train (telescope type and diameter, antenna gain, optical losses), pointing and tracking requirements, and candidate link designs (power budgets, terminal designs, and optical schematics). 2) Technology Assessment - An assessment of the current state of the art and expected developments in 1996 is reported. This assessment covers lasers, detectors, optical telescopes and lasercomm systems (maturity, output power, weight and electrical power). 3) Environmental Hazards - Atmospheric propagation hazards such as absorption, scatter, turbulence and cloud cover are discussed, along with interference and radiation.
© (1988) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
J. L. Conner and T. M. Fletcher "Laser Communication Uplinks And Downlinks", Proc. SPIE 0996, High Data Rate Atmospheric and Space Communications, (28 November 1988); https://doi.org/10.1117/12.960167
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CITATIONS
Cited by 2 patents.
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KEYWORDS
Space telescopes

Telescopes

Semiconductor lasers

Carbon dioxide lasers

Receivers

Atmospheric propagation

Sensors

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