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  1. 15 Φεβ 2015 · Optical communications provide advantages over radio links, including higher antenna gains due to shorter wavelengths, but require more accurate pointing and tracking. The document outlines examples of optical ISL applications and global satellite networks using interconnected satellites.

  2. PowerPoint Presentation. Introduction to Optical Communications for Satellites. Dr. Suzana Sburlan (JPL) RF vs. Optical. Fundamental Parameters. wavelength / frequency. RF = 300 kHz – 300 GHz. optical = 300 Terahertz. aperture size (antenna size / telescope size) range - distance between transmitter and receiver.

  3. 4 Απρ 2024 · The presentation covers link design considerations for optical satellite communication like wavelength, polarization, link budgets, pointing, acquisition, and tracking. It provides an overview of a direct detection optical ground terminal, describing its main components - the terminal head unit and remote electronics module.

  4. Introduction to Optical Communications for Satellites. Dr. Michael Küppers (ESA/ESAC) Dr. Suzana Sburlan (JPL) . Telecommunications in space. Uplink of commands from ground station to spacecraft. Downlink of telemetry from spacecraft to ground . Determination of spacecraft position and velocity.

  5. This paper involves the development of two experimental blocks for implementing an inter-satellite optical communication system using a semiconductor laser type. It aims at the definition and analysis of the elements of the two circuits, at the transmitter subsystem and includes the design for the production of printed circuit boards (PCB).

  6. The document outlines the key requirements for optical satellite communication systems, including low size, weight and power for satellites. It discusses applications in security, defense, television and military.

  7. 13 Ιαν 2012 · ESA EDRS and EU/ESA Sentinels are under development with the aim to create an operational optical Earth relay capability for the Sentinel series of spacecraft (ISL: optical, Feeder Link: RF) ESA is developing an optical communication solution for small Earth observation satellites in LEO to ground (Optel-µ).

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