Prototype of a coherent tracking and detection receiver with wideband vibration compensation for free-space laser communications

Dirk Giggenbach; Anton Schex; Bernhard Wandernoth

doi:10.1117/12.238411

22 April 1996 Prototype of a coherent tracking and detection receiver with wideband vibration compensation for free-space laser communications

Dirk Giggenbach, Anton Schex, Bernhard Wandernoth

Author Affiliations +

Proceedings Volume 2699, Free-Space Laser Communication Technologies VIII; (1996) https://doi.org/10.1117/12.238411
Event: Photonics West '96, 1996, San Jose, CA, United States

Abstract

The Optical Communications Group of the German Aerospace Research Establishment (DLR) has investigated the feasibility of a fiberless receiver telescope for high sensitive coherent optical space communication, resulting in an elegant pointing, acquisition and tracking (PAT) concept. To demonstrate the feasibility of this new concept, an optical receiver terminal that coherently obtains both the spatial error signal for tracking and the data signal with only one set of detectors has been built. The result is a very simple and compact setup with few optical surfaces. It does not require fibers for superpositioning and is capable to compensate for microaccelerations up to about one kilohertz.

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Dirk Giggenbach, Anton Schex, and Bernhard Wandernoth "Prototype of a coherent tracking and detection receiver with wideband vibration compensation for free-space laser communications", Proc. SPIE 2699, Free-Space Laser Communication Technologies VIII, (22 April 1996); https://doi.org/10.1117/12.238411

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