Large-aperture search receiver design for unknown laser frequency signals

Monte Ross

doi:10.1117/12.243437

24 June 1996 Large-aperture search receiver design for unknown laser frequency signals

Monte Ross

Proceedings Volume 2704, The Search for Extraterrestrial Intelligence (SETI) in the Optical Spectrum II; (1996) https://doi.org/10.1117/12.243437
Event: Photonics West '96, 1996, San Jose, CA, United States

Abstract

A detailed design approach is given for a low-cost, large aperture laser reciever capable of detecting and recognizing short laser pulses of unknown frequency. The design results from development of three basic rules for detection of extraterrestrial signals. The paper looks at both frequency and time domain issues, and configures a specific design to accomplish detection and recognition. This design enables a large aperture system that costs orders of magnitude less than that of a diffraction-limited astronomical telescope of equivalent capability for detection of SETI laser pulses. Implementation of this design will enable the detection of laser signals, if present, that have previously been undetectable.

Citation Download Citation

Monte Ross "Large-aperture search receiver design for unknown laser frequency signals", Proc. SPIE 2704, The Search for Extraterrestrial Intelligence (SETI) in the Optical Spectrum II, (24 June 1996); https://doi.org/10.1117/12.243437

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KEYWORDS

Signal detection

Stars

Receivers

Telescopes

Mirrors

Photodetectors

Fourier transforms

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