NDLI: Electro-optic lightning detector

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Electro-optic lightning detector

Content Provider	NASA Technical Reports Server (NTRS)
Author	Solakiewicz, Richard J. Koshak, William J.
Copyright Year	1996
Description	The design, alignment, calibration, and field deployment of a solid-state lightning detector is described. The primary sensing component of the detector is a potassium dihydrogen phosphate (KDP) electro-optic crystal that is attached in series to a flat plate aluminum antenna; the antenna is exposed to the ambient thundercloud electric field. A semiconductor laser diode (lambda = 685 nm), polarizing optics, and the crystal are arranged in a Pockels cell configuration. Lightning-caused electric field changes are related to small changes in the transmission of laser light through the optical cell. Several hundred lightning electric field change excursions were recorded during five thunderstorms that occurred in the summer of 1998 at the NASA Marshall Space Flight Center (MSFC) in northern Alabama.
File Size	1047424
Page Count	31
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19990036563
Archival Resource Key	ark:/13960/t7pp41k7r
Language	English
Publisher Date	1996-01-01
Access Restriction	Open
Subject Keyword	Meteorology And Climatology Laser Outputs Calibrating Crystals Deployment Design Analysis Alignment Lightning Potassium Phosphates Electro-optics Detection Electric Fields Antennas Atmospheric Electricity Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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