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TACSAT-4 solar cell experiment: Advanced solar cell technologies in a high radiation environment

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16 Author(s)
Phillip Jenkins ; US Naval Research Laboratory, 4555 Overlook Ave SW, Washington, DC 20375, USA ; Michael Krasowski ; Norman Prokop ; Robert Walters
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The TACSAT-4 Solar Cell Experiment will measure the current and voltage characteristics of advanced EMCORE BTJM solar cells thinned to 100 microns and ATJM cells under an 8.5X ENTECH Stretched Lens. TACSAT-4 will fly in a highly elliptical orbit, passing through the electron and proton belts every six hours. This orbit is expected to induce a 25% power reduction in one year due to radiation damage. In addition to demonstrating these new technologies, TACSAT-4 will also demonstrate a radiation hard solar cell measurement circuit designed to a simple interface capable of meeting the standard requirement for future solar arrays built to the AIAA S-122-2007, ¿Electrical Power Systems for Unmanned Spacecraft.¿ TACSAT-4 will launch in September of 2009.

Published in:

Photovoltaic Specialists Conference (PVSC), 2009 34th IEEE

Date of Conference:

7-12 June 2009