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LED Sun Photometry

Open Access Open Access

Abstract

Twenty years ago, amateur scientist Forrest Mims revolutionized the field of sun photo-metry by devising an inexpensive filterless method of detecting sunlight that uses LEDs as spectrally selective photodiodes. He has been working ever since to develop improved instruments and collect measurements of atmospheric aerosols and water vapor.

© 2009 Optical Society of America

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