LED Sun Photometry

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.

Become a member of OSA or log in to view the full text of this article.

OSA Members get the full text of Optics & Photonics News, plus a variety of other member benefits.


Add a Comment

comments powered by Disqus