A SIMPLE INTEGRATING PHOTOMETER
- 1 March 1972
- journal article
- Published by Wiley in New Phytologist
- Vol. 71 (2) , 407-413
- https://doi.org/10.1111/j.1469-8137.1972.tb04087.x
Abstract
Summary: A selenium photovoltaic cell coupled to a mercury electrolytic coulometer makes a useful integrating photometer with the following features: linear response to a wide range of intensities; high sensitivity from 400 to 650 nm; cosine light collection; no power requirements, minimum circuitry; robust, resistant to all environmental conditions; small size, easy construction and low cost. Results from use underwater show good correlation with expected light attenuation and readings can easily be converted to absolute light energy units.Keywords
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