Applied Research, LLC

Richard J Harms

James H Kinsey

A method for measuring and monitoring the biological effects of UV-B radiation along with an instrument for implementing this method. The biological UV-B effect monitor generally includes a first photodetector sensitive to UV-B only, a second photodetector sensitive to visible light only, and a microprocessor for normalizing the UV-B response relative to the visible response and applying one or more stored biologic response algorithms to the measured and normalized UV-B value to produce a biologic response output signal.

Biological UV-B effect monitoring instrument and method

A method for measuring total column ozone in the atmosphere and an instrument for implementing this method is disclosed. The ozone meter generally includes a first photodetector sensitive to UV-B only, a second photodetector sensitive to visible light only, a position-sensitive detector for measuring solar zenith angle and a microprocessor for normalizing the UV-B response relative to the visible response and applying one or more stored algorithms to the measured and normalized UV-B value and solar zenith angle to correlate total column ozone to a set of measured or modeled surface irradiances covering a wide range of solar zenith angles and total column ozone values.

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Alexandria, VA, United States of America

Richard J Harms