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Proceedings Paper

New profiling spectroradiometer optimized for use in the ultraviolet
Author(s): Charles Rockwell Booth; John H. Morrow; David A. Neuschuler
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Paper Abstract

Optical sensors for use in oceanographic instruments must be designed to operate over a wide dynamic range, both spectrally from the UV through the visible region, and radiometrically as flux is lost with increasing depth. The output from a discrete sensor results from the convolution of the sensor's spectral response with the spectral distribution of irradiance, which changes radically with depth. Thus, a number of factors must be optimized in the instrument design. This is particularly true in the ultraviolet, where spectral leakage from longer wavelengths may significantly influence the output of a sensor at depth. This paper presents a theoretical basis for the evaluation of discrete sensor performance, with special emphasis on sensors for use in the ultraviolet region of the spectrum. The analysis includes a detailed description of the calibration and spectral response function for two channels of a new UV radiometer, the PUV-500, and compares this description with data taken in clear ocean waters in the equatorial Pacific. Finally, a theoretical analysis of two channels of the instrument, 308 and 340 nm, is used to evaluate the potential for measuring total column ozone with this design.

Paper Details

Date Published: 31 December 1992
PDF: 12 pages
Proc. SPIE 1750, Ocean Optics XI, (31 December 1992); doi: 10.1117/12.140662
Show Author Affiliations
Charles Rockwell Booth, Biospherical Instruments, Inc. (United States)
John H. Morrow, Biospherical Instruments, Inc. (United States)
David A. Neuschuler, Biospherical Instruments, Inc. (United States)

Published in SPIE Proceedings Vol. 1750:
Ocean Optics XI
Gary D. Gilbert, Editor(s)

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