New profiling spectroradiometer optimized for use in the ultraviolet

Charles Rockwell Booth; John H. Morrow; David A. Neuschuler

doi:10.1117/12.140662

31 December 1992 New profiling spectroradiometer optimized for use in the ultraviolet

Charles Rockwell Booth, John H. Morrow, David A. Neuschuler

Proceedings Volume 1750, Ocean Optics XI; (1992) https://doi.org/10.1117/12.140662
Event: San Diego '92, 1992, San Diego, CA, United States

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.

Citation Download Citation

Charles Rockwell Booth, John H. Morrow, and David A. Neuschuler "New profiling spectroradiometer optimized for use in the ultraviolet", Proc. SPIE 1750, Ocean Optics XI, (31 December 1992); https://doi.org/10.1117/12.140662

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