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Proceedings Paper

In-situ marine spectral radiometer using frame-addition techniques and its calibration
Author(s): K. D. Moore; Eon O'Mongain; S. Plunkett; Roland Doerffer; Martina Bree
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Paper Abstract

An underwater spectral radiometer has been designed and field tested to measure the in situ apparent optical properties of ocean waters from 400 nm to 800 nm. Light from scalar and vector collectors sensitive to upwelling and downwelling irradiance in the marine light field is relayed locally by fiber optic cables to the slit position of a sealed spectrometer. By simultaneously measuring the upwelling and downwelling scalar and vector irradiances at two depths the system becomes impervious to changing ambient light levels and requires relative rather than absolute calibration of its collector/sensor sensitivities. Capable of descending to 100 meters, the spectrometer images up to ten spectra from the marine environment with 5 nm spectral resolution simultaneously.

Paper Details

Date Published: 10 December 1993
PDF: 13 pages
Proc. SPIE 2048, Underwater Light Measurements, (10 December 1993); doi: 10.1117/12.165502
Show Author Affiliations
K. D. Moore, Univ. College Dublin (Ireland)
Eon O'Mongain, Univ. College Dublin (Ireland)
S. Plunkett, Univ. College Dublin (Ireland)
Roland Doerffer, GKSS Forschungszentrum GmbH (Germany)
Martina Bree, Univ. College Dublin (Ireland)


Published in SPIE Proceedings Vol. 2048:
Underwater Light Measurements
Hans-Christian Eilertsen, Editor(s)

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