Spectral Transmissometer And Radiometer: Design And Initial Results

Kendall L Carder; Robert G Steward; Thomas G Peacock; Paul R Payne; Wayne Peck

doi:10.1117/12.945723

12 August 1988 Spectral Transmissometer And Radiometer: Design And Initial Results

Kendall L Carder, Robert G Steward, Thomas G Peacock, Paul R Payne, Wayne Peck

Proceedings Volume 0925, Ocean Optics IX; (1988) https://doi.org/10.1117/12.945723
Event: 1988 Technical Symposium on Optics, Electro-Optics, and Sensors, 1988, Orlando, FL, United States

Abstract

A new solid-state spectral transmissometer and radiometer is described. The radiometer measures upwelling radiance, downwelling irradiance, and beam transmittance from 390.to 750 nm with channel widths of 2.35 nm. The spectrometer consists of a 256 element CCD linear array collecting light dispersed by a reflection grating in a modified Littrow configuration. The spectrometer is time and space-shared among the three signal types. The instrument has been deployed as a free-drifting buoy and in the profiling mode, with data stored internally on a magnetic bubble memory or sent up a conducting cable as desired. Power can be supplied either by a detachable external battery pack or through conducting cable. The instrument has been deployed in the oligotrophic North Pacific Central Gyre and in the eutrophic Straits of Juan de Fuca, and preliminary results for each region are discussed.

Citation Download Citation

Kendall L Carder, Robert G Steward, Thomas G Peacock, Paul R Payne, and Wayne Peck "Spectral Transmissometer And Radiometer: Design And Initial Results", Proc. SPIE 0925, Ocean Optics IX, (12 August 1988); https://doi.org/10.1117/12.945723

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