Upwelling radiance distribution camera system, NURADS

Kenneth J. Voss, Albert L. Chapin

Research output: Contribution to journalArticle

36 Scopus citations

Abstract

We have built a new fisheye camera radiometer to measure the in-water spectral upwelling radiance distribution. This instrument measures the radiance distribution at six wavelengths and obtains a complete suite of measurements (6 spectral data images with associated dark images) in approximately 2 minutes (in clear water). This instrument is much smaller than previous instruments (0.3 m in diameter and 0.3 m long), decreasing the instrument self-shading. It also has improved performance resulting from enhanced sensor sensitivity and a more subtle lens rolloff effect. We describe the instrument, its characterization, and show data examples from both clear and turbid water.

Original languageEnglish (US)
Pages (from-to)4250-4262
Number of pages13
JournalOptics Express
Volume13
Issue number11
DOIs
StatePublished - May 30 2005

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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