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Updated: May 8, 2026
11:34
Scattering And Absorption of Light in Planetary Regoliths
Published on: July 1, 2019
A new approach to measure the volume scattering function.
Hiroyuki Tan1, Roland Doerffer, Tomohiko Oishi
1Institute for Coastal Research, Helmholtz-Zentrum Geesthacht, Center for Materials and Coastal Research, Max-Planck Strasse 1, D-21502 Geesthacht, Germany. Hiroyuki.Tan@hzg.de
Optics Express
|August 14, 2013
Summary
A new optical instrument rapidly measures the volume scattering function (VSF) across many angles and wavelengths. This advancement aids ocean color remote sensing algorithm development, especially for coastal waters.
Area of Science:
- Optical physics
- Oceanography
- Remote sensing
Background:
- Accurate measurement of the volume scattering function (VSF) is crucial for understanding light propagation in aquatic environments.
- Existing methods for VSF measurement can be time-consuming and limited in angular or spectral resolution.
Purpose of the Study:
- To introduce a novel optical instrument for rapid and comprehensive VSF measurement.
- To enable simultaneous determination of VSF across a wide range of angles and wavelengths.
- To improve radiative transfer models and ocean color remote sensing algorithms.
Main Methods:
- Development of a novel optical instrument utilizing a unique two-reflector design for image detection.
- Simultaneous measurement of VSF from 8° to 172° at 1° intervals within seconds.
- Determination of spectral VSF across the full visible spectrum with optional wavelength resolution.
Main Results:
- Instrument performance validated against theoretical scattering functions under controlled conditions.
- Significant variations in VSF and spectral characteristics observed for different cultured phytoplankton species.
- Demonstrated capability for rapid, wide-angle, and spectral VSF measurements.
Conclusions:
- The developed scattering meter offers significant advantages in speed and angular/spectral coverage.
- Observed VSF variations in phytoplankton highlight the need for refined optical models.
- This technology is expected to enhance ocean color remote sensing, particularly in coastal regions.
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