Bidirectional reflectance spectroscopy: 5. The coherent backscatter opposition effect and anisotropic scattering

B Hapke - Icarus, 2002 - Elsevier
A model published previously by the author that describes light scattering from particulate
media is modified to include several improvements:(1) a better approximation to the …

The opposition effect of the moon: Coherent backscatterandshadow hiding

B Hapke, R Nelson, W Smythe - Icarus, 1998 - Elsevier
The electromagnetic scattering properties of Solar System regoliths are commonly
interpreted using the lunar regolith as a prototype. Hence, a thorough understanding of the …

Backscatter model for the unusual radar properties of the Greenland Ice Sheet

E Rignot - Journal of Geophysical Research: Planets, 1995 - Wiley Online Library
A number of planetary objects exhibit large radar reflectivity and polarization ratios, and
more recently, a similar behavior has been observed over a vast portion of the Earth's …

Unusual radar echoes from the Greenland ice sheet

EJ Rignot, SJ Ostro, JJ Van Zyl, KC Jezek - Science, 1993 - science.org
Airborne radar images of part of the Greenland ice sheet reveal icy terrain whose radar
properties are unique among radar-studied terrestrial surfaces but resemble those of …

Galileo observations of Europa's opposition effect

P Helfenstein, N Currier, BE Clark, J Veverka, M Bell… - Icarus, 1998 - Elsevier
During Galileo's G7 orbit, the Solid State Imaging (SSI) camera acquired pictures of the
spacecraft shadow point on Europa's surface as well as a comparison set of images …

Experimental characterization of the opposition surge in fine-grained water–ice and high albedo ice analogs

B Jost, A Pommerol, O Poch, B Gundlach, M Leboeuf… - Icarus, 2016 - Elsevier
We measured the bidirectional reflectance in the VIS–NIR spectral range of different
surfaces prepared from small-grained spherical water–ice particles over a wide range of …

Coherent backscatter enhancement in bistatic Ku-/X-band radar observations of dry snow

M Stefko, S Leinss, O Frey… - The Cryosphere …, 2021 - tc.copernicus.org
The coherent backscatter opposition effect (CBOE) enhances the backscatter intensity of
electromagnetic waves by up to a factor of two in a very narrow cone around the direct return …

Numerical modeling of higher order magnetic moments in UXO discrimination

V Sanchez, Y Li, MN Nabighian… - IEEE Transactions on …, 2008 - ieeexplore.ieee.org
The surface magnetic anomaly observed in unexploded ordnance (UXO) clearance is
mainly dipolar, and consequently, the dipole is the only magnetic moment regularly …

A quantitative test of the ability of models based on the equation of radiative transfer to predict the bidirectional reflectance of a well-characterized medium

BW Hapke, MK Shepard, RM Nelson, WD Smythe… - Icarus, 2009 - Elsevier
Predictions of two widely-used regolith reflectance models, a numerically exact computer
code and an approximate analytic equation, based on the equation of radiative transfer were …

Surface plasmon polariton localization

V Coello - Surface Review and Letters, 2008 - World Scientific
Localization of surface plasmons polariton is reviewed in the context of experiments and
modeling of near-field optical images. Near-field imaging of elastic (in-plane) surface …