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Light scattering
About: Light scattering is a research topic. Over the lifetime, 37721 publications have been published within this topic receiving 861581 citations.
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TL;DR: In this article, a new approach towards resonant interaction between classical light and matter is presented, where the interaction between light and material is considered from three different points of view: the light picture where the material degrees of freedom have been integrated out, and leaving one with scattering theory, the matter picture (where the radiative degree of freedom has been eliminated and providing one essentially with atomic physics).
461 citations
TL;DR: In this paper, the shape of the in vivo reflection spectra is interpreted taking into account (a) the formation of pigment-protein complexes, (b) the sieve effect and the detour effect, as well as the reflection, refraction and scattering of light inside the leaf tissue.
Abstract: In vivo reflection spectra of intact bean leaves (Phaseolus vulgaris) were measured between 400 and 800 nm under remote sensing conditions (illumination with white light, detection of a narrow angle of the reflected light) using the VIRAF spectrometer. The leaves with colours from yellow to green were chosen at different times during light-induced greening. The colours of the leaves were characterized by the chromaticity coordinates according to CIE 1931 calculated from the reflection spectra. The influence of the absorption of chlorophyll—the main pigment of green leaves—on the reflection spectrum of leaves is outlined. The shape of the in vivo reflection spectra is interpreted taking into account (a)the formation of pigment-protein complexes, (b) the sieve effect and the detour effect, as well as (c) the reflection, refraction and scattering of light inside the leaf tissue. Reflection signals at several distinct wavelengths and their ratios as well as the inflection point of the reflection ris...
460 citations
TL;DR: In this article, a model for light scattering from particulate media is modified to include several improvements: (1) a better approximation to the Ambartsumian-Chandrasekhar H-functions that is especially important for particles with single scattering albedos close to 1.00, increased accuracy for anisotropically scattering particles, and incorporation of coherent backscattering.
456 citations
Book•
30 Jan 2005
TL;DR: In this paper, the Kingdom of Nanostructures and Quantum Confinement in Low-Dimensional Systems (QCS) are discussed. And the authors present a table of characters of irreducible representations of material tensors.
Abstract: Preface / Kingdom of Nanostructures / Quantum Confinement in Low-Dimensional Systems / Resonant Light Reflection, Transmission & Absorption / Intraband Optical Spectroscopy of Nanostructures / Photoluminescence Spectroscopy / Light Scattering / Nonlinear Optics / Photogalvanic Effects / Conclusion / Appendix A: Tables of Characters of Irreducible Representations / Appendix B: Tables of Nonzero Components of Material Tensors / Appendix C: Electron Hole Exchange Interaction
454 citations
TL;DR: It is reported that loss in photonic crystal waveguides scales inversely with group velocity, at least, thereby raising serious questions about future low-loss applications based on operating frequencies that approach the photonic band edge.
Abstract: Formulas are presented that provide clear physical insight into the phenomenon of extrinsic optical scattering loss in photonic crystal waveguides due to random fabrication imperfections such as surface roughness and disorder. Using a photon Green-function-tensor formalism, we derive explicit expressions for the backscattered and total transmission losses. Detailed calculations for planar photonic crystals yield extrinsic loss values in overall agreement with experimental measurements, including the full dispersion characteristics. We also report that loss in photonic crystal waveguides scales inversely with group velocity, at least, thereby raising serious questions about future low-loss applications based on operating frequencies that approach the photonic band edge.
452 citations