Light Scattering by Nonspherical Particles: Theory, Measurements, and Applications
Michael I. Mishchenko, Joachim W. Hovenier, Larry D. Travis
Academic Press, Sep 22, 1999 - Science - 690 pages
There is hardly a field of science or engineering that does not have some interest in light scattering by small particles. For example, this subject is important to climatology because the energy budget for the Earth's atmosphere is strongly affected by scattering of solar radiation by cloud and aerosol particles, and the whole discipline of remote sensing relies largely on analyzing the parameters of radiation scattered by aerosols, clouds, and precipitation. The scattering of light by spherical particles can be easily computed using the conventional Mie theory. However, most small solid particles encountered in natural and laboratory conditions have nonspherical shapes. Examples are soot and mineral aerosols, cirrus cloud particles, snow and frost crystals, ocean hydrosols, interplanetary and cometary dust grains, and microorganisms. It is now well known that scattering properties of nonspherical particles can differ dramatically from those of "equivalent" (e.g., equal-volume or equal-surface-area) spheres. Therefore, the ability to accurately compute or measure light scattering by nonspherical particles in order to clearly understand the effects of particle nonsphericity on light scattering is very important.
The rapid improvement of computers and experimental techniques over the past 20 years and the development of efficient numerical approaches have resulted in major advances in this field which have not been systematically summarized. Because of the universal importance of electromagnetic scattering by nonspherical particles, papers on different aspects of this subject are scattered over dozens of diverse research and engineering journals. Often experts in one discipline (e.g., biology) are unaware of potentially useful results obtained in another discipline (e.g., antennas and propagation). This leads to an inefficient use of the accumulated knowledge and unnecessary redundancy in research activities.
This book offers the first systematic and unified discussion of light scattering by nonspherical particles and its practical applications and represents the state-of-the-art of this important
research field. Individual chapters are written by leading experts in respective areas and cover three major disciplines: theoretical and numerical techniques, laboratory measurements, and practical applications. An overview chapter provides a concise general introduction to the subject of nonspherical scattering and should be especially useful to beginners and those interested in fast practical applications. The audience for this book will include graduate students, scientists, and engineers working on specific aspects of electromagnetic scattering by small particles and its applications in remote sensing, geophysics, astrophysics, biomedical optics, and optical engineering.
* The first systematic and comprehensive treatment of electromagnetic scattering by nonspherical particles and its applications
* Individual chapters are written by leading experts in respective areas
* Includes a survey of all the relevant literature scattered over dozens of basic and applied research journals
* Consistent use of unified definitions and notation makes the book a coherent volume
* An overview chapter provides a concise general introduction to the subject of light scattering by nonspherical particles
* Theoretical chapters describe specific easy-to-use computer codes publicly available on the World Wide Web
* Extensively illustrated with over 200 figures, 4 in color
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absorption aerosols aggregates albedo amplitude matrix applications approximation atmosphere axis backscattering Bohren boundary condition calculations cells Chapter cirrus cloud cluster components computations coordinate system depolarization dielectric constant diffraction discrete dipole approximation distribution domain effective electric field electromagnetic scattering EMAs equation FDTD finite forward scattering frequency Gaussian geometric optics given graupel Hovenier Hulst hydrometeors ice crystals ice particles incident field inclusions layer lidar light scattering linear polarization Liou Lorenz–Mie Maxwell-Garnett Maxwell’s measurements medium method microwave Mishchenko nonspherical particles numerical obtained phase function phase matrix plane prolate pure phase matrix radar radiation radiative transfer radius randomly oriented ratio ray optics Rayleigh refractive index Sassen scattered field scattering angles scattering by nonspherical scattering cross section scattering matrix scattering matrix elements scattering properties shape single-scattering solution spheres Stokes parameters Stokes vector surface symmetry T-matrix technique theoretical theory tion values vector wavelength