elctromagnetic formulation for treating optical reflections from graded-material surfaces
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elctromagnetic formulation for treating optical reflections from graded-material surfaces

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Published by U.S. Dept. of Commerce, National Bureau of Standards, For sale by the Supt. of Docs., U.S. G.P.O. in Washington, D.C .
Written in English

Subjects:

  • Reflection (Optics) -- Mathematical models

Book details:

Edition Notes

StatementA. George Lieberman
SeriesNBS technical note -- 1171
ContributionsUnited States. National Bureau of Standards
The Physical Object
Paginationiii, 32 p. :
Number of Pages32
ID Numbers
Open LibraryOL14847576M

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The current rapid and complex advancement applications of electromagnetic (EM) and optical systems calls for a much needed update on the computational methods currently in use. Completely revised and reflecting ten years of develoments, this second edition of the bestselling Computational Methods fo. In this book they will find a thorough and clear exposition of the GTD formulation for vector fields. It begins by describing the foundations of the theory in canonical problems and then proceeds to develop the method to treat a variety of circumstances. The larger study of the thesis examines a novel acoustic concept, retroreflection. Retroreflection provides a surface reflection back to the source, over a wide range of source positions.   Principles of Electromagnetic Methods in Surface Geophysics contains information about the theory of electromagnetic fields in a conducting describes the theoretical and physical principles of the main geophysical methods using electromagnetic fields, including frequency and transient soundings, electromagnetic profiling, and magnetotelluric soundings.

Another type of products used for the fabrication of optical fiber sensors is sol-gel matrices, which are made of silica, so that its optical properties are similar to the ones of an optical fiber. Physical Optics Lecture Notes (PDF 44P) This note covers the following topics: elementary electromagnetic waves, maxwells equations, the material equations and boundary conditions, Poynting's vector and the energy law, the wave equation and the speed of light, scalar waves, pulse propagation in a dispersive medium, general electromagnetic plane wave, harmonic electromagnetic . It is also a fact that optical people are now looking more and more into diffraction 4 Electromagnetic Theory and Geometrical Optics effects and one might venture that the practice of optics is on the verge of entering into an electromagnetic treatment of optical problems. The . surfaces in the built environment is limited, especially from vertical or other non-horizontal surfaces and the resulting effects of UV radiation reflection from these surfaces. The main aims of this research is comprised of (1) characterisation of UV radiation reflection from a variety of urban building materials in vertical positions.

  I. Introduction. Electromagnetic scattering is an important aspect of phased arrays, microwave imaging, composite materials, fiber optics, atmospheric optics, light diffusion in tissues, etc. [].The finite-difference time-domain (FDTD) method has been applied to a wide variety of applications of electromagnetic scattering problems [].The application of the FDTD scattered-field formulation to Cited by: Conversely, a reasonable deterministic fractal description for natural surfaces is provided by the WM function. In this book, it is shown that a deterministic description for the electromagnetic scattered field from WM surfaces can be analytically evaluated in closed form (see Chapter 5 and 7). Obviously, randomization of the finite number of parameters of the WM function easily allows the evaluation of . Accomplished researcher and educator Carlo G. Someda uses a modern approach to the subject. Unlike other books in the field, it surveys all major areas of electromagnetic waves in a single treatment. The book begins with a detailed treatment of the mathematics of Maxwell's equations. Page - Presnel's laws of vitreous reflection requires, as has be seen, the determination of but one constant, the index of refraction, or the ratio of the velocities of propagation of light in the two media. Cauchy extended these laws so as to cover the case of metallic reflection by introducing another constant which he calls the co-efficient of extinction.