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AuthorWilcox, Calvin H. author
TitleScattering Theory for Diffraction Gratings [electronic resource] / by Calvin H. Wilcox
ImprintNew York, NY : Springer New York : Imprint: Springer, 1984
Connect tohttp://dx.doi.org/10.1007/978-1-4612-1130-3
Descript 180 p. online resource

SUMMARY

The scattering of acoustic and electromagnetic waves by periodic surยญ faces plays a role in many areas of applied physics and engineering. Optiยญ cal diffraction gratings date from the nineteenth century and are still widely used by spectroscopists. More recently, diffraction gratings have been used as coupling devices for optical waveguides. Trains of surface waves on the oceans are natural diffraction gratings which influence the scattering of electromagnetic waves and underwater sound. Similarly, the surface of a crystal acts as a diffraction grating for the scattering of atomic beams. This list of natural and artificial diffraction gratings could easily be extended. The purpose of this monograph is to develop from first principles a theory of the scattering of acoustic and electromagnetic waves by periodic surfaces. In physical terms, the scattering of both time-harmonic and transient fields is analyzed. The corresponding mathematical model leads to the study of boundary value problems for the Helmholtz and d'Alembert wave equations in plane domains bounded by periodic curves. In the formalยญ ism adopted here these problems are intimately related to the spectral analysis of the Laplace operator, acting in a Hilbert space of functions defined in the domain adjacent to the grating


CONTENT

1. Physical Theory -- 1. The Physical Problem -- 2. The Mathematical Formulation -- 3. Solution of the Initial-Boundary Value Problem -- 4. The Reference Problem and Its Eigenfunctions -- 5. Rayleigh-Bloch Diffracted Plane Waves for Gratings -- 6. Rayleigh-Bloch Surface Waves for Gratings -- 7. Rayleigh-Bloch Wave Expansions -- 8. Wave and Scattering Operators for Gratings -- 9. Asymptotic Wave Functions for Gratings -- 10. The Scattering of Signals from Remote Sources -- 2. Mathematical Theory -- 1. Grating Domains and Grating Propagators -- 2. Rayleigh-Bloch Waves -- 3. The Reduced Grating Propagator Ap -- 4. Analytic Continuation of the Resolvent of Ap -- 5. Proofs of the Results of ยง4 -- 6. The Eigenfunction Expansion for Ap -- 7. Proofs of the Results of ยง6 -- 8. The Rayleigh-Bloch Wave Expansions for A -- 9. Proofs of the Results of ยง8 -- 10. The Initial-Boundary Value Problems for the Scattered Fields -- 11. Construction of the Wave Operators for AP and Ao,p -- 12. Construction of the Wave Operators for A and Ao -- 13. Asymptotic Wave Functions and Energy Distributions -- 14. Construction and Structure of the S-Matrix -- 15. The Scattering of Signals by Diffraction Gratings -- References


Mathematics Numerical analysis Mathematics Numerical Analysis



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