A. Ghatak

Inhomogeneous Optical Waveguides (eBook, PDF)

• Format: PDF

Produktbeschreibung

The propagation of electromagnetic waves in "square-law" media, i.e., media characterized by a quadratic spatial variation of the dielectric constant, has been a favorite subject of investigation in electromagnetic theory. However, with the recent fabrication of glass fibers with a quadratic radial variation of the dielectric constant and the application of such fibers to optical imaging and communications, this subject has also assumed practical importance. Comparison of experimental results on propagation, resolu tion, and pulse distortion in such inhomogeneous waveguides with theory has put the field on a sound base and spurred further work. The present book aims at presenting a unified view of important aspects of our knowledge of inhomogeneous optical waveguides. A brief discussion of homogeneous dielectric waveguides is unavoidable, since itforms a basis for the appreciation of inhomogeneous waveguides. A short course based on some chapters of this book was offered to graduate students at IIT Delhi and was well received. We consider that despite the unavoidable mathemati cal nature of the present book, the comparison of experimental results with theory throughout and the description of fabrication technology (Appen dixes A and B) should make its appeal universal. The authors are grateful to Dr. K. Thyagarajan for writing most of Chapter 9 and to their colleagues Dr. I. C. Goyal, Dr. B. P. Pal, and Dr. A.

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Produktdetails

• Verlag: Springer New York
• Seitenzahl: 269
• Erscheinungstermin: 9. März 2013
• Englisch
• ISBN-13: 9781461587620
• Artikelnr.: 44053745

Inhaltsangabe

1. Introduction.- 2. Modal Analysis of Slab Waveguides.- 3. Planar Waveguides with Continuous Dielectric Constant Variation.- 4. Dielectric Clad Cylindrical Waveguides.- 5. Inhomogeneous Circular Waveguides.- 6. Vector Theory for Inhomogeneous Circular Waveguides.- 7. Dispersion in Optical Waveguides.- 8. Propagation in Imperfect Waveguides.- 9. Ray Tracing and Aberrations in Lens-like Media.- Appendix A. Fabrication of Planar Waveguides.- A.1. Thin-Film Waveguides.- A.1.1. Thin-Film Dielectric Waveguides.- A.1.2. Guided Propagation through Thin Films.- A.1.3. Asymmetric Slab Waveguides.- A.2. Optical Waveguides Formed by Electrically Induced Migration of Ions in Glass Plates.- A.4. Fabrication of Optical Waveguides by Diffusion.- Appendix B. Fabrication of Inhomogeneous Circular Waveguides.- B.1. Conventional SELFOC Fibers.- B.1.1. Fiber Diameter.- B.1.2. Change in Refractive Index Induced by Ion-Exchange Methods.- B.1.3. Results of Typical Experiments.- B.2. The New SELFOC Fibers.- B.3. SELFOC Fibers by Copolymerization.- B.4. Gas Lenses.- B.4.1. Experimental Method.- B.4.2. Temperature and Refractive Index Variation in a Gas Lens.- Aendix C. General Solution of Eq. (5.84).- Appendix D. Derivation of the Ray Equation.- References.- Author Index.