12 maggio 2021

Hollow Core Waveguide Devices

Syllabus

 

1. Step-Index Circular Waveguides

1.1. Step-Index Profile. 1.2. Scalar Helmholtz Equation. 1.3. Wave Equation in Cylindrical Coordinates. 1.4. Solution of the Wave Equation for Ez. 1.5. Field Distribution in the Step-Index Fiber. 1.6. Boundary Conditions for the Step-Index Waveguide. 1.7. Transverse Electric and Transverse Magnetic Modes. 1.8. The Hybrid Modes. 1.9. The Linearly Polarized Modes. 1.10. The Normalized Frequency and Cutoff. 1.11. Total Number of Modes in a Step-Index Waveguide.

 

2. Hollow Core Waveguides

2.1. Basic Characteristics. 2.2. Attenuated Total Internal Reflection. 2.3. Metallic/Dielectric Coating. 2.3.1. Selection of Metal. 2.3.2. Selection of Dielectric. 2.4. Propagation Losses. 2.4.1. Metallic Hollow Core Waveguides. 2.4.2. Metallic/Dielectric Hollow Core Waveguides. 2.5. The Fundamental Hybrid HE11 Mode. 2.6. Launch Conditions and Mode Coupling.

 

SLIDES

1. STEP-INDEX CIRCULAR WAVEGUIDES

2. HOLLOW CORE WAVEGUIDES

 

TEXTBOOKS

C. R. Pollock and M. Lipson – Integrated Photonics, Springer.
J. A. Harrington – Infrared Fibers and Their Applications, SPIE Press.