1. TMM Applied for Shell Scattering Weijia Wang Dec.14.2010

2. Outline Model Spherical coordinates:Epsilon=-0.5 Check Epsilon=-0.5 Quasi Static Approximation Cylindrical Coordinates

3. Model A single shell with Epsilon a static electric field a plane wave

4. Spherical Coordinate TMM

5. Drude Model+Mie Theory 296nme= -0.13 254nme= -0.53 20nm:24nm

6. Quasi Static Approximation 10nm:12nm Epsilon=-0.5

7. Quasi Static Approximation R （ nm ） Wavelength (nm) 123704.91 248805.84 3614606.45 4820806.90 6027507.29 7234607.65 8441907.94 9649508.21 10857408.46 12065408.67 180108609.60 2401556010.32 6004891012.97 120011634015.43 ~20

8. Cylindrical Coordinates 5000Hz ， R 0.2 m: 0.4m Epsilon=-2

9. Cylindrical Coordinates TMM

10. Summary Shell Epsilon=-0.5 Quasi Static Approximation Nanoscale: ~ 20

11. Thanks!