Metamaterials: Negative refractive index in ... - Theory.nipne.ro

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First experiments2-D Metamaterial with n < 0 <strong>in</strong> microwaves(R. A. Shelby et al, Science, 292, 77 (2001);J. B. Pendry, D. R. Smith, Phys. Today, June 2004pp. 37-43); p = 5 mm; λ ~ 30 mm; f ~ 10 GHz(a) Resonant structure: split-r<strong>in</strong>gs and metallic rods(wires, visible <strong>in</strong> the back of the vertical holders)(b) Spectral band where ε r < 0 şi μ r < 0(c) Transmitted power spectrum: only metallic rods(green); only split-r<strong>in</strong>gs (blue); both (red) transmission = propagationASTiGMAT
First experiments<strong>Negative</strong> refraction <strong>in</strong> microwaves (J. B.Pendry, D. R. Smith, Phys. Today,June 2004, pp. 37-43)(a) Prism with n < 0, simulation(b) Prism with n > 0, teflon, simulation(c) Experiment, prism, metamaterial n < 0(d) Experiment, teflon prismASTiGMAT
Page 1 and 2: IFIN_Theor_Phys_Dept_111810
Page 3 and 4: 1. GoalIntroduction to the field of
Page 5 and 6: Metamaterials and
Page 7 and 8: More definitionsMe
Page 9 and 10: Founders of the modern metamaterial
Page 11 and 12: Pendry’s structures to obta<stron
Page 13 and 14: Examples of "old" resultsWire media
Page 15 and 16: Specially dedicated journal- <stron
Page 17 and 18: Metamorphose-organized conferences
Page 19 and 20: 3. MetaPhysics of metamaterials: Ho
Page 21 and 22: Electromagnetic field spectrum≈ 8
Page 23 and 24: 3.2. Definition of
Page 25 and 26: 3.4. Examples of Pendry periodical
Page 27 and 28: Effective relative magnetic permeab
Page 29 and 30: Idealized hypotheses (in</s
Page 31 and 32: Generalized cell for NRI-transmissi
Page 33 and 34: 4.1. Negative refr
Page 35 and 36: 4.2. Behavior of convex and concave
Page 37 and 38: 4.4. Goos-Hänchen shift (effect)-
Page 39 and 40: "Ideal lens" - simplified descripti
Page 41 and 42: Partial conclusion and comments- On
Page 43: First experiments (2000-2001)1-D Me
Page 47 and 48: Progress, microwavesExperiment to v
Page 49 and 50: Progress: from microwaves toward op
Page 55 and 56: Progress: near inf
Page 57 and 58: Progress: visible (2007)ASTiGMAT
Page 59 and 60: Swiss cross configuration (2009)New
Page 61 and 62: Mother Nature and PhCQuasi-periodic
Page 63 and 64: 7. High-interest p
Page 65 and 66: Another slab (Veselago-Pendry-type)
Page 67 and 68: 7.1. Toward imagin
Page 69 and 70: Example of partial camouflage, obta
Page 71 and 72: Total invisibility
Page 73 and 74: Results: invisibil
Page 75 and 76: New (2008) cloakin
Page 77 and 78: New (2009) reported cloakin
Page 79: 9. Conclusion- MTM is a fasc<strong

Metamaterials: Negative refractive index in ... - Theory.nipne.ro

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