1 / 10

Metamaterials

Antenna Application of NRI and conventional TL. Metamaterials. Narrator: 劉柏均. Index:. ‧Intro ‧Planar TL Media with NRI ‧Zero-degree Phase-Shifting Lines ‧Backward Leaky-Wave Antenna Radiating ‧Superresolving NRI TL lens ‧Detailed Dispersion of Planar NRI-TL Media.

kylia
Download Presentation

Metamaterials

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Antenna Application of NRI and conventional TL. Metamaterials Narrator:劉柏均

  2. Index: ‧Intro ‧Planar TL Media with NRI ‧Zero-degree Phase-Shifting Lines ‧Backward Leaky-Wave Antenna Radiating ‧Superresolving NRI TL lens ‧Detailed Dispersion of Planar NRI-TL Media

  3. Intro ‧Veselago’s NRI prediction. ‧TL grids with reactive elements of radio/microwave freq.can implement. ‧Zero-degree application.

  4. Planar TL with NRI Unit cell for 2D NRI-TL metamaterial.

  5. Why “N”RI? “Negative Refractive Index Metamaterials Supporting 2-D Waves”,Ashwin K. Iyer and George V. Eleftheriades, 2002 IEEE MTT-S Digest TL model(Power sys.) As d<<wavelength.

  6. Boundary Conditions: “An Idea for Thin Subwavelength Cavity Resonators Using Metamaterials With Negative Permittivity and Permeability” Nader Engheta, Fellow,2002 IEEE

  7. Phase Compensation “Compact Linear Lead/Lag Metamaterial Phase Shifters for Broadband Applications” Marco A. Antoniades, Student Member, IEEE and George V. Eleftheriades, Senior Member, IEEE,2003 IEEE A conventional TL in series with BW line.

  8. 1-D Unit Cell Structure →BW lines are composed of series capacitors and shunt inductors.

  9. BW advantage of NRI media 課本有誤！P.146

  10. Thanks for your comprehension!

More Related