SVL Short Course Masodule 1 -- Introduction

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Pioneering 21st Century Electromagnetics and Photonics

Module 1 Introduction

Course Website:http://emlab.utep.edu/scSVL.htm

EM Lab Website:http://emlab.utep.edu/

Short CourseShort Course Outline

Module 1 Introduction What is a spatially-variant lattice? Why is it good?

Module 2 Spatially-Variant Planar Gratings Module 3 Spatially-Variant Lattices Module 4 MATLAB to CAD

7/2/2015 Slide 2SVL Short Course -- Module 1

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Spatially-Variant Lattices

Short Course

Metamaterials and Photonic Crystals

7/2/2015 SVL Short Course -- Module 1 Slide 4

Metamaterials Photonic Crystals

4a

2a

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Electromagnetic fields and waves cannot be controlled using homogeneous materials.

There must exist some kind of inhomogeneity.

If we use metamaterials, metasurfaces, and photonic crystals as artificial materials, why are so many lattices

macroscopically homogeneous?

Because it is not well known how to make them inhomogeneous without destroying their properties.

Imagine what we are missing!

Short Course

Spatially Variant Lattices:Uniform lattice

SVL Short Course -- Module 17/2/2015 Slide 6

Raymond C. Rumpf "Engineering the Dispersion and Anisotropy of Periodic Electromagnetic Structures," to be published in Solid State Physics, Vol. 66, 2015.

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Short Course

Spatially Variant Lattices:Spatial variance with too much deformation



Short Course

Spatially Variant Lattices:Spatial variance with minimal deformations



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Achievements Using Spatially-

Variant Structures

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Polarization Control Using Spatially-Variant Form Birefringence


A. Mehta, J. D. Brown, P. Srinivasan, R. C. Rumpf, E. G. Johnson, Spatially polarizing autocloned elements, Opt. Lett. 32, 19351937 (2007) .

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Short Course

Compensation for Surface Curvature

SVL Short Course -- Module 1

R. C. Rumpf, M. Gates, C. L. Kozikowski, W. A. Davis, "Guided-Mode Resonance Filter Compensated to Operate on a Curved Surface," PIER C, Vol. 40, pp. 93-103, 2013.

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Short Course

Spatially-Variant Self-Collimation


unit cell orientation (degrees)

~20 dB

Manufactured by 3D printing Operated at 15 GHz

R. C. Rumpf, J. Pazos, C. R. Garcia, L. Ochoa, and R. Wicker, "3D Printed Lattices with Spatially Variant Self-Collimation," PIER, Vol. 139, pp. 1-14, 2013.

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Short Course

Worlds Tightest Optical Bend


30 m

Worlds tightest unguided bend (R = 6.70).

Utilized very low refractive index (SU-8, n 1.59).

Operated at 0 = 2.94 m.

J. L. Digaum, J. J. Pazos, J. Chiles, J. D'Archangel, G. Padilla, A. Tatulian, R. C. Rumpf, S. Fathpour, G. D. Boreman, and S. M. Kuebler, "Tight Control of Light Beams in Photonic Crystals with Spatially-Variant Lattice Orientation," Optics Express, Vol. 22, Issue 21, pp. 25788-25804, 2014.

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Short Course

Zero Mode Coupling in MM Waveguides with Sharp Bends


First-Order Mode Third-Order ModeSecond-Order Mode

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R. C. Rumpf, et al, Spatially-variant periodic structures in electromagnetics, accepted for publication in Phil. Trans. A, Dec. 2014.

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Short Course

Applications of SVPCs in Integrated Optics


SharpWaveguideBends

OpticalBus

PrintedCircuitBoard

OptoelectronicBGAPackagewithVCSELArrayUnderneath

VCSEL

OrdinaryWaveguide

SVPCFunnel+Bend

SVPCJumper

7/2/2015 Slide 15

Short Course

Microstrip Made Immune to Metal Object in Close Proximity


R. C. Rumpf, C. R. Garcia, H. H. Tsang, J. E. Padilla, M. D. Irwin, "Electromagnetic Isolation of a Microstripby Embedding in a Spatially Variant Anisotropic Metamaterial," PIER, Vol. 142, pp. 243-260, 2013.

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Patent Pending

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Short Course

Two Antennas Decoupled in 3D Printed Mobile Phone


Patent Pending7/2/2015 Slide 17

Short CourseArrays on Curved Surfaces


Periodic structures can be placed onto curved surfaces without deforming the elements or their spacing.

perspective view

top view

R. C. Rumpf, et al, Spatially-variant periodic structures in electromagnetics, accepted for publication in Phil. Trans. A, Dec. 2014.

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Short Course

Combining Spatial Transforms with Synthesis Tool (1 of 2)


Step 1 of 4:Define Spatial Transform C

7/2/2015 Slide 19R. C. Rumpf, et al, Spatially-variant periodic structures in electromagnetics, accepted for publication in Phil. Trans. A, Dec. 2014.

Documents

SVL Short Course Masodule 1 -- Introduction