• 289 Citations
  • 9 h-Index
20112017
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Research Output 2011 2017

  • 289 Citations
  • 9 h-Index
  • 26 Conference contribution
  • 11 Article
  • 2 Chapter
  • 1 Review article
2017

Broadband performance of lenses designed with quasi-conformal transformation optics

Nagar, J., Campbell, S., Brocker, D., Wang, X., Morgan, K. L. & Werner, D. H., Jan 1 2017, Broadband Metamaterials in Electromagnetics: Technology and Applications. Pan Stanford Publishing Pte. Ltd., p. 205-288 84 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

Lenses
Optics
Conformal mapping
Metamaterials
Optical devices

Circuit model for single-layer single-resonant ultra-thin FSS absorbers with wide bandwidth

Brocker, D., Panaretos, A. H. & Werner, D. H., Oct 18 2017, 2017 IEEE Antennas and Propagation Society International Symposium, Proceedings. Institute of Electrical and Electronics Engineers Inc., Vol. 2017-January. p. 683-684 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

absorbers
bandwidth
Bandwidth
Networks (circuits)
Substrates
10 Citations (Scopus)
patch antennas
Microstrip antennas
slots
Antennas
antennas
2016
1 Citation (Scopus)

Advanced gradient-index lens design tools to maximize system performance and reduce SWaP

Campbell, S., Nagar, J., Brocker, D., Easum, J. A., Turpin, J. P. & Werner, D. H., Jan 1 2016, Advanced Optics for Defense Applications: UV through LWIR. Marasco, P. L., Andresen, B. F., Vizgaitis, J. N., Sanghera, J. S. & Snyder, M. P. (eds.). SPIE, Vol. 9822.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Lens Design
lens design
System Performance
Lenses
Optics

Advancements in multi-objective and surrogate-Assisted GRIN lens design and optimization

Campbell, S., Nagar, J., Easum, J. A., Brocker, D., Werner, D. H. & Werner, P. L., Jan 1 2016, Novel Optical Systems Design and Optimization XIX. Davis, A. J., Hahlweg, C. F. & Mulley, J. R. (eds.). SPIE, Vol. 9948. 994807

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Lens Design
lens design
gradient index optics
Gradient index optics
Lenses

An analytical design methodology for dispersion-corrected metamaterial lenses

Brocker, D., Campbell, S., Werner, D. H. & Werner, P. L., Oct 25 2016, 2016 IEEE Antennas and Propagation Society International Symposium, APSURSI 2016 - Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 1951-1952 2 p. 7696682. (2016 IEEE Antennas and Propagation Society International Symposium, APSURSI 2016 - Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Metamaterials
Ray tracing
ray tracing
Lenses
lenses
1 Citation (Scopus)

A new GRIN lens design paradigm based on wavefront matching

Nagar, J., Campbell, S., Brocker, D., Easum, J. A. & Werner, D. H., Oct 25 2016, 2016 IEEE Antennas and Propagation Society International Symposium, APSURSI 2016 - Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 1603-1604 2 p. 7696508. (2016 IEEE Antennas and Propagation Society International Symposium, APSURSI 2016 - Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

lens design
Wavefronts
Lenses
gradients
Gradient index optics

Efficient modeling of a small circular loop coupling to multi-conductor transmission lines above a PEC ground

Qin, Y., Brocker, D., Werner, P. L., Werner, D. H. & Zhou, C., Oct 25 2016, 2016 IEEE Antennas and Propagation Society International Symposium, APSURSI 2016 - Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 1977-1978 2 p. 7696695

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electric conductors
electric conductors
Induced currents
transmission lines
Electric lines

Efficient modeling of the coupling from a small circular loop to a multi-conductor transmission line above a lossy ground

Qin, Y., Brocker, D., Werner, P. L., Werner, D. H. & Zhou, C., Oct 25 2016, 2016 IEEE Antennas and Propagation Society International Symposium, APSURSI 2016 - Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 1979-1980 2 p. 7696696. (2016 IEEE Antennas and Propagation Society International Symposium, APSURSI 2016 - Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

loop antennas
Loop antennas
current distribution
transmission lines
Electric lines
6 Citations (Scopus)

Modularization of gradient-index optical design using wavefront matching enabled optimization

Nagar, J., Brocker, D., Campbell, S., Easum, J. A. & Werner, D. H., May 2 2016, In : Optics Express. 24, 9, p. 9359-9368 10 p.

Research output: Contribution to journalArticle

lenses
gradients
optimization
pupils
16 Citations (Scopus)
Optics
Refractive index
optics
refractivity
Decomposition

Optimization methods in antenna engineering

Werner, D. H., Gregory, M. D., Jiang, Z. H. & Brocker, D., Sep 15 2016, Handbook of Antenna Technologies. Springer Singapore, Vol. 1. p. 321-376 56 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

Antennas

Simulation and Measurement of Medium-Frequency Signals Coupling from a Line to a Loop Antenna

Damiano, N. W., Li, J., Zhou, C., Brocker, D., Qin, Y., Werner, D. H. & Werner, P. L., Jul 1 2016, In : IEEE Transactions on Industry Applications. 52, 4, p. 3527-3534 8 p., 7422061.

Research output: Contribution to journalArticle

Loop antennas
Electric lines
Coal mines
Communication systems
Electric potential
12 Citations (Scopus)

Size, weight, and power reduction regimes in achromatic gradient-index singlets

Campbell, S., Brocker, D., Nagar, J. & Werner, D. H., May 1 2016, In : Applied Optics. 55, 13, p. 3594-3598 5 p.

Research output: Contribution to journalArticle

weight reduction
gradients
Lenses
lenses
curvature

SWaP tradeoffs in the solution space of a hybrid radial-axial achromatic GRIN singlet

Campbell, S., Brocker, D., Nagar, J. & Werner, D. H., Oct 25 2016, 2016 IEEE Antennas and Propagation Society International Symposium, APSURSI 2016 - Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 1599-1600 2 p. 7696506. (2016 IEEE Antennas and Propagation Society International Symposium, APSURSI 2016 - Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

gradient index optics
tradeoffs
Germanium
Silicon
germanium

Transformation optics-inspired dispersion-corrected gradient-index lens design

Brocker, D., Campbell, S., Nagar, J. & Werner, D. H., Oct 25 2016, 2016 IEEE Antennas and Propagation Society International Symposium, APSURSI 2016 - Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 1949-1950 2 p. 7696681

Research output: Chapter in Book/Report/Conference proceedingConference contribution

lens design
Lenses
Optics
optics
methodology
2015
2 Citations (Scopus)

Advancements in transformation optics-enabled gradient-index lens design

Campbell, S., Brocker, D., Nagar, J., Easum, J. A., Werner, D. H. & Werner, P. L., Jan 1 2015, Novel Optical Systems Design and Optimization XVIII. SPIE, Vol. 9579. 95790E

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Gradient index optics
gradient index optics
Lens Design
lens design
Optics
2 Citations (Scopus)

A Hybrid approach for efficient modeling of medium-frequency propagation in coal mines

Brocker, D., Sieber, P. E., Waynert, J. A., Li, J., Werner, P. L. & Werner, D. H., Feb 1 2015, In : IEEE Antennas and Propagation Magazine. 57, 1, p. 164-176 13 p., 7056419.

Research output: Contribution to journalArticle

Coal mines
coal
propagation
communication
communication networks
2 Citations (Scopus)

An overview of several recent antenna designs utilizing nature-inspired optimization algorithms

Werner, D. H., Gregory, M. D., Jiang, Z. H., Brocker, D., Scarborough, C. P. & Werner, P. L., Jan 1 2015, IEEE SSCI 2014 - 2014 IEEE Symposium Series on Computational Intelligence - CIComms 2014: 2014 IEEE Symposium on Computational Intelligence for Communication Systems and Networks, Proceedings. Institute of Electrical and Electronics Engineers Inc., 7014635

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Antennas
Metamaterial antennas
Metamaterials
Microstrip antennas
Geometry
3 Citations (Scopus)

Color-correcting Gradient-index infrared singlet based on silicon and germanium mixing

Brocker, D., Campbell, S. & Werner, D. H., Oct 22 2015, 2015 IEEE Antennas and Propagation Society International Symposium, APS 2015 - Proceedings. Institute of Electrical and Electronics Engineers Inc., Vol. 2015-October. p. 788-789 2 p. 7304781

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Germanium
Lenses
Color
Infrared radiation
Silicon

Efficient modeling of a small circular loop antenna coupling to a twin-lead transmission line

Qin, Y., Brocker, D., Zhou, C., Li, J., Waynert, J., Werner, P. L. & Werner, D. H., May 15 2015, 2015 31st International Review of Progress in Applied Computational Electromagnetics, ACES 2015. Applied Computational Electromagnetics Society (ACES), 7109636. (Annual Review of Progress in Applied Computational Electromagnetics; vol. 2015-May).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Loop antennas
Electric lines
Lead
Method of moments

Efficient modeling of a small circular loop coupling to a single wire above a lossy half-space

Qin, Y., Brocker, D., Werner, P. L., Werner, D. H., Zhou, C. & Waynert, J., Oct 22 2015, 2015 IEEE Antennas and Propagation Society International Symposium, APS 2015 - Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 1080-1081 2 p. 7304928. (IEEE Antennas and Propagation Society, AP-S International Symposium (Digest); vol. 2015-October).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electric lines
Wire
Loop antennas
Induced currents
Method of moments
1 Citation (Scopus)

Simulation and measurement of medium frequency signals coupling from a line to a loop antenna

Damiano, N., Li, J., Zhou, C., Brocker, D., Qin, Y., Werner, D. H. & Werner, P. L., Dec 14 2015, IEEE Industry Application Society - 51st Annual Meeting, IAS 2015, Conference Record. Institute of Electrical and Electronics Engineers Inc., 7356896. (IEEE Industry Application Society - 51st Annual Meeting, IAS 2015, Conference Record).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Loop antennas
Electric lines
Coal mines
Communication systems
Coal
11 Citations (Scopus)

Three-dimensional gradient-index optics via injketaided additive manufacturing techniques

Campbell, S., Brocker, D., Werner, D. H., Dupuy, C., Park, S. K. & Harmon, P., Oct 22 2015, 2015 IEEE Antennas and Propagation Society International Symposium, APS 2015 - Proceedings. Institute of Electrical and Electronics Engineers Inc., Vol. 2015-October. p. 605-606 2 p. 7304689

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Gradient index optics
3D printers
Lenses
Aberrations
Pixels
9 Citations (Scopus)

Transformation-optics-inspired anti-reflective coating design for gradient index lenses

Morgan, K. L., Brocker, D., Campbell, S., Werner, D. H. & Werner, P. L., Jun 1 2015, In : Optics Letters. 40, 11, p. 2521-2524 4 p.

Research output: Contribution to journalArticle

lenses
optics
coatings
gradients
methodology
9 Citations (Scopus)

Ultra-thin absorbers comprised by cascaded high-impedance and frequency selective surfaces

Panaretos, A. H., Brocker, D. & Werner, D. H., Dec 1 2015, In : IEEE Antennas and Wireless Propagation Letters. 14, p. 1089-1092 4 p., 7004802.

Research output: Contribution to journalArticle

Frequency selective surfaces
Electric lines
Networks (circuits)
2014
139 Citations (Scopus)

A compact, low-profile metasurface-enabled antenna for wearable medical body-area network devices

Jiang, Z. H., Brocker, D., Sieber, P. E. & Werner, D. H., Jan 1 2014, In : IEEE Transactions on Antennas and Propagation. 62, 8, p. 4021-4030 10 p., 6824248.

Research output: Contribution to journalArticle

antennas
Antennas
Wearable antennas
profiles
Microstrip antennas
28 Citations (Scopus)

A low-profile high-gain substrate-integrated waveguide slot antenna enabled by an ultrathin anisotropic zero-index metamaterial coating

Jiang, Z. H., Wu, Q., Brocker, D., Sieber, P. E. & Werner, D. H., Jan 1 2014, In : IEEE Transactions on Antennas and Propagation. 62, 3, p. 1173-1184 12 p., 6680629.

Research output: Contribution to journalArticle

Substrate integrated waveguides
Slot antennas
Metamaterials
Antennas
Coatings
7 Citations (Scopus)

Dual-band shorted patch antenna with significant size reduction using a meander slot

Brocker, D., Werner, D. H. & Werner, P. L., Jan 1 2014, 2014 IEEE Antennas and Propagation Society International Symposium(APSURSI). Institute of Electrical and Electronics Engineers Inc., p. 289-290 2 p. 6904476

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Microstrip antennas
Antennas
Permittivity

Gradient index lens optimization using Transformation Optics

Brocker, D., Turpin, J. P. & Werner, D. H., Jan 1 2014, 2014 IEEE Antennas and Propagation Society International Symposium(APSURSI). Institute of Electrical and Electronics Engineers Inc., p. 755-756 2 p. 6904707

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Lenses
Optics
Global optimization
Refractive index
Specifications
12 Citations (Scopus)

Optimization of gradient index lenses using quasi-conformal contour transformations

Brocker, D., Turpin, J. P., Werner, P. L. & Werner, D. H., Jan 1 2014, In : IEEE Antennas and Wireless Propagation Letters. 13, p. 1787-1791 5 p., 6953025.

Research output: Contribution to journalArticle

Lenses
Conformal mapping
Optical systems
Aberrations
Refractive index

Ultra-thin wideband absorbers comprised of pixelized Frequency Selective Surfaces

Panaretos, A. H., Brocker, D. & Werner, D. H., Jan 1 2014, 2014 IEEE Antennas and Propagation Society International Symposium(APSURSI). Institute of Electrical and Electronics Engineers Inc., p. 2056-2057 2 p. 6905355

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Frequency selective surfaces
Networks (circuits)
2013
1 Citation (Scopus)

Gradient-index lens design with quasi-conformal transformation optics for energy concentration

Werner, D. H., Turpin, J. P., Brocker, D., Wang, X., Jiang, Z. H. & Werner, P. L., Nov 28 2013, Nonimaging Optics: Efficient Design for Illumination and Solar Concentration X. Vol. 8834. 88340F

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Lens Design
lens design
Conformal Transformation
Quasiconformal
conformal mapping
1 Citation (Scopus)

Multi-mode propagation on a medium frequency twin-lead transmission line with earth return

Brocker, D., Werner, P. L., Werner, D. H., Waynert, J., Li, J. & Damiano, N. W., Dec 1 2013, 2013 IEEE Antennas and Propagation Society International Symposium, APSURSI 2013 - Proceedings. p. 1936-1937 2 p. 6711626. (IEEE Antennas and Propagation Society, AP-S International Symposium (Digest)).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electric lines
Lead
Earth (planet)
Method of moments
Coal mines
7 Citations (Scopus)

Optimization of quasi-conformal transformation optics lenses with an arbitrary GRIN-capable ray tracer

Turpin, J. P., Brocker, D. & Werner, D. H., Dec 1 2013, 2013 IEEE Antennas and Propagation Society International Symposium, APSURSI 2013 - Proceedings. p. 1898-1899 2 p. 6711607

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Lenses
Optics
Fabrication
Metamaterials
Ray tracing
2012

A hybrid approach for optimizing medium frequency communication networks in coal mines

Brocker, D., Sieber, P. E., Werner, P. L. & Werner, D. H., 2012, 2012 IEEE International Symposiumon Antennas and Propagation, APSURSI 2012 - Proceedings. 6348001

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Coal mines
Telecommunication networks
Electric lines
Method of moments
Receiving antennas
3 Citations (Scopus)

Characterization of medium frequency propagation on a twin-lead transmission line with earth return

Brocker, D., Werner, P. L., Werner, D. H., Waynert, J., Li, J. & Damiano, N. W., Dec 10 2012, 2012 IEEE International Symposiumon Antennas and Propagation, APSURSI 2012 - Proceedings. 6349088. (IEEE Antennas and Propagation Society, AP-S International Symposium (Digest)).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electric lines
Communication systems
Lead
Earth (planet)
Method of moments
3 Citations (Scopus)

Experimental demonstration of an optical artificial perfect magnetic mirror using dielectric resonators

Jiang, Z. H., Yun, S., Lin, L., Brocker, D., Werner, D. H. & Mayer, T. S., 2012, 2012 IEEE International Symposiumon Antennas and Propagation, APSURSI 2012 - Proceedings. 6349206

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Magnetic mirrors
Dielectric resonators
Demonstrations
Lithography
Mirrors
2 Citations (Scopus)

Investigation of time-rated defect formation, infrared absorption and transport characteristics of single-walled carbon nanotubes wet-processed in phosphoric acid

Omari, M., Hosseini, T., Brocker, D. & Kouklin, N. A., Aug 1 2012, In : Nano. 7, 4, 1250026.

Research output: Contribution to journalReview article

phosphoric acid
Infrared absorption
Phosphoric acid
Single-walled carbon nanotubes (SWCN)
Nanotubes
2011
1 Citation (Scopus)

A hybrid approach for large-scale optimizations of medium frequency propagation in coal mines

Brocker, D., Sieber, P. E., Werner, P. L. & Werner, D. H., Nov 1 2011, 2011 IEEE International Symposium on Antennas and Propagation - Proceedings. p. 2391-2394 4 p. 5997002. (IEEE Antennas and Propagation Society, AP-S International Symposium (Digest)).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Coal mines
Wave propagation
Transmitters
Electric lines
Numerical methods