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Theoretical and Computational Study of Optical Properties of Complex Plasmonic Structures

Khosravi Khorashad, Larousse
http://orcid.org/0000-0003-0461-5638
http://rave.ohiolink.edu/etdc/view?acc_num=ohiou150834414639462

Abstract Details

2017, Doctor of Philosophy (PhD), Ohio University, Physics and Astronomy (Arts and Sciences).
Research on plasmonics science and study of optical properties of photonic devices at the nanoscale have become extremely prominent and desirable among scientists over the past few decades owing to the introduction of innovative plasmonic devices and their vast applicability. The quest for light manipulation in metallic nanostructures and harvesting energy at the nanoscale have grown greatly due to the creation of novel optical devices for applications ranging from functional metamaterials and cloaking to optical sensing and plasmonic waveguides. This dissertation presents a rigorous study of different nanostructures for specific purposes. Circular dichroism of chiral nanostructures, optical activity of metamaterials, thermal properties and heat dissipation in nanosytems, and directional radiation are main categories which are studied in this work. Theoretical understanding of the behavior of nanostructures involves physics models along with a variety of computational tools such as the point dipole approximation, the discrete dipole approximation, the finite difference method, and the finite element method. In most cases where the experimental observations are available, the informed calculations showed good agreement with observations. In other cases, efficient and appropriate arrangement of nanoparticles are proposed for custom-made and distinct experimental applications. Some of the models represent novel approaches that offer new experimental and measurement possiblities.
Alexander O. Govorov, Distinguished Professor (Advisor)
Nancy Sandler, Professor (Committee Member)
Eric Stinaff, Dr. (Committee Member)
Savas Kaya, Professor (Committee Member)
154 p.
Condensed Matter Physics; Nanoscience; Nanotechnology; Optics; Physics
Plasmonics; Circular Dichroism; Metamaterials; Heat Dissipation; Nanostructures

Recommended Citations

Citations

  • Khosravi Khorashad, L. (2017). Theoretical and Computational Study of Optical Properties of Complex Plasmonic Structures [Doctoral dissertation, Ohio University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou150834414639462

    APA Style (7th edition)

  • Khosravi Khorashad, Larousse. Theoretical and Computational Study of Optical Properties of Complex Plasmonic Structures. 2017. Ohio University, Doctoral dissertation. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=ohiou150834414639462.

    MLA Style (8th edition)

  • Khosravi Khorashad, Larousse. "Theoretical and Computational Study of Optical Properties of Complex Plasmonic Structures." Doctoral dissertation, Ohio University, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou150834414639462

    Chicago Manual of Style (17th edition)

ohiou150834414639462
432
© 2017, all rights reserved.
This open access ETD is published by Ohio University and OhioLINK.