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Browsing Faculty Publications (Engineering) by Author "Hajisalem, Ghazal"

Browsing Faculty Publications (Engineering) by Author "Hajisalem, Ghazal"

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  • Antenna Design for Directivity-Enhanced Raman Spectroscopy 
    Ahmed, Aftab; Pang, Yuanjie; Hajisalem, Ghazal; Gordon, Reuven (International Journal of Optics, 2012-01)
    Antenna performance can be described by two fundamental parameters: directivity and radiation efficiency. Here, we demonstrate nanoantenna designs in terms of improved directivity. Performance of the antennas is demonstrated ...
  • Effect of surface roughness on self-assembled monolayer plasmonic ruler in nonlocal regime 
    Hajisalem, Ghazal; Min, Qiao; Gelfand, Ryan; Gordon, Reuven (Optics Express, 2014-04-15)
    Recently, self-assembled monolayers (SAMs) have been used for plasmonic rulers to measure the nonlocal influence on the Au nanoparticle - metal film resonance wavelength shift and probe the ultimate field enhancement. Here ...
  • Interband transition enhanced third harmonic generation from nanoplasmonic gold 
    Hajisalem, Ghazal; Hore, Dennis K.; Gordon, Reuven (Optical Materials Express, 2015-09-15)
    We measure third harmonic generation (THG) as a function of infrared fundamental wavelength for gold nanoparticles over a gold film. An order of magnitude enhancement in THG is found at ~2.5 eV. We ensure that this enhancement ...
  • Nanorod Surface Plasmon Enhancement of Laser-Induced Ultrafast Demagnetization 
    Xu, Haitian; Hajisalem, Ghazal; Steeves, Geoffrey M.; Gordon, Reuven; Choi, Byoung C. (Nature: Scientific Reports, 2015-10-30)
    Ultrafast laser-induced magnetization dynamics in ferromagnetic thin films were measured using a femtosecond Ti:sapphire laser in a pump-probe magneto-optic Kerr effect setup. The effect of plasmon resonance on the transient ...
  • Trace cancer biomarker quantification using polystyrene-functionalized gold nanorods 
    Wu, Jian; Li, Wei; Hajisalem, Ghazal; Lukach, Ariella; Kumacheva, Eugenia; Hof, Fraser; Gordon, Reuven (Biomedical Optics Express, 2014-11)
    We demonstrate the application of polystyrene-functionalized gold nanorods (AuNRs) as a platform for surface enhanced Raman scattering (SERS) quantification of the exogenous cancer biomarker Acetyl Amantadine (AcAm). We ...

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