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481
Study on the mechanical properties of multi jet fusion 3D printed PA12 lattice structures
Published 2023“…However, MJF and HSS use inkjet-dispensed agents and a heating element while SLS fuses the powder material through the use of a directed laser beam. Products manufactured by MJF feature a good surface finish, good feature resolution, and consistent mechanical properties, making them appealing to consumers. …”
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Final Year Project (FYP) -
482
Part geometry-driven crystallographic texture control in a 3D-printed austenitic steel – a strategy for near-monocrystalline microstructure generation
Published 2023“…We propose and employ a novel X-shaped geometry to strengthen the 〈001〉 || z crystallographic texture – distinctive of the electron beam powder-bed fusion technique, for a 3D-printed austenitic stainless steel of type 316 L. …”
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Journal Article -
483
Multi-IRS empowered terahertz wireless communication over generalized fading
Published 2024“…To mitigate these limitations and leverage the unique advantages of the THz band, this study investigates a multi-IRS-empowered THz system that incorporates design parameters such as transceiver antenna gains, operation frequency, link distances, molecular absorption losses, beam misalignment, transceiver hardware imperfections, and statistical characteristics of the THz channel. …”
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Conference Paper -
484
A study on the use of femtosecond laser to perform surface polishing on a selective laser melting manufactured type 316L stainless steel
Published 2019“…It appeared to be the effect of more material getting ablated in the depth direction surrounding the particulate where the laser beam was directed to the surface for a longer period. …”
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Final Year Project (FYP) -
485
Broadband strip-line ferromagnetic resonance spectroscopy of soft magnetic CoFeTaZr patterned thin films
Published 2018“…Broadband strip-line ferromagnetic resonance spectroscopy over wide range of frequency (8 – 20 GHz) was used to study the magnetization dynamics as a function of ion-beam dosage. With higher fluences, damping constant showed a continuous increase from 0.0103 to 0.0430. …”
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Journal Article -
486
Coherently tunable triangular trefoil phaseonium metamaterial
Published 2018“…Phaseonium is a three-level Λ quantum system, in which a coherent microwave and an optical control (pump) beams can be used to actively modulate the dielectric response. …”
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Journal Article -
487
Effect of embedded nanoparticle surface chemistry on plasmonic organic photovoltaic devices
Published 2018“…Ligand-free metal NPs prepared by physical methods such as pulsed laser ablation and electron beam evaporation can enhance the PCE when introduced into the BHJ. …”
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Journal Article -
488
Real-time measurement of nano-particle size using differential optical phase detection
Published 2018“…Nano-particle diameters are obtained from the differential phase shift as a result of adding an optical scattering perturbation into two-beam interference. Polystyrene nano-particles with diameters from 200 to 900 nm in a microfluidic channel are detected using this technique to acquire real-time particle diameters. …”
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Journal Article -
489
Long-wavelength monolithic gaInNAs vertical-cavity optical amplifiers
Published 2009“…The VCSOA structure was monolithically grown by molecular beam epitaxy and operated in reflection mode in a fiber-coupled system. …”
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Journal Article -
490
Combined electron imaging and diffraction methods for understanding disordered rocksalt cathodes
Published 2023“…The nature of short range order (SRO) has been identified as a determining factor in the lithium migration properties, yet very few in-depth studies exist in the literature. …”
Thesis -
491
Optical properties of ultrathin metal oxide and metal films : effect of free electrons, quantum confinement and localized surface plasmon resonance
Published 2016“…Ultrathin Au films were deposited using electron beam evaporation technique. Optical properties including dielectric function, optical constant and band gap energy of the thin films were investigated with spectroscopic ellipsometry (SE) based on various optical dispersion models. …”
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Thesis -
492
3D ultrasonic imaging of surface-breaking cracks using a linear array
Published 2022“…Although several ultrasonic imaging methods have been implemented to inspect different types of defects, there has been limited research to characterise surface-breaking cracks (SBCs) in 3D quantitatively. …”
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Journal Article -
493
Performance Characterization of High-Density Electrospray Thrusters
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Article -
494
Digital holography to light field
Published 2014“…Due to its non-interferometric nature, TIE relaxes the stringent beam-coherence requirements for interferometry, extending its applications to various optical fields with arbitrary spatial and temporal coherence. …”
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Conference Paper -
495
Photonic engineering technology for the development of terahertz quantum cascade lasers
Published 2020“…However, the applications of THz QCL require good output characteristics in terms of the emission spectrum, beam quality, power efficiency, and polarization control, which are beyond the reach of the electronic engineering techniques. …”
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Journal Article -
496
Tunable quantum cascade lasers for midinfrared spectroscopic sensing
Published 2024“…Based on this beam combined tunable QCL array, we develop a portable sensor that integrates the modules of drivers, optical sensing, and signal processing in a box. …”
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Thesis-Doctor of Philosophy -
497
Optimizing MC-ICP-MS with SEM protocols for determination of U and Th isotope ratios and 230Th ages in carbonates
Published 2019“…Non-linear behavior was not observed in the MasCom SEM with a retarding potential quadrupole in our MC-ICP-MS system when the beam intensity was limited to < ∼1 × 10 6 cps. We performed a series of tests to examine the influence of tuning parameters, peak shift, and operating voltage of the SEM on isotopic measurements. …”
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Journal Article -
498
Three-dimensional imaging of microstructures by an improved compact digital holographic microscope (ICDHM) with dual wavelength
Published 2018“…A point source generated by a long working distance microscope objective is located into the cube beam-splitter to get a higher numerical aperture (NA) of the system. …”
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Conference Paper -
499
Measuring the hole-state anisotropy in MgB2 by electron energy-loss spectroscopy
Published 2011“…In particular, we have studied two different crystal orientations, [110] and [001], with respect to the incident electron beam direction, and found significant changes in the near-edge fine structure of the B K-edge. …”
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Journal Article -
500
Multiple hollow-core anti-resonant fiber as a supermodal fiber interferometer
Published 2020“…This unique characteristic has driven emerging of new applications spanning from extreme wavelength generation to beam delivery. The successful demonstrations appear to suggest progression of the technology toward device level development and all-fiberized systems. …”
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Journal Article