Showing 1,021 - 1,040 results of 1,249 for search '((((bears OR (beams OR beam)) OR ((bear OR fear) OR bar)) OR bee) OR besar)', query time: 0.24s Refine Results
  1. 1021
  2. 1022

    Squeezing the Quantum Noise of LIGO below the Standard Quantum Limit by Jia, Wenxuan

    Published 2024
    “…The SQL applies when using uncorrelated photons or coherent light to measure the object, such as a laser beam. However, introducing quantum correlations through squeezed light, a technique called squeezing (Chapter 2), can circumvent this limit. …”
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    Thesis
  3. 1023

    Growth of gallium nitride nanowires by low pressure chemical vapor deposition (LPCVD) by Wang, Jianbo

    Published 2013
    “…Growth of III-Nitride nanowires on Si, which is the most commonly used substrate in microelectronic industry, using different growth techniques such as conventional Chemical Vapor Deposition (CVD), Metal Organic Chemical Vapor Deposition (MOCVD), and Molecular Beam Epitaxy (MBE) etc. have been explored. Low pressure chemical vapor deposition (LPCVD), which is widely used in Si wafer fabs, is of particular interest due to its low cost, ability to handle large size wafer and high throughput. …”
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    Thesis
  4. 1024

    Ordered hybrid nanoneedle arrays for gas sensing by Liu, Hai

    Published 2014
    “…In the present thesis, a novel ordered metal/silicon hybrid nanoneedle array is fabricated using an ion beam that patterns the metal/silicon substrate producing a pillar array followed by the self-organization of hybrid nanoneedles. …”
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    Thesis
  5. 1025

    Surface plasmon resonance (SPR) enhanced biosensors by Zhang, Jinling

    Published 2016
    “…The fabrication steps of the arrays were composed of electron-beam lithography and nano-imprint lithography. In comparison with the PAuNH array, the AuNH array offered higher field enhancement for fluorescence when only LSP was excited. …”
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    Thesis
  6. 1026

    Two-dimensional transitional metal dichalcongenide heterostructures : interface optical properties by Zheng, ShouJun

    Published 2018
    “…In the hBN/TMDC/hBN heterostructure, e-beam induced e-h pairs can transfer to and be trapped in the middle TMDC layer, leading to increased recombination probability within the TMDC layer. …”
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    Thesis
  7. 1027

    Novel heat treatment methodology for residual stress relieve of AlSi10Mg without compromise of mechanical strength by Lim, Chong Heng

    Published 2021
    “…Additive manufacturing (AM) has made the fabrication of complex parts possible which otherwise, would not have been possible with conventional subtractive manufacturing. Laser Beam Powder Bed (LBPB) Fusion, commonly known as Selective Laser Melting (SLM), is one of the methodologies in AM for metal fabrication. …”
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    Thesis-Doctor of Philosophy
  8. 1028

    SPP/LSP coupled hybrid mode directed multi-functional surface-enhanced Raman system by Du, Luping

    Published 2013
    “…In the experiment, SPPs are excited by a tightly-focused radially polarized beam and interact with the nanospheres to generate the plasmon-hybrid-mode, exactly according to the second configuration aforementioned. …”
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    Thesis
  9. 1029

    Hybrid lasers and modulator on silicon in the near- and mid-infrared region by Hu, Xiaonan

    Published 2017
    “…The lateral grating can be fabricated by CMOS-compatible inline lithography, which avoids the use of expensive and time-consuming electron beam lithography. The device works at room temperature with the single-side-suppression-ratio (SMSR) of 20 dB and the threshold current density is 1.54 kA/cm2. …”
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    Thesis
  10. 1030

    Pulsed fiber laser at 1 μm wavelength region by Liu, Meng

    Published 2017
    “…The optical-to-optical conversion efficiency of ~ 67% for the main amplifier and the 4σ beam quality (M2) of 1.7 is obtained. The limiting factors for high power YDPFLs (such as ASE, Stimulated Raman Scattering (SRS) and Stimulated Brillouin Scattering (SBS)) are cautiously studied and addressed. …”
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    Thesis
  11. 1031
  12. 1032

    Developments in THz Polaritonics: Towards Integrated Nonlinear THz Spectroscopy by Sung, Eric Rueyhao

    Published 2024
    “…The optical pump light is focused onto the bevel, after which it refracts and becomes confined within the waveguide by total internal reflection. This allows the pump beam to repeatedly drive the generated THz field during its multiple back-and-forth traversals within the LN slab. …”
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    Thesis
  13. 1033

    Developing metallic cathode for low-temperature solid oxide fuel cell applications by Yu, Chen-Chiang

    Published 2017
    “…To study the stability of metallic cathode, an interfacial structure characterization method, double cantilever beam delamination, was developed to determine the triple phase boundary structure for the thin-film electrode. …”
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    Thesis
  14. 1034

    Investigations into femtosecond laser hybrid manufacturing for 3D power sources by Tham, Nicholas Cheng Yang

    Published 2021
    “…These VPGs are then demonstrated as active beam steering units and tuneable spectroscopic optical elements. …”
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    Thesis-Doctor of Philosophy
  15. 1035

    A Brewster route to Cherenkov detectors by Lin, Xiao, Hu, Hao, Easo, Sajan, Yang, Yi, Shen, Yichen, Yin, Kezhen, Blago, Michele Piero, Kaminer, Ido, Zhang, Baile, Chen, Hongsheng, Joannopoulos, John, Soljačić, Marin, Luo, Yu

    Published 2022
    “…Our angular-selective Brewster paradigm offers a feasible solution to implement compact and highly sensitive Cherenkov detectors especially in beam lines with a small angular divergence using regular dielectrics.…”
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    Journal Article
  16. 1036

    Compositionally graded alloys fabricated using the laser powder bed fusion technique by Wei, Siyuan

    Published 2023
    “…In this study, among the several available AM processes, the LPBF technique is selected to fabricate compositionally graded alloys, as it has higher spatial resolution and lower cost, compared to directed energy deposition (DED) and electron beam powder bed fusion (EBPBF). With three different LPBF setups and four alloy systems examined in this study, the following objectives are achieved: (i) screening out, from a large range of compositions, the alloys that are amenable to LPBF, (ii) examining the effects of the LPBF characteristics, e.g., rapid cooling rate, on the micro-/meso-structure and properties of the fabricated parts with varying chemical compositions, and (iii) evaluating the fabrication methods in terms of types of achieved gradation (stepwise or smooth), efficiency, and level of chemical segregation. …”
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    Thesis-Doctor of Philosophy
  17. 1037

    Synthesis and characterization of Cu-Chalcogenide nanocrystals for potential applications in low-cost solar cells by Ahmadi, Mahshid

    Published 2013
    “…Since the opto-electrical properties of the NCs are highly dependent on the composition and crystal structure, X-ray diffraction, selected area electron diffraction, convergent beam electron diffraction and Raman spectroscopy were used to determine their crystal structure. …”
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    Thesis
  18. 1038

    Design and analysis of passive phase shifters using controllable defected ground structures in 65nm CMOS technology for 77-81 GHz automotive radar by Wu, Jiaqi

    Published 2024
    “…Phased array radar is a low cost and promising technique to achieve high angular resolution by scanning a narrow beam in azimuth. The key enabler of a phased array radar is the phase shifter, which provides a progressive phase difference in each channel to achieve beamforming. …”
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    Thesis-Doctor of Philosophy
  19. 1039

    Solution processed transition metal oxides selective contacts for Si heterojunction solar cells by Lu, Chenjin

    Published 2021
    “…In this work, we have first prepared hole selective contacts using solution processed MoOx (s-MoOx) by spin-coating and physical evaporated MoOx (e-MoOx) by electron beam evaporator. The performance of the s-MoOx/Si HSC has been investigated and optimized, which has been demonstrated solar cell efficiency of 12.5% for s-MoOx/Si HSC that is comparable to efficiency of 13.3% for e-MoOx/Si HSC. …”
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    Thesis-Doctor of Philosophy
  20. 1040

    Enhancing tensile and fatigue properties of additively manufactured alloys by post-processing heat treatment by Radhakrishnan, Jayaraj

    Published 2022
    “…Amongst the different AM techniques, laser beam-powder bed fusion (LB-PBF) is the most abundantly investigated process due to its deep market penetration as well as the vast number of LB-PBF machine manufacturers. …”
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    Thesis-Doctor of Philosophy