Başlık için Fizik listeleme

Sırala: Sıra: Sonuçlar:

  • Laser assisted growth of silicon nano-structures 
    Demirbaş, Elif. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    In this study, the aim is to produce homogeneous porous silicon(PS) nanostructures and then to observe the effect of resistivity of starting silicon samples. P-type silicon wafers with di erent resistivity are prepared by ...
  • Light-matter interaction in photonic cavities 
    Gökbulut, Belkıs. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2020., 2020.)
    In this thesis, light‒matter interaction in several novel photonic platforms are investigated by time-resolved fluorescence lifetime measurements along with their theoretical and numerical analyses. Firstly, a simple ...
  • Linac and damping ring designs of the future circular e+e− collider of CERN 
    Oğur, Salim. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    CERN has started the design of a 98 km circular positron-electron collider as a first step of the global Future Circular Collider (FCC) project since 2014. The FCCe+e− is being designed to furnish high luminosities for Z, ...
  • Machine learning algorithms in classification and diagnostic prediction of cancers using gene expression profiling 
    Altındal, Tuba. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2006., 2006.)
    The performance of certain machine learning algorithms in classification and diagnostic prediction of small round blue cell tumors (SRBCTs) of childhood is investigated. Before classifying samples, including both tumor ...
  • Macrospin model of magnetization dynamics governed by Landau-Lifshitz-Bloch equation of motion 
    Kılıç, Ufuk. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    The main physical limitation in the down-scaling of magnetic data storage technologies, namely the superparamagnetic effect, can be pushed back considerably by using high perpendicular magnetic anisotropy materials. The ...
  • Mathematical modeling of MMPS in canser 
    Yonucu, Şirin. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Social Sciences, 2012., 2012.)
    New approaches like mathematical modeling appeared in biology to explain the accumulation of extensive data about complex biological systems like tumors. Mathematical models of tumors which have been studied for over 50 ...
  • Maximally symmetric cosmologies 
    Şahin, Şelale. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2018., 2018.)
    In this thesis we will give a review of maximally symmetric spacetimes. There are only three of these spacetimes namely, Minkowski, de Sitter and anti-de Sitter spacetimes represented with zero, positive and negative ...
  • Measurement of heat, strain, and refractive index with multicore optical fibers 
    Güvenç Kılıç, Sema. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2020., 2020.)
    In this thesis, different types of multicore optical fibers are designed and employed in the optical sensing experimental setups to investigate their detection abilities of temperature, heat transfer rate, strain, and ...
  • Measurement of physical and optical properties of thin films with an ellipsometric technique 
    Ertuğrul, Emine. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    In this thesis, working mechanism of ellipsometer is studied in details. Thickness and refractive index of polyethyleneglycol(PEG), gold and silicon dioxide lms are measured using an elipsometer. PEG is attached to a gold ...
  • Measurement of the differential dijet production cross section in proton-proton collisions at √s= 7 TeV 
    Işıldak, Bora. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    A measurement of the double-di erential inclusive dijet production cross section in proton-proton collisions at √s = 7 TeV is presented as a function of the dijet invariant mass and jet rapidity. The data correspond to ...
  • Mechanical characterization of cells and tissues by scanning acoustic microscopy and optical tweezers 
    Demirkan, İrem. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2020., 2020.)
    Cell and tissue mechanics has a vital role in several pathological and physiological processes. Mechanical perturbations produce numerous biological processes within a cell or a tissue, which can result in mechanical ...
  • Mechanically exfoliated single and multilayer graphene sheets and graphene field effect transistor 
    Manukyan, Selin. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    Graphene is a single layer of graphite sheet; one atom thick sp2-bonded carbon atoms organized on a plane. It has extremely interesting electrical properties, which o ers various applications in a number of nanometer scale ...
  • Modeling of multi lane highway traffic and analysis of jam formation 
    İmrem, Ayşe Nihan. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    Have you ever wondered how many hours you have spent sitting in a bumper-to-bumper traffic? We wrote a simulation code for defining both the Turk- ish driver behavior and their effect to traffic flow. We propose a Cellular ...
  • Models for magnetic resonance observation of diffusion in cellular environments 
    Memiç, Muhammet. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    Diffusion tensor imaging (DTI) is a widely used way of mapping anatomical connectivity in the brain. However, it is based on two basic features that limit the validity of the model : (i) It is a Gaussian based model. ...
  • Modified theories of gravity via alternative couplings and their cosmological analyses 
    Kavuk, Mehmet. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    We propose alternative gravitational couplings, fields and design some models to explain some cosmological problems. We investigate a cosmological model in which the Stueckelberg fields describing a massive photon are ...
  • Multiparameter generalization of deformed particle algebras 
    Arıkan, Ali Serdar. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2004., 2004.)
    In this study, we generalize deformed boson and fermion algebras by considering as many deformation parameters as possible. The restriction on the number of deformation parameters emerges from the relations leaving the ...
  • Muon track reconstruction from cathode strip readout of streamer tube planes in chorus muon spectrometer 
    Perdahçı, Nazım Ziya. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1996., 1996.)
    We have studied several methods to achieve the best spatial resolution and the highest track reconstruction efficiency using the limited streamer tube planes with external pickup strips orthogonal to signal wires and the ...
  • Narrow escape time in biology 
    Selçuk, Özlem. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    In biological systems, the main challenges in modeling transport processes can be summarized as being inside a heterogeneous medium, which is a fluctuating environment, and striving to reach to a chemically active receptor, ...
  • Near infrared laser beam and silicon water interactions 
    Akşit Kaya, Elif Türkan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    At 1070 nm wavelength, Nanosecond (ns) pulse and Continuous Wavelength (CW) lasers’ ablation of n-type(100) and p-type(111) Si wafer is presented in ambient, water and glycerin environments. Impacts of laser emission mode, ...
  • Noise robust real-time focus detection with deep learning for ultra-fast laser micromachining 
    Polat, Can. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2022., 2022)
    In this thesis, different types of machine learning models are provided for ultra-fast laser micromachining system to actively control the focusing of light on the processing material by detecting the reflected light. These ...