Now showing items 4040-4059 of 5747

    • Plane-wave theory of single-crystal upconversion optical parametric oscillators 

      Dikmelik, Yamaç (Bilkent University, 1998)
      'rhis thesis pi'('s('nts a theoi'etical analysis of single-crystal upconversion optical parametric oscillators (OPO’s) where a single nonlinear crystal is used for both the OPO and sum-frequency generation (SPG) or ...
    • Planning and control of AGVs in AMRF decision hierarchy 

      Yılmaz, Haluk (Bilkent University, 1993)
      Scheduling efforts made without considering the special limitations of the material handling system might lead to infeasible results. This problem especially becomes important when the Automated Guided Vehicles (AGV) are ...
    • Planning considerations for underground train stations 

      Altay, Yunus (Bilkent University, 1997)
      The basic design considerations of an underground train station are tried to be defined and examined in this study. The issues covered are, basically, the circulation and spatial orientation, satisfaction of psychological ...
    • Planning for complex modernity : the Turkish case 

      Yılmaz, Cevdet (Bilkent University, 2003)
      This thesis investigates the relationship between planning and modernity, follows the evolution of conventional planning within epistemological shifts and globalization processes, and searches for a communicative planning ...
    • Plasma-assisted atomic layer deposition of III-nitride thin films 

      Özgit-Akgün, Çağla (Bilkent University, 2014)
      III-nitride compound semiconductors and their alloys have emerged as versatile and high-performance materials for a wide range of electronic and optoelectronic device applications. Besides possessing very unique material ...
    • Plasmonic band gap cavities 

      Kocabaş, Aşkın (Bilkent University, 2008)
      Surface plasmon polaritons (SPP’s) are trapped electromagnetic waves coupled to free electrons in metals that propagate at the metal-dielectric interfaces. Due to their surface confinement and potential in sub-wavelength ...
    • Plasmonic nanoantennas for enhanced light-matter interactions and graphene based tunable nanophotonic devices 

      Çakmakyapan, Semih (Bilkent University, 2015)
      Focusing, manipulating and beaming of electromagnetic waves are important for many applications such as antennas, optical isolators, biological sensor, chemical sensors, and solar cells. There is an extensive research ...
    • Plasmonic nanoparticles by laser dewetting of thin metallic films 

      Sarıtaş, Seval (Bilkent University, 2013)
      In this work, formation of metal nanoparticles via laser induced dewetting and their plasmonic properties have been investigated. The effects of metal film, substrate type, laser power density and dwell time on dewetting ...
    • Plasmonically enhanced hot electorn based optoelectronic devices 

      Atar, Fatih Bilge (Bilkent University, 2015-06)
      Hot electron based optoelectronic devices have been regarded as cost-e ective candidates to their conventional counterparts. The efficiency of conventional optoelectronic devices that rely on semiconductor photo-absorbers ...
    • Plasmonically enhanced silicon infrared Schottky detector 

      Polat, Kazım Gürkan (Bilkent University, 2011)
    • Plasmonics from metal nanoparticles for solar cell applications 

      Günendi, Mehmet Can (Bilkent University, 2013)
      In today’s economy, need for development in energy is essential. Solar energy is safe, and at the same time is one of the cleanest, cheapest choices of energy alternative to fossil fuels. In this perspective, using the ...
    • Platelet-derived microparticles differentially regulate macrophage polarization 

      Köksal, Elif Senem (Bilkent University, 2016-09)
      Platelet-derived microparticles (PMPs) shed from platelets upon activation and constitute almost 90% of the circulating microparticles. Due to their versatile cargo, PMPs were associated with the generation of immunosuppressive ...
    • PLAWE: A piecewise linear circuit simulator using asymptotic waveform evaluation 

      Topçu, Satılmış (Bilkent University, 1994)
      A new circuit simulation program, PLAWE, is developed for the transient analysis of VLSI circuits. PLAWE uses Asymptotic Waveform Evaluation (AWE) technique, which is a new method to analyze linear(ized) circuits, and ...
    • Plurality of online intimate partners and its impact on exclusivity of cyber-love 

      Tuncez, Meriç (Bilkent University, 2016-05)
      Online courtship practices and the nature of virtual relating have been evolved within the last decades thanks to the introduction of hypermediacy, ubiquitous computing, location awareness, and geosocial tagging that creates ...
    • The poetic geography 

      Türkyılmaz, Mürüvvet (Bilkent University, 1999)
      In this study, Dada and Surrealism movements are analysed and compared with each other in accordance with historical, social, economical and political conditions. Especially, the techniques of Automatic Writing and Automatic ...
    • Poisson disorder problem with control on costly observations 

      Kadiyala, Bharadwaj (Bilkent University, 2012)
      A Poisson process Xt changes its rate at an unknown and unobservable time θ from λ0 to λ1. Detecting the change time as quickly as possible in an optimal way is described in literature as the Poisson disorder problem. ...
    • Polar codes for distributed source coding 

      Önay, Saygun (Bilkent University, 2014)
      Polar codes were invented by Arıkan as the first “capacity achieving” codes for binary-input discrete memoryless symmetric channels with low encoding and decoding complexity. The “polarization phenomenon”, which is the ...
    • Polar codes for optical communications 

      Ahmad, Tufail (Bilkent University, 2016-05)
      Optical communication systems have become the backbone of long distance communication networks due to their ability to transport data at high rates. A typical modern optical communication system should be capable to achieve ...
    • Polar Reed-Solomon concatenated codes for optical communications 

      Ertuğrul, Yiğit (Bilkent University, 2020-08)
      A concatenated forward error correcting (FEC) code is developed by targeting optical communications. Polar and product Reed-Solomon (RS) codes are used as inner and outer codes, respectively. An interleaver block is designed ...
    • Polarization included geometry based channel modeling for MIMO systems 

      Akkaya, Keziban (Bilkent University, 2008)
      Most of the studies in the literature about channel modeling do not include the polarization. Aiming to develop a more realistic geometric model including polarization, the channel characteristics are examined using ...