Browsing by Author "Bayındır, Mehmet"
Now showing items 1-20 of 116
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All-chalcogenide glass omnidirectional photonic band gap variable infrared filters
(AIP Publishing, 2009)We report on the design, fabrication, and characterization of spatially variable infrared photonic band gap filter that consists of thermally evaporated, high refractive indexcontrast, amorphous chalcogenide glass multilayers. ... -
All-chalcogenide variable infrared filter
(SPIE, 2009)We present the design, fabrication, characterization of spatially variable infrared filter and a demonstration of the filter as a simple infrared spectrometer. A varying photonic band gap filter which consists of thermally ... -
Anemone-like nanostructures for non-lithographic reproducible large-area and ultra-sensitive SERS substrates
(Royal Society of Chemistry, 2014)The melt-infiltration technique enables the fabrication of complex nanostructures for a wide range of applications in optics, electronics, biomaterials, and catalysis. Here, anemone-like nanostructures are produced for the ... -
Arrays of indefinitely long uniform nanowires and nanotubes
(Nature Publishing Group, 2011)Nanowires are arguably the most studied nanomaterial model to make functional devices and arrays. Although there is remarkable maturity in the chemical synthesis of complex nanowire structures, their integration and ... -
Artificial olfaction inside nanostructured infrared fiber arrays
(IEEE, 2011)Nanostructured hollow core fibers are used to demonstrate a new infrared absorption based artificial nose. The sensor unit of the array is a hollow core Bragg fiber that selectively guides incident blackbody radiation and ... -
Band-dropping via coupled photonic crystal waveguides
(Optical Society of American (OSA), 2002)We observe the dropping of electromagnetic waves having a specific frequency or a certain frequency band in two-dimensional dielectric photonic crystals. The single frequency is dropped via cavity-waveguide coupling. ... -
Binary coded identification of industrial chemical vapors with an optofluidic nose
(OSA - The Optical Society, 2016)An artificial nose system for the recognition and classification of gas-phase analytes and its application in identifying common industrial gases is reported. The sensing mechanism of the device comprises the measurement ... -
Bio-inspired hierarchically structured polymer fibers for anisotropic non-wetting surfaces
(Royal Society of Chemistry, 2017)We demonstrate a rice leaf-like hierarchically textured polymer fiber array for anisotropic non-wetting surfaces. To provide superhydrophobicity in addition to the anisotropic behavior, fiber surfaces are spray coated with ... -
Bio-insprired optoelectronic digital nose for breath analysis
(2011)A novel electronic nose device is presented that can be used in disease diagnostics by exhaled breath analysis. Exhaled breath contains more than a thousand organic compounds that can be analysed to insect various diseases ... -
Bioinspired optoelectronic nose with nanostructured wavelength-scalable hollow-core infrared fibers
(Wiley, 2011)A digital photonic nose concept based on infrared absorption inside a hollow core infrared transmitting fiber array is presented. Wavelength-scalable photonic band gap fibers filter specific energy photons from a blackbody ... -
Biomimicry of multifunctional nanostructures in the neck feathers of mallard (Anas platyrhynchos L.) drakes
(Nature Publishing Group, 2014-04-22)Biological systems serve as fundamental sources of inspiration for the development of artificially colored devices, and their investigation provides a great number of photonic design opportunities. While several successful ... -
Bose-Einstein condensation in a one-dimensional interacting system due to power-law trapping potentials
(American Physical Society, 1999)We examine the possibility of Bose-Einstein condensation in one-dimensional interacting Bose gas subjected to confining potentials of the form V ext(x) = V 0(|x|/a) γ, in which γ<2, by solving the Gross-Pitaevskii ... -
Bose-Einstein condensation in a two-dimensional, trapped, interacting gas
(American Physical Society, 1998)We study the Bose-Einstein condensation phenomenon in a two-dimensional (2D) system of bosons subjected to a harmonic-oscillator-type confining potential. The interaction among the 2D bosons is described by a δ function ... -
Bose-Einstein condensation of noninteracting charged Bose gas in the presence of external potentials
(Elsevier Science Publishers B.V., 2001)We investigate thermodynamic properties of noninteracting charged bosons in the presence of externally applied electric and magnetic fields. Using the semiclassical density of states, we obtain the condensate fraction, ... -
Continuous triboelectric power harvesting and biochemical sensing inside poly(vinylidene fluoride) hollow fibers using microfluidic droplet generation
(Wiley-Blackwell, 2016-11)Triboelectric power harvesting and biochemical sensing inside poly(vinylidene fluoride) hollow fibers. Fiber‐based microfluidic energy harvesting system, which is also utilized as self‐powered chemical and biosensor. In ... -
Coupled optical microcavities in one-dimensional photonic bandgap structures
(Institute of Physics Publishing, 2001)We present a detailed theoretical and experimental study of the evanescent coupled optical microcavity modes in one-dimensional photonic bandgap structures. The coupled-cavity samples are fabricated by depositing alternating ... -
Coupled-cavity structures in photonic crystals
(Materials Research Society, 2002)We investigate the localized coupled-cavity modes in two-dimensional dielectric photonic crystals. The transmission, phase, and delay time characteristics of the various coupled-cavity structures are measured and calculated. ... -
Cytotoxicity of multifunctional surfactant containing capped mesoporous silica nanoparticles
(Royal Society of Chemistry, 2016)This paper reports the synthesis of silica capped surfactant (cetyltrimethylammonium bromide; CTAB) and dye (Rose Bengal; RB) containing mesoporous silica nanoparticles (MSNs). Capping the pores of the surfactant containing ... -
Disorder and localization in the lowest Landau level in the presence of dilute point scatterers
(Pergamon Press, 1999)We study the localization properties of a two-dimensional noninteracting electron gas in the presence of randomly distributed short-range scatterers in very high magnetic fields. We evaluate the participation number of the ... -
Dropping of electromagnetic waves through localized modes in three-dimensional photonic band gap structure
(AIP Publishing, 2002-12-03)We experimentally demonstrate trapping and dropping of photons through localized cavity modes in three-dimensional layer-by-layer photonic crystal structures. By creating acceptor- and donor-like cavities which are coupled ...
