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microscopy DAMOP poster - Yavuz Lab!
microscopy DAMOP poster - Yavuz Lab!

... We proposed a novel use of EIT which shows promise for sub-wavelength imaging. Our simulations show that two, on-resonant laser beams focused to a diffraction limited spot produces an excitation that is a factor of nine tighter than the optical waist. Possible experimental issues include mechanical ...
EFFECT OF TEMPERATURE ON THE REFRACTIVE INDICES AND
EFFECT OF TEMPERATURE ON THE REFRACTIVE INDICES AND

... The liquid crystal was encapsulated in a cell with plane-parallel glass plates, prepared to provide a planar and uniaxial alignment of the molecules. The cell with liquid crystal was thermostated using a special electric oven and temperature was measured with a digital thermometer with accuracy of 0 ...
Hard water:
Hard water:

... Electrochemistry: It is a branch of chemistry that studies chemical reactions which take place in a solution at the interface of an electron conductor (a metal or a semiconductor) and an ionic conductor (the electrolyte), and which involve electron transfer between the electrode and the electrolyte. ...
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... The near field decays exponentially with distance The tip should be kept at a controllede distance from the sample surface Feed back mechanism: shear force (similar to AFM tapping mode) Feedback detection: quartz oscillator (STM current is not suitable for biological samples; optical methods are dis ...
7_SNOM
7_SNOM

... The near field decays exponentially with distance The tip should be kept at a controllede distance from the sample surface Feed back mechanism: shear force (similar to AFM tapping mode) Feedback detection: quartz oscillator (STM current is not suitable for biological samples; optical methods are dis ...
M.H. Lu, C.F. Madigan, and J.C. Sturm, "Experiment and modeling of conversion of substrate-wave-guided modes to surface-emitted light by substrate patterning," Mat. Res. Soc. Symp. Proc. 621, pp. Q3.7.1-Q3.7.6 (2000).
M.H. Lu, C.F. Madigan, and J.C. Sturm, "Experiment and modeling of conversion of substrate-wave-guided modes to surface-emitted light by substrate patterning," Mat. Res. Soc. Symp. Proc. 621, pp. Q3.7.1-Q3.7.6 (2000).

... planar two-layer OLED with a 20 nm Alq3 layer. Solid square and upper triangle: measured TE and TM intensity. Solid and dashed lines: theory. edges are flat but not optically clear, acting as a diffusive scatterer. With this method the change in the optical energy in the substrate modes can be direc ...
Near-field thermal transport in a nanotip under laser irradiation
Near-field thermal transport in a nanotip under laser irradiation

... tungsten was also calculated by the boundary element method (BEM) [55]. The temperature in a thin and semi-infinite metallic sample was also compared [55, 56]. The calculations showed that the maximal temperature of the thin metallic film is one order of magnitude larger than for the thick sample [5 ...
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... Magnesium Fluoride Single layer coating film n =1:38 Performance isn’t effected by water MgF2 is another excellent choice for deep UV to infrared regions, with good transmission range from 0.15 µm to 6.5 µm MgF2 is one of the lowest index infrared materials, which usually doesn’t require anti-reflec ...
electrochemistry - einstein classes
electrochemistry - einstein classes

... [Answers : (1) b (2) a (3) d (4) a (5) a] C5A Electrochemical Cell : A devide that converts chemical energy into electrical energy. The cell is based on the principle of indirect redox reactions, i.e, the oxidation and reduction reactions takes place in different container. The electrochemical cells ...
Tailoring crystalline structure in N-doped TiO2 thin films: application to photocatalytic and biological reactions.
Tailoring crystalline structure in N-doped TiO2 thin films: application to photocatalytic and biological reactions.

... Titanium dioxide is found naturally in three crystalline phases: anatase, rutile and brookite, as well as in an amorphous phase. The amorphous phase is sought after for good quality optical films while anatase phase is known to have a higher photocatalytic activity than the other crystal types of Ti ...
How Surface Topography Relates to Materials` Properties
How Surface Topography Relates to Materials` Properties

... electrons and the difference in fracture behavior choice. gyration, Rg, and even within an entangled sysin SEM, as well as the use of various oscillating Profilometry can generate an image of the tem, the undulations that form on the surface of tips or lateral force modes in scanning force surface h ...
Optical Dyakonov surface waves at magnetic interfaces
Optical Dyakonov surface waves at magnetic interfaces

... this Letter we use a different approach, studying, for the first time to our knowledge, Dyakonov waves in magnetic materials. The results reveal that the existence domains are enhanced compared with those encountered in nonmagnetic materials in both interface3,4,8 and nanolayer structures.5–7 A moti ...
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I Plasmonics gets transformed news & views

... other electronic components, which can be improved through engineered redundancy and parallel arrays7, as well as by the high precision and yield demonstrated by the Nanosys researchers. Another important factor for manufacturing devices by self-assembly of synthetic nanowires will be speed. A nanow ...
Journal of Molecular Catalysis A: Chemical Enhancing
Journal of Molecular Catalysis A: Chemical Enhancing

... presence of double bond [33] and upfield shift in the signal of saturated methylene protons containing alcoholic group. Monohalogenation of diols [34] is often a stubborn problem in different synthetic endeavoures, as there is considerable formation of disubstituted product. Immiscibility of ionic li ...
The Analysis of Liquid Crystal Phases using Polarized Optical
The Analysis of Liquid Crystal Phases using Polarized Optical

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ENE 623 - web page for staff
ENE 623 - web page for staff

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O 28: Plasmonics and Nanooptics IV: Light
O 28: Plasmonics and Nanooptics IV: Light

... Focusing of Surface Plasmon Polaritons (SPPs) with nanooptical elements extends the comprehension of nonlinear phenomena on Au surfaces. We use femtosecond-laser-pulses (<15 fs) to excite SPPs, which can be observed in a direct conceptual visualization in our Photoemission Electron Microscope (PEEM) ...
FIB – an easy tool for fabrication of high quality plasmonic structures
FIB – an easy tool for fabrication of high quality plasmonic structures

... detected from top using SNOM in the collection mode. Fig. 1a) shows the topography of the prepared structures and in Fig. 1b) the theoretical near field distribution is presented. ...
Advances In Processing of Compound Semiconductor Substrates
Advances In Processing of Compound Semiconductor Substrates

... overcome the difficulties with the carrier. Instead of introducing a mechanical separation through the use of a dummy substrate, the proximity subsystems within the aligner are used to create a pre-defined offset from the chuck to allow calibration of the focal plane. In this manner, the offset can ...
The Mechanism of Electrode Erosion in Electrical Discharges
The Mechanism of Electrode Erosion in Electrical Discharges

... the most important property, for any given properties of the electrode has been applied amount of energy released, is that of high in a number of different cases for which boiling point. The physical reason for this is, experimental data on spark erosion are of course, that high values of this prope ...
Get PDF - OSA Publishing
Get PDF - OSA Publishing

... acquired is indeed a dark-field image, which is also consistent with results obtained by fluorescent-dye-based PDF microscopy demonstrated before [3]. Therefore, OLED-based PDF microscopy is capable of forming highcontrast images of objects lying close to the metal film with a highly integrated acti ...
Electrochemistry
Electrochemistry

... means that we must provide a path for ions to move directly from one cell to the other. This ionic transport involves not only the electroactive species Cu2+ and Zn2+, but also the counterions, which in this example are NO3–. Thus an excess of Cu2+ in the left compartment could be alleviated by the ...
112- Unit I -Electrochem -pdf
112- Unit I -Electrochem -pdf

... Determining the pH of a solution by measuring the Ecell: Here we will calculate the concentration of a single ionic species from the experimentally measured potential of a carefully designed cell. A Cu/H2 cell is used to measure the [H+] concentration. Voltage can be measured when the Cu electrode ...
Equilibrium Electrochemistry
Equilibrium Electrochemistry

... themselves have different conc, either because they are gas electrodes operating at different pressures or because they are amalgams (sol in mercury) with ...
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Scanning electrochemical microscopy

Scanning electrochemical microscopy (SECM) is a technique within the broader class of scanning probe microscopy (SPM) that is used to measure the local electrochemical behavior of liquid/solid, liquid/gas and liquid/liquid interfaces. Initial characterization of the technique was credited to University of Texas electrochemist, Allen J. Bard, in 1989. Since then, the theoretical underpinnings have matured to allow widespread use of the technique in chemistry, biology and materials science. Spatially resolved electrochemical signals can be acquired by measuring the current at an ultramicroelectrode (UME) tip as a function of precise tip position over a substrate region of interest. Interpretation of the SECM signal is based on the concept of diffusion-limited current. Two-dimensional raster scan information can be compiled to generate images of surface reactivity and chemical kinetics.The technique is complementary to other surface characterization methods such as Surface Plasmon Resonance (SPR), Electrochemical Scanning Tunneling Microscopy (ESTM), and Atomic Force Microscopy (AFM) in the interrogation of various interfacial phenomena. In addition to yielding topographic information, SECM is often used to probe the surface reactivity of solid-state materials, electrocatalyst materials, enzymes and other biophysical systems. SECM and variations of the technique have also found use in microfabrication, surface patterning, and microstructuring.
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