An introduction to medical imaging with coherent terahertz
... materials more sensitively than previous spectroscopic methods in this range (Grischkowsky et al 1990, Kindt and Schmuttenmaer 1996, van Exter and Grischkowsky 2001). The technique can be extended to terahertz pulsed imaging (TPI), which can be used in either transmission or reflection geometries. T ...
... materials more sensitively than previous spectroscopic methods in this range (Grischkowsky et al 1990, Kindt and Schmuttenmaer 1996, van Exter and Grischkowsky 2001). The technique can be extended to terahertz pulsed imaging (TPI), which can be used in either transmission or reflection geometries. T ...
The influence of growth temperature on CVD grown graphene on SiC
... instance a wafer. Different methods can be used to disperse graphene in a non liquid-phase. By vacuum filtration or drop-casting where a drop of solution is deposed onto a substrate and graphene flakes remain when the solvent evaporates. But the easiest way is to prepare graphene directly onto the ...
... instance a wafer. Different methods can be used to disperse graphene in a non liquid-phase. By vacuum filtration or drop-casting where a drop of solution is deposed onto a substrate and graphene flakes remain when the solvent evaporates. But the easiest way is to prepare graphene directly onto the ...
Fulltext: english,
... From both equations, correlation coefficient and slope were 0.995 and 0.4846 respectively. These values indicate that the electrode reaction was diffusioncontrolled.9–20 Therefore, a diffusion component must be taken into account. Other studies were conducted in line with this phenomenon. Next, in o ...
... From both equations, correlation coefficient and slope were 0.995 and 0.4846 respectively. These values indicate that the electrode reaction was diffusioncontrolled.9–20 Therefore, a diffusion component must be taken into account. Other studies were conducted in line with this phenomenon. Next, in o ...
Stereoisomers
... 2. reactivity with other chiral molecules (chemical) (e.g. many biological molecules are chiral) ...
... 2. reactivity with other chiral molecules (chemical) (e.g. many biological molecules are chiral) ...
Graphene Plasmonic Metasurfaces to Steer Infrared Light www.nature.com/scientificreports Zubin Li
... light can vary from almost –π to π by selecting the width of the graphene ribbons as well as the thickness of the dielectric spacing layer, while the amplitude of reflectivity remains high and only shows moderate variations. These two properties allow us to design a variety of planar graphene phot ...
... light can vary from almost –π to π by selecting the width of the graphene ribbons as well as the thickness of the dielectric spacing layer, while the amplitude of reflectivity remains high and only shows moderate variations. These two properties allow us to design a variety of planar graphene phot ...
Adaptive-Optics Compensation through a High-Gain Raman Amplifier of
... the ordinary Raman effect a photon at the pumplaser frequency. vp ' scatters from an initially unexcited molecule as indicated by the solid arrow labelled hvp . The molecule undergoes a transition to a more highly excited state via an intermediate transition to a virtual state. Energy is left behind ...
... the ordinary Raman effect a photon at the pumplaser frequency. vp ' scatters from an initially unexcited molecule as indicated by the solid arrow labelled hvp . The molecule undergoes a transition to a more highly excited state via an intermediate transition to a virtual state. Energy is left behind ...
Light manipulation with encoded plasmonic nanostructures Chenglong Zhao , Jiasen Zhang
... and SPPs are launched symmetrically from both sides of the slit with normal illumination. A Bragg reflection grating fabricated next to the slit as illustrated in the inset of Figure 4a can be used to achieve unidirectional SPP excitations. Figure 4a shows the SPP filed recorded with photon scanning ...
... and SPPs are launched symmetrically from both sides of the slit with normal illumination. A Bragg reflection grating fabricated next to the slit as illustrated in the inset of Figure 4a can be used to achieve unidirectional SPP excitations. Figure 4a shows the SPP filed recorded with photon scanning ...
Holographic Optical Beam-Steering (HOBS)
... The technology of optical beam-steering has an expansive list of applications including laser radar, infrared scanning, and data communication. Lasers can be used as a medium to communicate data through free space, a science called Free-Space Laser Communication (lasercom). Lasercom is superior to o ...
... The technology of optical beam-steering has an expansive list of applications including laser radar, infrared scanning, and data communication. Lasers can be used as a medium to communicate data through free space, a science called Free-Space Laser Communication (lasercom). Lasercom is superior to o ...
Micro-Displacement Sensor Based on a Hollow
... high light/sample overlapping [1,2]. These advantages lead to fascinating applications based on HC-PCFs, such as gas sensing [3], rhodamine sensing [4], DNA sensing [5], particle guidance and levitation [6], among others. However, hollow-core PCFs present the disadvantage of supporting multiple mode ...
... high light/sample overlapping [1,2]. These advantages lead to fascinating applications based on HC-PCFs, such as gas sensing [3], rhodamine sensing [4], DNA sensing [5], particle guidance and levitation [6], among others. However, hollow-core PCFs present the disadvantage of supporting multiple mode ...
New Visible-Light Active Semiconductors
... ZnO, Ta2O5, and Nb2O5 (and derived compounds such as niobates and tantalates), are transparent to visible light being activated only with UV (A or B) light. In the case of other colored SC, such as WO3, Bi2WO6, and BiVO4, it is desirable to increase the range of light useful for its activation as ph ...
... ZnO, Ta2O5, and Nb2O5 (and derived compounds such as niobates and tantalates), are transparent to visible light being activated only with UV (A or B) light. In the case of other colored SC, such as WO3, Bi2WO6, and BiVO4, it is desirable to increase the range of light useful for its activation as ph ...
equilibrium - eVirtualGuru
... The dynamic nature of chemical equilibrium can be demonstrated in the synthesis of ammonia by Haber’s process. In a series of experiments, Haber started with known amounts of dinitrogen and dihydrogen maintained at high temperature and pressure and at regular intervals determined the amount of ammon ...
... The dynamic nature of chemical equilibrium can be demonstrated in the synthesis of ammonia by Haber’s process. In a series of experiments, Haber started with known amounts of dinitrogen and dihydrogen maintained at high temperature and pressure and at regular intervals determined the amount of ammon ...
Ultraviolet–visible spectroscopy
Ultraviolet–visible spectroscopy or ultraviolet-visible spectrophotometry (UV-Vis or UV/Vis) refers to absorption spectroscopy or reflectance spectroscopy in the ultraviolet-visible spectral region. This means it uses light in the visible and adjacent (near-UV and near-infrared [NIR]) ranges. The absorption or reflectance in the visible range directly affects the perceived color of the chemicals involved. In this region of the electromagnetic spectrum, molecules undergo electronic transitions. This technique is complementary to fluorescence spectroscopy, in that fluorescence deals with transitions from the excited state to the ground state, while absorption measures transitions from the ground state to the excited state.