Sub-100 nm lithography using ultrashort wavelength of surface plasmons
... hole array [Fig. 3(a)] exhibits significant enhancement of the field strength and tight confinement of the field distribution compared with that of the aluminum hole array [Fig. 3(b)]. This offers the opportunity to further extend the resolution limit of the plasmonic lithography. The hole diameter, ...
... hole array [Fig. 3(a)] exhibits significant enhancement of the field strength and tight confinement of the field distribution compared with that of the aluminum hole array [Fig. 3(b)]. This offers the opportunity to further extend the resolution limit of the plasmonic lithography. The hole diameter, ...
Spatially resolved measurement of femtosecond
... change was reconstructed using the IFTA, and by applying Eq. (2), the distribution of the induced effective was determined. Here we assumed that an overall positive Δn was produced, following Eaton et al. [13] for similar writing parameters. Figure 4(b) shows a well-separated peak that corresponds t ...
... change was reconstructed using the IFTA, and by applying Eq. (2), the distribution of the induced effective was determined. Here we assumed that an overall positive Δn was produced, following Eaton et al. [13] for similar writing parameters. Figure 4(b) shows a well-separated peak that corresponds t ...
Upholding the diffraction limit in the focusing of light and sound
... as a far-field phenomenon occurring over distances larger than the wavelength; below we will show that distinguishing between far-field focusing and near-field ‘hot spots’ is essential for a correct interpretation of experimental results. 2. What is the diffraction limit? To begin with, we need to d ...
... as a far-field phenomenon occurring over distances larger than the wavelength; below we will show that distinguishing between far-field focusing and near-field ‘hot spots’ is essential for a correct interpretation of experimental results. 2. What is the diffraction limit? To begin with, we need to d ...
Photoacoustic microscopy with 2
... As an emerging high-resolution imaging modality, photoacoustic microscopy 共PAM兲 images optically absorbing microstructures by detecting transient acoustic waves generated from laser-induced thermal-elastic expansion.1 Current mainstream high-resolution optical imaging techniques mainly include confo ...
... As an emerging high-resolution imaging modality, photoacoustic microscopy 共PAM兲 images optically absorbing microstructures by detecting transient acoustic waves generated from laser-induced thermal-elastic expansion.1 Current mainstream high-resolution optical imaging techniques mainly include confo ...
Light & Matter: Absorption and Scattering
... – Physical inclusions – Fluctuations in dielectric constant from random thermal motion ...
... – Physical inclusions – Fluctuations in dielectric constant from random thermal motion ...
A study on the optical property-Determination of
... the accuracy of the standard yield value and by the confidence that can be placed on the comparison technique. Even after making various corrections for system geometry, re-absorption, polarization, etc, the accuracy of the quantum- yield values obtained from photometric measurements is rather poor. ...
... the accuracy of the standard yield value and by the confidence that can be placed on the comparison technique. Even after making various corrections for system geometry, re-absorption, polarization, etc, the accuracy of the quantum- yield values obtained from photometric measurements is rather poor. ...
Coupling to aeroGAIN-ROD fibers
... The aeroGAIN-ROD fibers can be delivered mounted as aeroGAIN-ROD modules ensuring easy and secure handling as well as easy mounting and coupling. Figure 1 shows a picture of the aeroGAIN-ROD module. This ready to use solution ensures ROD fiber mounting without any stress introduced and protects the ...
... The aeroGAIN-ROD fibers can be delivered mounted as aeroGAIN-ROD modules ensuring easy and secure handling as well as easy mounting and coupling. Figure 1 shows a picture of the aeroGAIN-ROD module. This ready to use solution ensures ROD fiber mounting without any stress introduced and protects the ...
Two-color cross-correlation in small-angle static light
... spatial cross-correlation g I (r1 ,r2 ) is calculated by multiplying the intensity at one point r1 of one speckle pattern by the intensity of the other one at point r2 ~here and in the following r1,2 describe the points in the far field plane, r50 being the position occupied by the center of the bea ...
... spatial cross-correlation g I (r1 ,r2 ) is calculated by multiplying the intensity at one point r1 of one speckle pattern by the intensity of the other one at point r2 ~here and in the following r1,2 describe the points in the far field plane, r50 being the position occupied by the center of the bea ...
Millipede Memory
... which category. For key areas in information-technology hardware, it is not yet obvious which technology and materials will be used for nanoelectronics and data storage. In any case, an emerging technology being considered as a serious candidate to replace an existing but limited technology must of ...
... which category. For key areas in information-technology hardware, it is not yet obvious which technology and materials will be used for nanoelectronics and data storage. In any case, an emerging technology being considered as a serious candidate to replace an existing but limited technology must of ...
Vanadium Dioxide - Vanderbilt`s ETD Server
... larger oscillations of the electrons. They are also involve real processes. This could then lead to a larger electronic polarization contribution to the refractive index of the material[5]. In contrast to electronic polarization mechanisms, thermally induced changes in the nonlinear index can be ra ...
... larger oscillations of the electrons. They are also involve real processes. This could then lead to a larger electronic polarization contribution to the refractive index of the material[5]. In contrast to electronic polarization mechanisms, thermally induced changes in the nonlinear index can be ra ...
Get
... intensity ratio u0 2 苷 4 leads to three characteristic pattern regimes: For h 苷 Eext兾共V 兾L兲 ⯝ 1, a solitonsupporting potential is formed. For h ⯝ 0, an antiguiding hump appears, whereas for intermediate values of h, a twin-waveguide potential forms. Analogous results can be predicted for the strongl ...
... intensity ratio u0 2 苷 4 leads to three characteristic pattern regimes: For h 苷 Eext兾共V 兾L兲 ⯝ 1, a solitonsupporting potential is formed. For h ⯝ 0, an antiguiding hump appears, whereas for intermediate values of h, a twin-waveguide potential forms. Analogous results can be predicted for the strongl ...
Scanning Electron Microscopy Primer - CharFac
... source size as the beam exits the gun. This “Source Size” for FEGs is on the order of nanometers rather than microns for the other emission sources. The ability to have enough probe current (and thus potential signal) in a probe of small diameter allows the FEGSEM to obtain the resolution it does. T ...
... source size as the beam exits the gun. This “Source Size” for FEGs is on the order of nanometers rather than microns for the other emission sources. The ability to have enough probe current (and thus potential signal) in a probe of small diameter allows the FEGSEM to obtain the resolution it does. T ...
Surface-enhanced Raman spectroscopy: nonlocal limitations
... the sharper one could make the geometry confining the plasmon oscillations. Nonlocal effects have been shown to result in large blueshifts and considerably reduced field enhancements (as compared to a local description) in conical tips [9], metallic dimers involving small gaps below a ...
... the sharper one could make the geometry confining the plasmon oscillations. Nonlocal effects have been shown to result in large blueshifts and considerably reduced field enhancements (as compared to a local description) in conical tips [9], metallic dimers involving small gaps below a ...
Simultaneous Negative Phase and Group Velocity of Light in a
... From the calculated spectra, we have retrieved (18) the effective metamaterial parameters and we found a negative real part of the refractive index, Re(n) G 0 (see below). As expected from theory (10), we do not obtain Re(n) G 0 for the orthogonal linear polarization. To perform phase-sensitive expe ...
... From the calculated spectra, we have retrieved (18) the effective metamaterial parameters and we found a negative real part of the refractive index, Re(n) G 0 (see below). As expected from theory (10), we do not obtain Re(n) G 0 for the orthogonal linear polarization. To perform phase-sensitive expe ...
Pixel level optical-transfer-function design based on the surface
... Optical transfer function (OTF) characterizes the response of an imaging system as a function of spatial frequency of the input signal. Modification of OTF (sometimes referred as spatial filtering) is of significant importance for modern imaging and vision system designs. The implementation of spati ...
... Optical transfer function (OTF) characterizes the response of an imaging system as a function of spatial frequency of the input signal. Modification of OTF (sometimes referred as spatial filtering) is of significant importance for modern imaging and vision system designs. The implementation of spati ...
Single-shot Detection of Wavepacket Evolution
... tiple measurements at the same pump-probe delay. However, this necessarily increases the amount of time required to obtain a full delay scan and increases the possibilities for long term drifts, particularly in low repetition rate systems. In some situations, maintaining the required stability durin ...
... tiple measurements at the same pump-probe delay. However, this necessarily increases the amount of time required to obtain a full delay scan and increases the possibilities for long term drifts, particularly in low repetition rate systems. In some situations, maintaining the required stability durin ...
Magnetic Light-Matter Interactions in a Photonic Crystal Nanocavity
... the cavity resonance: as the resonance wavelength shifts away from the laser wavelength, there is less coupling from the waveguide to the cavity. Less coupling, in turn, reduces the overall losses that the light experiences in the waveguide-cavity system and, thus, increases the transmittance at r0 ...
... the cavity resonance: as the resonance wavelength shifts away from the laser wavelength, there is less coupling from the waveguide to the cavity. Less coupling, in turn, reduces the overall losses that the light experiences in the waveguide-cavity system and, thus, increases the transmittance at r0 ...
Collective electronic states in inhomogeneous media at critical and subcritical... *
... Recently, the collective electron response in metallic systems has attracted strong attention due to prospective applications in negative-index materials,5–7 spectroscopy,8–10 and nonlinear optics.11 It has been shown that in random metaldielectric composites 共see Fig. 1兲, local field intensity enha ...
... Recently, the collective electron response in metallic systems has attracted strong attention due to prospective applications in negative-index materials,5–7 spectroscopy,8–10 and nonlinear optics.11 It has been shown that in random metaldielectric composites 共see Fig. 1兲, local field intensity enha ...
ATOMIC EMISSION SPECTROMETRY
... sources. The spectra derived from low-energy sources such as flames are simpler than those from electrical discharges, although the temperature of flames and furnaces (2000–4000 K) is inadequate to excite many of the elements. Nevertheless, flame emission spectrometry is widely used for the determinati ...
... sources. The spectra derived from low-energy sources such as flames are simpler than those from electrical discharges, although the temperature of flames and furnaces (2000–4000 K) is inadequate to excite many of the elements. Nevertheless, flame emission spectrometry is widely used for the determinati ...
WDM Concepts and Components
... of 2x2 MZI multiplexer • The lengths of adjacent waveguides differ by a constant L • Different wavelengths get multiplexed (multi-inputs one output) or de-multiplexed (one input multi output) • For wavelength routing applications multiinput multi-output routers are available ...
... of 2x2 MZI multiplexer • The lengths of adjacent waveguides differ by a constant L • Different wavelengths get multiplexed (multi-inputs one output) or de-multiplexed (one input multi output) • For wavelength routing applications multiinput multi-output routers are available ...
In-fiber microchannel device filled with a carbon
... since the first studies of their optical absorption by Kataura et al. were presented in 1999 [1]. The nonlinear saturable absorption and high third-order nonlinearity make CNT-based devices firm candidates to becoming an important component of the next-generation all-optical switches [2] and passive ...
... since the first studies of their optical absorption by Kataura et al. were presented in 1999 [1]. The nonlinear saturable absorption and high third-order nonlinearity make CNT-based devices firm candidates to becoming an important component of the next-generation all-optical switches [2] and passive ...
Beyond Optical Molasses: 3D Raman Sideband Cooling of Atomic Cesium to High Phase-Space Density.
... of lattice sites, substantial loss of atoms is observed during the 10 ms cooling time. This decay is due to radiative collisions induced by the lattice itself [7,16], and consequently blue-detuned or very far-detuned lattices exhibit a smaller loss [22]. The large Raman coupling in our configuration ...
... of lattice sites, substantial loss of atoms is observed during the 10 ms cooling time. This decay is due to radiative collisions induced by the lattice itself [7,16], and consequently blue-detuned or very far-detuned lattices exhibit a smaller loss [22]. The large Raman coupling in our configuration ...
Surface plasmon resonance sensors based on uniform
... on the Kretschmann configuration. Several interrogation methods can be used with this setup. The most widely used is the angular one,1–3 although reflectance, SPR wavelength 共SPR兲 tracking, phase shift, and even polarization measures have also been reported.1 However, fiber-optic sensors can provid ...
... on the Kretschmann configuration. Several interrogation methods can be used with this setup. The most widely used is the angular one,1–3 although reflectance, SPR wavelength 共SPR兲 tracking, phase shift, and even polarization measures have also been reported.1 However, fiber-optic sensors can provid ...
super-resolved fluorescence microscopy
... microscopy has instead come in the form of far-field excitation techniques of two main types, as will be described in the next section. 3. Discovery of super-resolved fluorescence microscopy To date there are two far-field principles that lead to fluorescence-based microscopy with a resolution far b ...
... microscopy has instead come in the form of far-field excitation techniques of two main types, as will be described in the next section. 3. Discovery of super-resolved fluorescence microscopy To date there are two far-field principles that lead to fluorescence-based microscopy with a resolution far b ...
S U P E R -R E S O LV... Scientific Background on the Nobel Prize in Chemistry 2014
... microscopy has instead come in the form of far-field excitation techniques of two main types, as will be described in the next section. 3. Discovery of super-resolved fluorescence microscopy To date there are two far-field principles that lead to fluorescence-based microscopy with a resolution far b ...
... microscopy has instead come in the form of far-field excitation techniques of two main types, as will be described in the next section. 3. Discovery of super-resolved fluorescence microscopy To date there are two far-field principles that lead to fluorescence-based microscopy with a resolution far b ...