Application of ion scattering techniques to characterize polymer
... target. By detecting the energy of the recoiling nuclei the depth-profile perpendicular to the surface of the target is measured. In ``cleaning up the tower of babel of acronyms (CUTBA) in IBA'', the consensus of the ion beam community was to call this technique elastic recoil detection (ERD) analys ...
... target. By detecting the energy of the recoiling nuclei the depth-profile perpendicular to the surface of the target is measured. In ``cleaning up the tower of babel of acronyms (CUTBA) in IBA'', the consensus of the ion beam community was to call this technique elastic recoil detection (ERD) analys ...
(full text)
... period but did depend on the filling-factor. It was further shown that the smaller absorptance in case of E-field oscillation perpendicular to the wires might be enhanced by increasing the grating period and the wire width simultaneously, so as to keep the filling factor constant [3]. Another absorp ...
... period but did depend on the filling-factor. It was further shown that the smaller absorptance in case of E-field oscillation perpendicular to the wires might be enhanced by increasing the grating period and the wire width simultaneously, so as to keep the filling factor constant [3]. Another absorp ...
Light at work: The use of optical forces for particle manipulation
... regime (from 200 nm to 7 mm) or living cells. However, spatial manipulation of nanoobjects (including metallic ones) with sizes in the range of tens of nanometers has also been reported (see Section 4.7). In the case of optical trapping of absorbing metallic microobjects, there is an upper limit on ...
... regime (from 200 nm to 7 mm) or living cells. However, spatial manipulation of nanoobjects (including metallic ones) with sizes in the range of tens of nanometers has also been reported (see Section 4.7). In the case of optical trapping of absorbing metallic microobjects, there is an upper limit on ...
Deconvolution Microscopy
... period of time at low light excitation levels, minimizing the disturbance of cell activity. The greatest limitation of optical microscopy is spatial resolution, which is in the range of the wavelength of light used. The ultimate goal of cell microscopy is to capture the activity of cell components. ...
... period of time at low light excitation levels, minimizing the disturbance of cell activity. The greatest limitation of optical microscopy is spatial resolution, which is in the range of the wavelength of light used. The ultimate goal of cell microscopy is to capture the activity of cell components. ...
Stramski, Dariusz, Marcel Babin, and Slawomir B. Wozniak
... study (Babin and Stramski 2004), which focused on examining the absorption spectra but did not include the PSD measurements and determinations of scattering spectra. We also note that in contrast to all other samples examined in this study, SAN and KUW are characterized by relatively high organic pa ...
... study (Babin and Stramski 2004), which focused on examining the absorption spectra but did not include the PSD measurements and determinations of scattering spectra. We also note that in contrast to all other samples examined in this study, SAN and KUW are characterized by relatively high organic pa ...
Binocular Performance Index
... sufficient magnification is employed. I have recorded views of many double stars under excellent seeing conditions with various 35mm, 50mm, 70mm and 80mm binoculars ranging from 7x power up to 20x power and results I get indicate maximum resolution by the best binoculars is in the 7” to 10” range. M ...
... sufficient magnification is employed. I have recorded views of many double stars under excellent seeing conditions with various 35mm, 50mm, 70mm and 80mm binoculars ranging from 7x power up to 20x power and results I get indicate maximum resolution by the best binoculars is in the 7” to 10” range. M ...
Spectroscopy, Manipulation and Trapping of Neutral Atoms
... of ONFs as sensing tools [15,16] for very small numbers of particles is also becoming evident. We begin by presenting the basic concept of the ONF and its fundamental properties. Section 2 introduces the ONF as a probe for either a cloud of magneto-optically trapped atoms or for atoms in a vapor. In ...
... of ONFs as sensing tools [15,16] for very small numbers of particles is also becoming evident. We begin by presenting the basic concept of the ONF and its fundamental properties. Section 2 introduces the ONF as a probe for either a cloud of magneto-optically trapped atoms or for atoms in a vapor. In ...
Spectral Characteristics of Semiconductor Lasers with Optical
... Keeping terms to second order in 60 and AA yields P~ ...
... Keeping terms to second order in 60 and AA yields P~ ...
Multidimensional Vibrational Spectroscopy of Hydrogen Bonds in
... donor forms a covalent bond with the hydrogen atom whereas the interaction between the hydrogen atom and the acceptor is often considerably weaker∗ [1]. Despite its simplicity, the relevance of hydrogen bonds in nature can hardly be overestimated. It is a unique interaction that is strong enough to ...
... donor forms a covalent bond with the hydrogen atom whereas the interaction between the hydrogen atom and the acceptor is often considerably weaker∗ [1]. Despite its simplicity, the relevance of hydrogen bonds in nature can hardly be overestimated. It is a unique interaction that is strong enough to ...
Modulating the electronic structures of graphene by controllable
... high H coverage, two new electron states located at BE of 1.8 and 3.4 eV appear after complete depression of 2p state, associated with obvious changes in electron states located at high BE. The origin of these two electron states should be the sp2 C clusters encircled by sp3 C matrix at high H cov ...
... high H coverage, two new electron states located at BE of 1.8 and 3.4 eV appear after complete depression of 2p state, associated with obvious changes in electron states located at high BE. The origin of these two electron states should be the sp2 C clusters encircled by sp3 C matrix at high H cov ...
High optical absorption in graphene
... If we were to freely tune the optical properties of a film with the thickness of a single layer of graphene, the maximum attainable light absorption would be dictated by the contrast of the surrounding media [5]. This general limit for light absorption in ultrathin films may under favorable conditio ...
... If we were to freely tune the optical properties of a film with the thickness of a single layer of graphene, the maximum attainable light absorption would be dictated by the contrast of the surrounding media [5]. This general limit for light absorption in ultrathin films may under favorable conditio ...
Optical Cavity and laser Modes
... • The cavity mirrors are not exactly aligned perpendicular to the laser axis, and parallel to each other (symmetric), the radiation inside the cavity will not be confined during its path between the mirrors. • Absorption, scattering and losses in optical elements Since optical elements are not ideal ...
... • The cavity mirrors are not exactly aligned perpendicular to the laser axis, and parallel to each other (symmetric), the radiation inside the cavity will not be confined during its path between the mirrors. • Absorption, scattering and losses in optical elements Since optical elements are not ideal ...
Guided photoluminescence study of Nd
... From the knowledge of the refractive index at 1.06 µm, the propagated modes were calculated using the dispersion equation for a planar waveguide as a function of the guiding layer thickness (Fig. 2 (a) and (b)) for TE and TM polarizations. The accuracy of the guiding layer thickness is not very impo ...
... From the knowledge of the refractive index at 1.06 µm, the propagated modes were calculated using the dispersion equation for a planar waveguide as a function of the guiding layer thickness (Fig. 2 (a) and (b)) for TE and TM polarizations. The accuracy of the guiding layer thickness is not very impo ...
design and analysis of variable gain amplifier with
... channel increment or decrement, it is depend on the channel will tend to perturb signals at the surviving channels that share all or part of the route. An Amplifier configuration is by using the WDM technology in Cascade method to Implementing a WDM system including the EDFA does not have to amplify ...
... channel increment or decrement, it is depend on the channel will tend to perturb signals at the surviving channels that share all or part of the route. An Amplifier configuration is by using the WDM technology in Cascade method to Implementing a WDM system including the EDFA does not have to amplify ...
Reference Guide to Fiber Optic Testing Glossary Reference Guide to Fib
... A type of single-mode fiber designed to have zero dispersion near 1550 nm. This fiber type is not suitable for DWDM applications, due to its high nonlinearity at the zero-dispersion wavelength. These fibers have been normalized by the ITU as G.653. Dispersion Supported Transmission (DST) In optical ...
... A type of single-mode fiber designed to have zero dispersion near 1550 nm. This fiber type is not suitable for DWDM applications, due to its high nonlinearity at the zero-dispersion wavelength. These fibers have been normalized by the ITU as G.653. Dispersion Supported Transmission (DST) In optical ...
- sfo
... output facet relative to the grating. The resolution of the complex oscillation condition (Eq. 4) gives the DFB modes (optical frequency ω), their corresponding threshold gain (threshold carrier density) and the modal selectivity (threshold gain difference between main and satellite modes). The thres ...
... output facet relative to the grating. The resolution of the complex oscillation condition (Eq. 4) gives the DFB modes (optical frequency ω), their corresponding threshold gain (threshold carrier density) and the modal selectivity (threshold gain difference between main and satellite modes). The thres ...
Enhanced 3D spatial resolution in quantitative phase
... Optical microscopy has been widely used for hundred of years for bio-medical imaging. However, most of nonmodified biological samples are transparent at optical wavelengths, leading to low-contrast images when using a conventional intensity-sensitive sensor on a microscope. However, even if the samp ...
... Optical microscopy has been widely used for hundred of years for bio-medical imaging. However, most of nonmodified biological samples are transparent at optical wavelengths, leading to low-contrast images when using a conventional intensity-sensitive sensor on a microscope. However, even if the samp ...
[HMIM][Br9]: a Room-temperature Ionic Liquid Based on a
... In view of its slightly lower conductivity, when compared with the quaternary ammonia salts, the main advantage of the present system is based on its liquid nature at room temperature. This will potentially permit its application as a liquid redox-active electrode. NMR measurements According to Span ...
... In view of its slightly lower conductivity, when compared with the quaternary ammonia salts, the main advantage of the present system is based on its liquid nature at room temperature. This will potentially permit its application as a liquid redox-active electrode. NMR measurements According to Span ...
Generation of diffractive optical elements onto a photopolymer using a
... Photopolymer based recording materials have been widely studied for holographic applications[6] [7][8][9] Their good properties as high diffraction efficiencies, low noise, self-developing, easy preparation, high thickness, low cost, etc., make these holographic recording materials optimum candidate ...
... Photopolymer based recording materials have been widely studied for holographic applications[6] [7][8][9] Their good properties as high diffraction efficiencies, low noise, self-developing, easy preparation, high thickness, low cost, etc., make these holographic recording materials optimum candidate ...
Get PDF - OSA Publishing
... of diagnostic and therapeutic applications of light in medicine. For example, scattering of light within tissue simultaneously makes possible and limits high-resolution imaging techniques such as reflectance-mode confocal microscopy [1] and optical coherence tomography (OCT) [2]. To better understan ...
... of diagnostic and therapeutic applications of light in medicine. For example, scattering of light within tissue simultaneously makes possible and limits high-resolution imaging techniques such as reflectance-mode confocal microscopy [1] and optical coherence tomography (OCT) [2]. To better understan ...
High-Q Microresonators as Lasing Elements for Silicon Photonics
... This thesis focuses on the many challenges in generating silicon-based laser sources. As most CMOS compatible gain materials possess at most 1 dB/cm of gain, much of our work has been devoted to minimizing the optical losses in silicon optical microresonators. Silicon microdisk resonators fabricated ...
... This thesis focuses on the many challenges in generating silicon-based laser sources. As most CMOS compatible gain materials possess at most 1 dB/cm of gain, much of our work has been devoted to minimizing the optical losses in silicon optical microresonators. Silicon microdisk resonators fabricated ...
Section 4 Diffraction_handbook of optics
... Let P0 be a point source of light that produces monochromatic spherical waves. A typical spherical wave, A / r0 exp [2i (v t 2 kr0)] , of radius r0 at time t is shown in Fig. 2. The coefficient A stands for the amplitude of the wave at unit distance from the source P0 . At a later time this wave wil ...
... Let P0 be a point source of light that produces monochromatic spherical waves. A typical spherical wave, A / r0 exp [2i (v t 2 kr0)] , of radius r0 at time t is shown in Fig. 2. The coefficient A stands for the amplitude of the wave at unit distance from the source P0 . At a later time this wave wil ...
The Microscope in a Computer: Image Synthesis from Three
... microscopes (Munro & Török, 2005; Török, Munro, & Kriezis, 2008). An extension of this technique to time-domain focused pulses was described in (Capoglu, Taflove, & Backman, 2008), which can be used to simulate either ultrafast optical pulses (Davidson & Ziolkowski, 1994; Gu & Sheppard, 1995; Ibragi ...
... microscopes (Munro & Török, 2005; Török, Munro, & Kriezis, 2008). An extension of this technique to time-domain focused pulses was described in (Capoglu, Taflove, & Backman, 2008), which can be used to simulate either ultrafast optical pulses (Davidson & Ziolkowski, 1994; Gu & Sheppard, 1995; Ibragi ...
Laser Linewidth Characterization
... To obtain efficient interference, the following conditions are required between the interfering beams – polarization alignment, and spatial overlap All of the fibre in the circuits discussed in this chapter are singlemode Singlemode fibre insures good spatial overlap of the optical waves that are co ...
... To obtain efficient interference, the following conditions are required between the interfering beams – polarization alignment, and spatial overlap All of the fibre in the circuits discussed in this chapter are singlemode Singlemode fibre insures good spatial overlap of the optical waves that are co ...
Coherent Laser Beam Addition: Application of Binary-Optics Technology An
... from a conventional incandescent light bulb. The laser's radiance, however, is orders of magnitude greater due to the very small beam spread. The high radiance is a consequence of the spatial coherence across the laser beam (phases of two spatially distinct points on the wavefront are locked togethe ...
... from a conventional incandescent light bulb. The laser's radiance, however, is orders of magnitude greater due to the very small beam spread. The high radiance is a consequence of the spatial coherence across the laser beam (phases of two spatially distinct points on the wavefront are locked togethe ...