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... optical vortex. (a) the order of the vortex is equal to ` = 1, (b) - the order of the vortex is equal to ` = 2. noted properties of OAM is how the OAM-carrying beam interact with the absorbing matter. Is is well known, that if a circularly polarized beam is absorbed by a particle a transfer of angul ...
... optical vortex. (a) the order of the vortex is equal to ` = 1, (b) - the order of the vortex is equal to ` = 2. noted properties of OAM is how the OAM-carrying beam interact with the absorbing matter. Is is well known, that if a circularly polarized beam is absorbed by a particle a transfer of angul ...
applications of optical cavities in modern atomic, molecular
... vacuum structure and/or the large field associated with a single photon confined to a small volume. Experimental activities that have benefited from the use of optical cavities appear in such diverse areas as ultra-sensitive detection for classical laser spectroscopy, nonlinear optical devices, opti ...
... vacuum structure and/or the large field associated with a single photon confined to a small volume. Experimental activities that have benefited from the use of optical cavities appear in such diverse areas as ultra-sensitive detection for classical laser spectroscopy, nonlinear optical devices, opti ...
Frontiers in Optics 2010/Laser Science XXVI
... The annual meeting serves as the venue for the Optical Society to announce its board election results. Donna T. Strickland of the University of Waterloo was elected as the 2011 vice president. Strickland will become president-elect the following year and serve as president of OSA in 2013. Naomi J. H ...
... The annual meeting serves as the venue for the Optical Society to announce its board election results. Donna T. Strickland of the University of Waterloo was elected as the 2011 vice president. Strickland will become president-elect the following year and serve as president of OSA in 2013. Naomi J. H ...
The effect of skin phototype on laser propagation through skin
... Figure 2.1: Relation between total exposure and exposure time for different modes of laser-tissue interaction (with permission from (Peng Q, 2008)). ..................................................................................... 6 Figure 2.2: Relation between fluence rate and exposure time for ...
... Figure 2.1: Relation between total exposure and exposure time for different modes of laser-tissue interaction (with permission from (Peng Q, 2008)). ..................................................................................... 6 Figure 2.2: Relation between fluence rate and exposure time for ...
An Introduction to MEMS (Micro
... This report deals with the emerging field of micro-electromechanical systems, or MEMS. MEMS is a process technology used to create tiny integrated devices or systems that combine mechanical and electrical components. They are fabricated using integrated circuit (IC) batch processing techniques and c ...
... This report deals with the emerging field of micro-electromechanical systems, or MEMS. MEMS is a process technology used to create tiny integrated devices or systems that combine mechanical and electrical components. They are fabricated using integrated circuit (IC) batch processing techniques and c ...
SECOND HARMONIC GENERATION OF CHIRAL-MODIFIED SILVER NANOPARTICLES
... activities. Cysteine is such a chiral amino acid found as a building block of proteins throughout human bodies. Second harmonic generation (SHG) has been considered to investigate chiral molecules. SHG from metallic nanoparticles is promising for nanoplasmonics and photonic nanodevice applications. ...
... activities. Cysteine is such a chiral amino acid found as a building block of proteins throughout human bodies. Second harmonic generation (SHG) has been considered to investigate chiral molecules. SHG from metallic nanoparticles is promising for nanoplasmonics and photonic nanodevice applications. ...
Report in in doc - Foundation for Research and Technology
... large circular dichroism and strong optical activity in GHz, THz and IR regimes, as well as negative index of refraction in GHz and THz [see Deliverable 3]. 3. We made a thorough analysis of the Casimir force between chiral metamaterials, and we demonstrated for the first time, theoretically and num ...
... large circular dichroism and strong optical activity in GHz, THz and IR regimes, as well as negative index of refraction in GHz and THz [see Deliverable 3]. 3. We made a thorough analysis of the Casimir force between chiral metamaterials, and we demonstrated for the first time, theoretically and num ...
PDF
... 3. Physical sources and the sign of CIFS in general resonators We next consider the rigorous evaluation and the physical origin of contributions to CIFS leading to shifts of either sign. Then, we demonstrate CIFS in traveling and standing-wave resonators and note characteristic field patterns associ ...
... 3. Physical sources and the sign of CIFS in general resonators We next consider the rigorous evaluation and the physical origin of contributions to CIFS leading to shifts of either sign. Then, we demonstrate CIFS in traveling and standing-wave resonators and note characteristic field patterns associ ...
Pulse splitting by modulating the thickness of buffer layer of two
... thick grating layers interleaved with optically homogeneous buffer layers, are characterized by specific properties determined by an interference of the reconstructed waves from gratings and provide possibility to control the shape of selective response. Thin SHOEs, working in Raman-Nath diffraction ...
... thick grating layers interleaved with optically homogeneous buffer layers, are characterized by specific properties determined by an interference of the reconstructed waves from gratings and provide possibility to control the shape of selective response. Thin SHOEs, working in Raman-Nath diffraction ...
Final report
... Ecole Polytechnique Fédérale de Lausanne (EPFL) Group for Fibre Optics (GFO) CH-1015 Lausanne, Switzerland Figure 24: 2-D intensity profiles of the scattered light along the propagation direction of the light along the dragline silk. ................................................................. ...
... Ecole Polytechnique Fédérale de Lausanne (EPFL) Group for Fibre Optics (GFO) CH-1015 Lausanne, Switzerland Figure 24: 2-D intensity profiles of the scattered light along the propagation direction of the light along the dragline silk. ................................................................. ...
MODELLING OF PHOTONIC COMPONENTS BASED ON ÷(3) NONLINEAR PHOTONIC CRYSTALS Ivan Maksymov
... dispersion characteristics in the both linear and nonlinear regimes. In it, the Bloch periodic boundary conditions are imposed to simulate the periodic nature of photonic crystals and the super-cell technique is applied to simulate various defects introduced, for instance, by removing a row of scatt ...
... dispersion characteristics in the both linear and nonlinear regimes. In it, the Bloch periodic boundary conditions are imposed to simulate the periodic nature of photonic crystals and the super-cell technique is applied to simulate various defects introduced, for instance, by removing a row of scatt ...
The effect of gamma radiation on fibre Bragg
... Hydrogen loading, along with the standard SMF-28 fibre with Hydrogen, were used and results noted and compared to previous work. The FBG’s in each fibre were written by Ultraviolet (UV) low energy irradiation. The results indicated that radiation sensitivity is dependent on Ge doping and Hydrogen lo ...
... Hydrogen loading, along with the standard SMF-28 fibre with Hydrogen, were used and results noted and compared to previous work. The FBG’s in each fibre were written by Ultraviolet (UV) low energy irradiation. The results indicated that radiation sensitivity is dependent on Ge doping and Hydrogen lo ...
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... 2.C. we focus on analytic solutions for semi-infinite homogeneous systems. Numerical calculations where finite difference methods are used are performed in this case to verify the analytic solutions. The analytic solutions reveal the explicit dependence of fluorescent diffusive waves on the fluoroph ...
... 2.C. we focus on analytic solutions for semi-infinite homogeneous systems. Numerical calculations where finite difference methods are used are performed in this case to verify the analytic solutions. The analytic solutions reveal the explicit dependence of fluorescent diffusive waves on the fluoroph ...
Laser Medicine and Medical Imaging – J. G. Fujimoto
... dependence of the longitudinal resolution. This is particularly the case for the spectral region between 1.2 µm and 1.5 µm. This spectral region is of high interest for OCT because of the high penetration depth in biological tissue and the possibility of performing spectral resolved imaging of water ...
... dependence of the longitudinal resolution. This is particularly the case for the spectral region between 1.2 µm and 1.5 µm. This spectral region is of high interest for OCT because of the high penetration depth in biological tissue and the possibility of performing spectral resolved imaging of water ...
Raman microscopy in an electron microscope: combining chemical
... By applying a quite powerful laser system and a large number of molecules in the excitation volume high intensities of Raman scattering can be obtained. In the following chapters we will speak about micro-Raman set up’s which have usually a compact sized laser source. Therefore, large laser excitati ...
... By applying a quite powerful laser system and a large number of molecules in the excitation volume high intensities of Raman scattering can be obtained. In the following chapters we will speak about micro-Raman set up’s which have usually a compact sized laser source. Therefore, large laser excitati ...
Introduction to Diffraction Grating
... The overall efficiency of the gratings depends on several application-specific parameters such as wavelength, polarization, and angle of incidence of the incoming light. The efficiency is also affected by the grating design parameters such as blaze angle for the ruled gratings and profile depth for ...
... The overall efficiency of the gratings depends on several application-specific parameters such as wavelength, polarization, and angle of incidence of the incoming light. The efficiency is also affected by the grating design parameters such as blaze angle for the ruled gratings and profile depth for ...
Silicon photonics
Silicon photonics is the study and application of photonic systems which use silicon as an optical medium. The silicon is usually patterned with sub-micrometre precision, into microphotonic components. These operate in the infrared, most commonly at the 1.55 micrometre wavelength used by most fiber optic telecommunication systems. The silicon typically lies on top of a layer of silica in what (by analogy with a similar construction in microelectronics) is known as silicon on insulator (SOI).Silicon photonic devices can be made using existing semiconductor fabrication techniques, and because silicon is already used as the substrate for most integrated circuits, it is possible to create hybrid devices in which the optical and electronic components are integrated onto a single microchip. Consequently, silicon photonics is being actively researched by many electronics manufacturers including IBM and Intel, as well as by academic research groups such as that of Prof. Michal Lipson, who see it is a means for keeping on track with Moore's Law, by using optical interconnects to provide faster data transfer both between and within microchips.The propagation of light through silicon devices is governed by a range of nonlinear optical phenomena including the Kerr effect, the Raman effect, two photon absorption and interactions between photons and free charge carriers. The presence of nonlinearity is of fundamental importance, as it enables light to interact with light, thus permitting applications such as wavelength conversion and all-optical signal routing, in addition to the passive transmission of light.Silicon waveguides are also of great academic interest, due to their ability to support exotic nonlinear optical phenomena such as soliton propagation.