Polymer Based Photonic Crystals
... periodic lamellar structure. The simplest BCPs are linear A/B diblock copolymers comprised of two distinct, non-crystalline polymer chains.[14±16] A/B diblock copolymers form microphaseseparated structures in which domains predominantly consisting of one block are separated from domains consisting p ...
... periodic lamellar structure. The simplest BCPs are linear A/B diblock copolymers comprised of two distinct, non-crystalline polymer chains.[14±16] A/B diblock copolymers form microphaseseparated structures in which domains predominantly consisting of one block are separated from domains consisting p ...
blood group detection using fiber optics
... better choice is fiber optics. Fiber optics is a very important constituent of modern technology. The medical electronics finds numereous applications in the fiber optics field. In this project, we employ an optical fiber sensor that modulates the measured and yields variations in the electrical out ...
... better choice is fiber optics. Fiber optics is a very important constituent of modern technology. The medical electronics finds numereous applications in the fiber optics field. In this project, we employ an optical fiber sensor that modulates the measured and yields variations in the electrical out ...
Lecture 1 Light forces - Laboratoire de Physique des Lasers
... interdisciplinary physics. The importance of laser cooling techniques in this growing field was recognised shortly after the achievement of BEC in 1995, by the 1997 Nobel prize attributed to Steven Chu, Claude Cohen-Tannoudji and William D. Phillips [8–10]. Light forces are at the basis of atomic po ...
... interdisciplinary physics. The importance of laser cooling techniques in this growing field was recognised shortly after the achievement of BEC in 1995, by the 1997 Nobel prize attributed to Steven Chu, Claude Cohen-Tannoudji and William D. Phillips [8–10]. Light forces are at the basis of atomic po ...
Non-reciprocal ultrafast laser writing
... We will refer to this phenomenon as the photothermal effect in non-centrosymmetric media, or the bulk photothermal effect, to highlight that the light-induced heat current can be excited even under homogeneous illumination and in a homogeneous noncentrosymmetric medium45. However, the developed phen ...
... We will refer to this phenomenon as the photothermal effect in non-centrosymmetric media, or the bulk photothermal effect, to highlight that the light-induced heat current can be excited even under homogeneous illumination and in a homogeneous noncentrosymmetric medium45. However, the developed phen ...
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... on the fact that the f luorophore will preferentially accumulate in tumors.11 In this Letter we demonstrate a method whereby one can simultaneously derive a spatial map of the concentration and lifetime of heterogeneous f luorophore distributions, using variations in the amplitude and phase of f luo ...
... on the fact that the f luorophore will preferentially accumulate in tumors.11 In this Letter we demonstrate a method whereby one can simultaneously derive a spatial map of the concentration and lifetime of heterogeneous f luorophore distributions, using variations in the amplitude and phase of f luo ...
Nonlinear Phase Noise in Fiber Optical Communication
... The evolution of advanced digital modulation schemes such as Quadrature Phase Shift Keying (QPSK) and Quadrature Amplitude Modulation (QAM) in wireless and land line communications have attracted significant importance as new alternatives to boost the capacity of fiber optical communication systems. ...
... The evolution of advanced digital modulation schemes such as Quadrature Phase Shift Keying (QPSK) and Quadrature Amplitude Modulation (QAM) in wireless and land line communications have attracted significant importance as new alternatives to boost the capacity of fiber optical communication systems. ...
Green's function formulation for third-harmonic generation microscopy
... Third-harmonic generation from an interface perpendicular to the optical axis was illustrated by Barad et al.7 With the Green’s function model we are able to investigate THG from interfaces of different orientations. Figure 4 shows that THG signals can arise from an interface perpendicular or parall ...
... Third-harmonic generation from an interface perpendicular to the optical axis was illustrated by Barad et al.7 With the Green’s function model we are able to investigate THG from interfaces of different orientations. Figure 4 shows that THG signals can arise from an interface perpendicular or parall ...
Superluminal group velocity in an anisotropic metamaterial
... superluminality is caused by the frequency dispersion of the medium. In the case discussed here, the superluminal group velocity in the medium is induced by the hyperbolic dispersion relation in the AMM. As far as we know, this kind of superluminal group velocity has not been recognized before. It s ...
... superluminality is caused by the frequency dispersion of the medium. In the case discussed here, the superluminal group velocity in the medium is induced by the hyperbolic dispersion relation in the AMM. As far as we know, this kind of superluminal group velocity has not been recognized before. It s ...
Orbital Dynamics of the Laser Interferometer Space Antenna
... The two lenses are positioned 350mm apart and an iris (4) is placed at the focal point between the two lasers, 100mm from the expander and 250mm from the collimator. The purpose of the iris is to remove any higher order diffractions and insure a clean Gaussian beam. The light is then reflected off a ...
... The two lenses are positioned 350mm apart and an iris (4) is placed at the focal point between the two lasers, 100mm from the expander and 250mm from the collimator. The purpose of the iris is to remove any higher order diffractions and insure a clean Gaussian beam. The light is then reflected off a ...
Accurate predictive model for twisted nematic liquid crystal devices. Application
... electrically. The spatial modulation may be one-, two- or even three-dimensional. The most extended application is as a two-dimensional display for visualization purposes. The SLMs play also a critical role in optical data processing when real time operation is needed. In communication technologies ...
... electrically. The spatial modulation may be one-, two- or even three-dimensional. The most extended application is as a two-dimensional display for visualization purposes. The SLMs play also a critical role in optical data processing when real time operation is needed. In communication technologies ...
(full text)
... Detectors,” IEEE Trans. Appl. Supercond. 17, 3789–3794 (2007). 16. While our fabrication process (see Refs. 9 and 10) leaves behind 10-40 nm of residual resist on top of the nanowires, we found that including the resist in our geometry did not affect our results. 17. Energy dispersive X-ray (EDX) an ...
... Detectors,” IEEE Trans. Appl. Supercond. 17, 3789–3794 (2007). 16. While our fabrication process (see Refs. 9 and 10) leaves behind 10-40 nm of residual resist on top of the nanowires, we found that including the resist in our geometry did not affect our results. 17. Energy dispersive X-ray (EDX) an ...
Electromagnetic Waves and Photons are describing the same thing
... 1. What one sees if bash atoms with anything, particularly electrons, as in a discharge lamp. 2. What light coming from atoms (“spectra”) imply about behavior of electrons in atom. ...
... 1. What one sees if bash atoms with anything, particularly electrons, as in a discharge lamp. 2. What light coming from atoms (“spectra”) imply about behavior of electrons in atom. ...
The radiated fields of the fundamental mode of photonic crystal fibers
... We employ the described approach in a fully vectorial study of the evolution of the fundamental mode of a PCF from near-field to far-field. As an example we consider the fundamental mode in a pure-silica PCF with a normalized air-hole diameter d/Λ = 0.45 and in our simulations we utilize the scale-i ...
... We employ the described approach in a fully vectorial study of the evolution of the fundamental mode of a PCF from near-field to far-field. As an example we consider the fundamental mode in a pure-silica PCF with a normalized air-hole diameter d/Λ = 0.45 and in our simulations we utilize the scale-i ...