Total Internal Reflection Spectroscopy for Studying Soft Matter
... detected. Second-order nonlinear optical techniques, such as sum-frequency generation and second harmonic generation, vanish in centrosymmetric media but are permitted at interfaces, which break the inversion symmetry of (most) bulk phases. The disadvantage of the selection rule-based approach is th ...
... detected. Second-order nonlinear optical techniques, such as sum-frequency generation and second harmonic generation, vanish in centrosymmetric media but are permitted at interfaces, which break the inversion symmetry of (most) bulk phases. The disadvantage of the selection rule-based approach is th ...
Ce e cu galben reprezinta corecturi de limba/topica/inteles/gramatica
... In order to have a reference point, the simulations have been made with a perfect straight fiber, then with an elliptical shape of the core. For the simulations, the parameters of the axes core were set to 5.2µm for the 1310nm wavelength, 4.6µm for the 1550nm wavelength and 62.5µm for the fiber clad ...
... In order to have a reference point, the simulations have been made with a perfect straight fiber, then with an elliptical shape of the core. For the simulations, the parameters of the axes core were set to 5.2µm for the 1310nm wavelength, 4.6µm for the 1550nm wavelength and 62.5µm for the fiber clad ...
Observation of coupling between surface plasmons in index
... can be described by coupled-mode theory and are consistent with calculations9,11 that use tunneling of light through the holes as the coupling mechanism. In our experiments, a metal hole array on a glass substrate was mounted inside a closed glass cuvette with a 2.5 mm optical path length. The array ...
... can be described by coupled-mode theory and are consistent with calculations9,11 that use tunneling of light through the holes as the coupling mechanism. In our experiments, a metal hole array on a glass substrate was mounted inside a closed glass cuvette with a 2.5 mm optical path length. The array ...
Convolution in Imaging and the Optical Transfer Function Process
... optical system? Well, we’ll first by looking at a very important concept, the Optical Transfer Function (OTF). The OTF of an optical system describes how the components of the system project light from an object onto a detector or film. It’s defined by the Fourier transform of the Point Spread Funct ...
... optical system? Well, we’ll first by looking at a very important concept, the Optical Transfer Function (OTF). The OTF of an optical system describes how the components of the system project light from an object onto a detector or film. It’s defined by the Fourier transform of the Point Spread Funct ...
Research on the Design of an Optical Information Storage Sensing
... beam focuses on the servo layer for focusing and tracking, while the first-order diffraction beams focuses on the recording layer. The two beams are controlled and focus on the corresponding layers independently when changing the positions of the objective lens and the DOE. Therefore, the zeroth-ord ...
... beam focuses on the servo layer for focusing and tracking, while the first-order diffraction beams focuses on the recording layer. The two beams are controlled and focus on the corresponding layers independently when changing the positions of the objective lens and the DOE. Therefore, the zeroth-ord ...
Negative refraction and Negative refractive index
... real part of the extraordinary index is less than its imaginary part. The condition for negative refraction is satisfied by various metal-dielectric composite materials. The proposed sample of silver nanowires embedded in an alumina matrix with complex = 2.351 + i0.010 and extraordinary index N ...
... real part of the extraordinary index is less than its imaginary part. The condition for negative refraction is satisfied by various metal-dielectric composite materials. The proposed sample of silver nanowires embedded in an alumina matrix with complex = 2.351 + i0.010 and extraordinary index N ...
here - TCD Maths home - Trinity College Dublin
... In 1928, Max Knoll and a team of researchers at the Technological University of Berlin created a device that used two magnetic lenses to achieve higher magnifications, arguably the first electron microscope. The wave nature of electrons, which were considered charged matter particles, had not been f ...
... In 1928, Max Knoll and a team of researchers at the Technological University of Berlin created a device that used two magnetic lenses to achieve higher magnifications, arguably the first electron microscope. The wave nature of electrons, which were considered charged matter particles, had not been f ...
Enhancing four-wave-mixing processes by nanowire arrays coupled to a gold film Ekaterina Poutrina,
... and phase-conjugate optics [6–8]; phase-sensitive amplification [9, 10]; and entangled photon pair production [11, 12]. Because material nonlinear susceptibilities are relatively small, significant conversion efficiency in FWM processes requires that light travels over long interaction lengths – ava ...
... and phase-conjugate optics [6–8]; phase-sensitive amplification [9, 10]; and entangled photon pair production [11, 12]. Because material nonlinear susceptibilities are relatively small, significant conversion efficiency in FWM processes requires that light travels over long interaction lengths – ava ...
Optical Metrology - Bogazici University Physics Department
... However, a larger fiber core seperation will improve the resolution of the optical method ...
... However, a larger fiber core seperation will improve the resolution of the optical method ...
Long, Formal Report
... prism. When white light hits the prism, it separates the light into its spectral components. The demultiplexer works in the same way by using filters to break out the light into its respective wavelength. Another component of interest are the Optical Add/Drop Multiplexers (OADM). These types of mult ...
... prism. When white light hits the prism, it separates the light into its spectral components. The demultiplexer works in the same way by using filters to break out the light into its respective wavelength. Another component of interest are the Optical Add/Drop Multiplexers (OADM). These types of mult ...
Controllable optical negative refraction and
... the autocorrelation function of the pulses using the multi-photon excited luminescence as a signal (data not shown). For 10 mW of laser power in each of the excitation beams, the efficiency of negative refraction is found to be 0.1%, which is remarkably high for a nonlinear process. The efficiency c ...
... the autocorrelation function of the pulses using the multi-photon excited luminescence as a signal (data not shown). For 10 mW of laser power in each of the excitation beams, the efficiency of negative refraction is found to be 0.1%, which is remarkably high for a nonlinear process. The efficiency c ...
Light consists of electromagnetic waves that have oscillating electric
... EM waves cannot propagate any appreciable distance in a conductor because the E and B fields lead to currents that provide a mechanism to dissipate and reflect the energy of the wave. For an ideal conductor, E is zero everywhere inside the material and an incident EM wave is totally ...
... EM waves cannot propagate any appreciable distance in a conductor because the E and B fields lead to currents that provide a mechanism to dissipate and reflect the energy of the wave. For an ideal conductor, E is zero everywhere inside the material and an incident EM wave is totally ...
SY1. CT Laser Light Accuracy Laser light accuracy must be
... anatomical structures of the patient, and the sagittal and coronal scan localization lights, which centre the anatomic structure of interest in the scan field of view. This can be tested in several ways as shown below: 1. Axial Scan Localization Lights—Axial scan localization light accuracy is teste ...
... anatomical structures of the patient, and the sagittal and coronal scan localization lights, which centre the anatomic structure of interest in the scan field of view. This can be tested in several ways as shown below: 1. Axial Scan Localization Lights—Axial scan localization light accuracy is teste ...
Holographic fabrication of 3D photonic crystals using silicon based
... polymer. The pre-solution was poured into the container. After the bubbles were blown away, the pre-polymer was cured on a hot-plate at 130 °C for 90 minutes as shown in Fig. 1(b). The prism was then removed and a silicon chip was placed on the inner surface of the PDMS mold with polished sides to r ...
... polymer. The pre-solution was poured into the container. After the bubbles were blown away, the pre-polymer was cured on a hot-plate at 130 °C for 90 minutes as shown in Fig. 1(b). The prism was then removed and a silicon chip was placed on the inner surface of the PDMS mold with polished sides to r ...
Transmission of 1550nm 10Gb/s directly modulated signal over
... schemes) is the higher available output power, we measured the transmission performance of the system without amplification at any point. In this second set of experiments, we observed that in the case of a directly modulated signal with an ER of 8dB we could achieve a Q-factor of 9.5dB after a tran ...
... schemes) is the higher available output power, we measured the transmission performance of the system without amplification at any point. In this second set of experiments, we observed that in the case of a directly modulated signal with an ER of 8dB we could achieve a Q-factor of 9.5dB after a tran ...
chapter 6 optical amplifiers
... made with layers of antireflection coatings to prevent light from reflecting back into the circuit. Optical gain occurs as excited electrons in the semiconductor material are stimulated by incoming light signals; when current is applied across the p-n junction the process causes the photons to repli ...
... made with layers of antireflection coatings to prevent light from reflecting back into the circuit. Optical gain occurs as excited electrons in the semiconductor material are stimulated by incoming light signals; when current is applied across the p-n junction the process causes the photons to repli ...