Optical properties scattering - IMT
... in all but the forward direction of the incident light as is true for homogeneous medium, but rather interfere both constructively and destructively in a radiation pattern. Hence, particles "scatter" light in various directions with varying ...
... in all but the forward direction of the incident light as is true for homogeneous medium, but rather interfere both constructively and destructively in a radiation pattern. Hence, particles "scatter" light in various directions with varying ...
Bimodal waveguide interferometer device based high sensitive biosensing
... Main types of biofunctionalization processes; physical, covalent, and bioaffinity immobilization. . . . . . . . . . . . . . . . . . . . Refraction of light at the interface between two media of different refractive index, with n2 n1 . . . . . . . . . . . . . . . . . . . . . . Basic waveguides geomet ...
... Main types of biofunctionalization processes; physical, covalent, and bioaffinity immobilization. . . . . . . . . . . . . . . . . . . . Refraction of light at the interface between two media of different refractive index, with n2 n1 . . . . . . . . . . . . . . . . . . . . . . Basic waveguides geomet ...
A study on optical absorption and constants of doped poly(ethylene
... and reflectance spectra of the PEO/NaI composites were collected at room temperature in the wavelength range 300–800 nm. ...
... and reflectance spectra of the PEO/NaI composites were collected at room temperature in the wavelength range 300–800 nm. ...
Measurement and correction of aberrations in light and electron
... rats, the brain has a diameter of many millimeters, while individual functional units such as dendritic spines can have diameters below 100 nm (Harris & Kater, 1994), requiring experimental procedures spanning several orders of magnitude in size. Blood vessels are found throughout the brain, blockin ...
... rats, the brain has a diameter of many millimeters, while individual functional units such as dendritic spines can have diameters below 100 nm (Harris & Kater, 1994), requiring experimental procedures spanning several orders of magnitude in size. Blood vessels are found throughout the brain, blockin ...
Chapter 3 Degenerate Four Wave Mixing
... computing. If the input intensity is a given value I ( with I I I ), there are two possible output intensities. This situation corresponds to storing binary information. If a pulse of light is sent through the device, the system can make a transition to the higher state. If the input ligh ...
... computing. If the input intensity is a given value I ( with I I I ), there are two possible output intensities. This situation corresponds to storing binary information. If a pulse of light is sent through the device, the system can make a transition to the higher state. If the input ligh ...
Porous Waveguide in the Kretschmann Configuration for Small Molecule Detection
... an n-type silicon wafer (<100>, 0.01 Ω•cm) and an electrolyte of 5.5 % aqueous hydrofluoric acid. Two different current densities were applied to two different samples to create ~ 1 µm thick porous silicon layers on the silicon substrates. A current density of 40 mA/cm2 was applied for 35 seconds to ...
... an n-type silicon wafer (<100>, 0.01 Ω•cm) and an electrolyte of 5.5 % aqueous hydrofluoric acid. Two different current densities were applied to two different samples to create ~ 1 µm thick porous silicon layers on the silicon substrates. A current density of 40 mA/cm2 was applied for 35 seconds to ...
6 Capacitors - Animated Science
... before the condition of the heart deteriorates. If fibrillation has started, a much larger shock is required to restart normal contractions. Designers of defibrillators need to be able to relate the amount of energy stored to the capacitance of the defibrillator capacitors and the p.d. across the pl ...
... before the condition of the heart deteriorates. If fibrillation has started, a much larger shock is required to restart normal contractions. Designers of defibrillators need to be able to relate the amount of energy stored to the capacitance of the defibrillator capacitors and the p.d. across the pl ...
Dispersion Compensation Using Tunable Chirped Apodized Far Off Resonance Fiber
... long grating is needed. Chirp can be induced after the inscription of a constant pitch grating by creating a tem p erature gradient along the grating using piezoelectric stacks, or by bonding the Bragg grating on an active mechanical support structure [1 ]. Such configurations can use the FBG itself ...
... long grating is needed. Chirp can be induced after the inscription of a constant pitch grating by creating a tem p erature gradient along the grating using piezoelectric stacks, or by bonding the Bragg grating on an active mechanical support structure [1 ]. Such configurations can use the FBG itself ...
InP-Based Integration of Semiconductor Optical Amplifier and Phase
... Amplifiers (EDFAs), which can amplify signals at wavelengths between 1530 and 1560 nm (the EDFA window) without any conversion to the electrical domain. The EDFA window has a bandwidth of about 8 THz, which is narrower than the 1550 nm wavelength window. To reach an optimal use of the available mean ...
... Amplifiers (EDFAs), which can amplify signals at wavelengths between 1530 and 1560 nm (the EDFA window) without any conversion to the electrical domain. The EDFA window has a bandwidth of about 8 THz, which is narrower than the 1550 nm wavelength window. To reach an optimal use of the available mean ...
5 Optical Fibers
... through the axis of the fiber. For rays not satisfying this condition, see Senior (1992). Clearly, the picture of total internal reflection assumes an ideal situation without imperfections, discontinuities, or losses. In a real-world fiber, imperfections will introduce light that is refracted as wel ...
... through the axis of the fiber. For rays not satisfying this condition, see Senior (1992). Clearly, the picture of total internal reflection assumes an ideal situation without imperfections, discontinuities, or losses. In a real-world fiber, imperfections will introduce light that is refracted as wel ...
OPTICAL COHERENCE TOMOGRAPHY Layout
... all his support and guidance over the past year. His motivation and help were essential in overcoming every obstacle and small detail of this work. I would also like to thank Professor José Paulo Domingues for his guidance in choosing this project and for his availability to answer all my questions. ...
... all his support and guidance over the past year. His motivation and help were essential in overcoming every obstacle and small detail of this work. I would also like to thank Professor José Paulo Domingues for his guidance in choosing this project and for his availability to answer all my questions. ...
Deposition and Characterization of Dielectric Distributed Bragg
... To improve the performance of VCSELs, mirrors with less optical loss can be used. VCSELs require mirrors with > 99 % reflectance, and Distributed Bragg Reflectors (DBRs) are used to achieve this. Today, epitaxially-grown semiconductor DBRs are used, however these have low refractive index contrast, ...
... To improve the performance of VCSELs, mirrors with less optical loss can be used. VCSELs require mirrors with > 99 % reflectance, and Distributed Bragg Reflectors (DBRs) are used to achieve this. Today, epitaxially-grown semiconductor DBRs are used, however these have low refractive index contrast, ...
L6 POLARISATION
... We have already seen that the resultant of two linear polarisations with zero phase difference is also a linear polarisation. Another special case is the combination of two elementary linearly polarised waves whose phase difference is exactly π. The resultant is a linear polarisation but its orienta ...
... We have already seen that the resultant of two linear polarisations with zero phase difference is also a linear polarisation. Another special case is the combination of two elementary linearly polarised waves whose phase difference is exactly π. The resultant is a linear polarisation but its orienta ...
The American University in Cairo School of Science and Engineering
... length............................................................................................................................................. 92 Fig. 42 . (a) The coupling from the right to left strip after 18μm at s =30nm at different values for cladding refractive index. (b) The normalized ...
... length............................................................................................................................................. 92 Fig. 42 . (a) The coupling from the right to left strip after 18μm at s =30nm at different values for cladding refractive index. (b) The normalized ...
sensors Chemical Sensing Using Fiber Cavity Ring-Down Spectroscopy
... cavity ring-down spectrometers the optical loss is changed by filling the cavity, at least in part, with an absorber, which can then be quantified. Most CRD spectrometers are designed for very sensitive gas absorption measurements and have volumes of tens to hundreds of milliliters. Measurements on ...
... cavity ring-down spectrometers the optical loss is changed by filling the cavity, at least in part, with an absorber, which can then be quantified. Most CRD spectrometers are designed for very sensitive gas absorption measurements and have volumes of tens to hundreds of milliliters. Measurements on ...
SIMG-303-20033 Solution Set #5
... incident on a plate of glass at an angle θi = 58◦ 010 , the reflected light is seen to be completely linear polarized. Find the refractive index of the glass. If light is reflected obliquely from the sufrace of a transparent material, then both the reflected and transparent beams are (in general) pa ...
... incident on a plate of glass at an angle θi = 58◦ 010 , the reflected light is seen to be completely linear polarized. Find the refractive index of the glass. If light is reflected obliquely from the sufrace of a transparent material, then both the reflected and transparent beams are (in general) pa ...
Review, Axelrod
... the effect of absorbers on the intensity of the reflected laser beam. Aside from the effect of absorbers, the presence of an intermediate layer of a homogeneousdielectric material of unmatchedrefractive index deposited on the totally reflecting surface can clearly affect the evanescent wave intensit ...
... the effect of absorbers on the intensity of the reflected laser beam. Aside from the effect of absorbers, the presence of an intermediate layer of a homogeneousdielectric material of unmatchedrefractive index deposited on the totally reflecting surface can clearly affect the evanescent wave intensit ...
Photonic band structure of ZnO photonic crystal slab laser
... Although “Bragg reflection” plus “index guiding” description of the electromagnetic field in PhCS can elucidate many physical phenomena that occur in such system, it is naive because both in-plane and vertical propagation or confinement are inseparable. In order to obtain the photonic modes of PhCS ...
... Although “Bragg reflection” plus “index guiding” description of the electromagnetic field in PhCS can elucidate many physical phenomena that occur in such system, it is naive because both in-plane and vertical propagation or confinement are inseparable. In order to obtain the photonic modes of PhCS ...
optical resonances in multilayer structures
... Further, we analyze in the subsequent parts of the thesis structures that incorporate so called negative index metamaterials. Broadly speaking, these are materials that have both negative permittivity and permeability. We consider isotropic metamaterials where permittivity and permeability remain sc ...
... Further, we analyze in the subsequent parts of the thesis structures that incorporate so called negative index metamaterials. Broadly speaking, these are materials that have both negative permittivity and permeability. We consider isotropic metamaterials where permittivity and permeability remain sc ...
7. Electromagnetic Waves 7A. Plane Waves Complex Notation
... • It is possible for there to be a phase shift between D and E or B and H – Similar to a phase shift for a damped, driven harmonic oscillator • This can be show up as complex and • We will (for now) assume they are both real k E 0 k B • Most common situation is = 0 and > 0 k E B ...
... • It is possible for there to be a phase shift between D and E or B and H – Similar to a phase shift for a damped, driven harmonic oscillator • This can be show up as complex and • We will (for now) assume they are both real k E 0 k B • Most common situation is = 0 and > 0 k E B ...