Lenserf Reflection, Fresnel Reflection,
... the lower half space having the higher index of refraction. We use subscripts 1 and 2 to distinguish between the higher- and lower-index regions. The solid black arrows indicate the real-valued phase vectors or “k” vectors of the infinite plane waves that form the basis for the Fresnel analysis. Thes ...
... the lower half space having the higher index of refraction. We use subscripts 1 and 2 to distinguish between the higher- and lower-index regions. The solid black arrows indicate the real-valued phase vectors or “k” vectors of the infinite plane waves that form the basis for the Fresnel analysis. Thes ...
Bragg waveguides with low-index liquid cores
... Many of these applications exploit the ability of binary layers to efficiently reflect light back into a medium of refractive index lower than the layers themselves, such as in liquid-filled waveguides for applications in optofluidics [4–6], particle manipulation [9] and sensing [7, 8, 16], where su ...
... Many of these applications exploit the ability of binary layers to efficiently reflect light back into a medium of refractive index lower than the layers themselves, such as in liquid-filled waveguides for applications in optofluidics [4–6], particle manipulation [9] and sensing [7, 8, 16], where su ...
Applications of Geometric Phase in Optics
... In 1984 Berry reported on the analysis of an aspect of dynamical systems that had been largely ignored before [1]. It involved the phase that a physical system acquires when it travels a path in either parameter space or state space. Consider for instance a beam of light traveling on a certain path ...
... In 1984 Berry reported on the analysis of an aspect of dynamical systems that had been largely ignored before [1]. It involved the phase that a physical system acquires when it travels a path in either parameter space or state space. Consider for instance a beam of light traveling on a certain path ...
TIE-29: Refractive Index and Dispersion
... Glass for hot processing i.e reheat pressing is subjected to much more rapid annealing. The heat treatment processes used by the customer in general use annealing rates much higher than 2°C/h. Therefore for N-BK7 pressings for example the initial refractive index needs to be higher than the target v ...
... Glass for hot processing i.e reheat pressing is subjected to much more rapid annealing. The heat treatment processes used by the customer in general use annealing rates much higher than 2°C/h. Therefore for N-BK7 pressings for example the initial refractive index needs to be higher than the target v ...
PDF
... Silicon p-n junction modulators can, of course, be run in depletion mode, where carriers are extracted rather than injected [4]–[6] and high-speed operation (30 GHz) has been obtained. However, without a p-n junction tailored to run in depletion mode in a tightly confined structure, these structures ...
... Silicon p-n junction modulators can, of course, be run in depletion mode, where carriers are extracted rather than injected [4]–[6] and high-speed operation (30 GHz) has been obtained. However, without a p-n junction tailored to run in depletion mode in a tightly confined structure, these structures ...
Chapter 3 - Optoelectronics Research Centre
... Figure 3.10 is the schematic diagram for a single wavelength loss measurement setup. For spot loss measurement, a laser diode at 1550nm operating wavelength is used. The light is launched into the core of the HFUT through free space coupling. The input coupling lens is usually of focal length 3.1mm, ...
... Figure 3.10 is the schematic diagram for a single wavelength loss measurement setup. For spot loss measurement, a laser diode at 1550nm operating wavelength is used. The light is launched into the core of the HFUT through free space coupling. The input coupling lens is usually of focal length 3.1mm, ...
Course: Physics 1 Module 3: Optics and Wave Phenomena
... • If a small spherical body, considered as a point, oscillates so that its radius varies sinusoidally with time, a spherical wave is produced, as shown in Figure 26. The wave moves outward from the source in all directions, at a constant speed if the medium is uniform. Due to the medium’s uniformity ...
... • If a small spherical body, considered as a point, oscillates so that its radius varies sinusoidally with time, a spherical wave is produced, as shown in Figure 26. The wave moves outward from the source in all directions, at a constant speed if the medium is uniform. Due to the medium’s uniformity ...
The Fresnel Coefficients - The Society of Vacuum Coaters
... The shortness of this abbreviated productive period meant that Fresnel had little time to publish all his work. Much remained in notes and annotated papers that were collected together by his brother Léonor. Then in early 1861, the then Minister of Public Instruction and Culture decided that the Sta ...
... The shortness of this abbreviated productive period meant that Fresnel had little time to publish all his work. Much remained in notes and annotated papers that were collected together by his brother Léonor. Then in early 1861, the then Minister of Public Instruction and Culture decided that the Sta ...
Stellar Aberration and the Fizeau Experiment
... In a previous paper published in this journal, we described a new relativistic wave equation that accounts for the propagation of light from a source to an observer in two different inertial frames. This equation, which is based on the primacy of the Doppler effect, can account for the relativity of ...
... In a previous paper published in this journal, we described a new relativistic wave equation that accounts for the propagation of light from a source to an observer in two different inertial frames. This equation, which is based on the primacy of the Doppler effect, can account for the relativity of ...
Lecture 16 - University of St Andrews
... Building a Network – The Power Budget • In order for any fibre-based system to work, it’s essential that enough power is received at the receiver to allow signal detection. • The amount of power received ABOVE the receiver sensitivity is called the System Margin. • If the power received is less tha ...
... Building a Network – The Power Budget • In order for any fibre-based system to work, it’s essential that enough power is received at the receiver to allow signal detection. • The amount of power received ABOVE the receiver sensitivity is called the System Margin. • If the power received is less tha ...
Ab initio calculations of optical properties of silver clusters: Cross
... may have a wide variation in bond lengths. The optical features of Ag2 dimer found here are consistent with the density of states (DOS) calculation of Pereiro et al. [53]; the imaginary part of the dielectric constant is proportional to the valence- and conduction-band joint density of states. The m ...
... may have a wide variation in bond lengths. The optical features of Ag2 dimer found here are consistent with the density of states (DOS) calculation of Pereiro et al. [53]; the imaginary part of the dielectric constant is proportional to the valence- and conduction-band joint density of states. The m ...
Sparse synthetic aperture with Fresnel elements (S
... called Fresnel incoherent correlation holography (FINCH) [11,12]. SAFE creates an SA by combining several Fresnel sub-holograms captured from various viewpoints by FINCH with a limited physical aperture. Later on, another scheme of SAFE was proposed, dubbed Telescopic SAFE (T-SAFE) [13]. In T-SAFE, ...
... called Fresnel incoherent correlation holography (FINCH) [11,12]. SAFE creates an SA by combining several Fresnel sub-holograms captured from various viewpoints by FINCH with a limited physical aperture. Later on, another scheme of SAFE was proposed, dubbed Telescopic SAFE (T-SAFE) [13]. In T-SAFE, ...
Optical coherence tomography (OCT): a review
... unrealistic assumption. However, models based on a modified version of this assumption provide a satisfactory description of OCT imaging in the eye and other transparent tissues composed of weakly reflecting layers that are flat over the cross section of the sample beam [22]–[25]. In this special ca ...
... unrealistic assumption. However, models based on a modified version of this assumption provide a satisfactory description of OCT imaging in the eye and other transparent tissues composed of weakly reflecting layers that are flat over the cross section of the sample beam [22]–[25]. In this special ca ...
Paraxial propagation of Mathieu beams through an apertured ABCD
... In recent years, the non-diffracting beams have received much attention in the optical domain. The interest in non-diffracting beams is due to the fact that, under ideal conditions, they propagate indefinitely without change in their transverse shape. This kind of beams has been used in different applic ...
... In recent years, the non-diffracting beams have received much attention in the optical domain. The interest in non-diffracting beams is due to the fact that, under ideal conditions, they propagate indefinitely without change in their transverse shape. This kind of beams has been used in different applic ...
4Pi Microscopy
... properties of the dye to break the diffraction barrier. Using two lenses for STED, the axial resolution was improved down to 30 to 50 nm (Dyba and Hell, 2002; Dyba et al., 2003). However, as STED is still in its infancy and, unlike I5M and 4Pi microscopy, relies on the specific properties of the dye ...
... properties of the dye to break the diffraction barrier. Using two lenses for STED, the axial resolution was improved down to 30 to 50 nm (Dyba and Hell, 2002; Dyba et al., 2003). However, as STED is still in its infancy and, unlike I5M and 4Pi microscopy, relies on the specific properties of the dye ...
Development of a Total Internal Reflection Illumination System for
... background fluorescence required further modification to an evanescent wave illumination system. This can, in principle, be done through the objective or externally. The external illumination system proved to be ...
... background fluorescence required further modification to an evanescent wave illumination system. This can, in principle, be done through the objective or externally. The external illumination system proved to be ...
Relation between s-Polarized and p-Polarized Internal Reflection
... Polarized infrared (IR) spectroscopy allows one to probe the orientation of chemical bonds.1-17 The features of polarized IR spectroscopy include (1) simultaneous probing of a wide variety of chemical bonds in organic, inorganic or hybrid materials, (2) sensitivity to measure films down to molecular ...
... Polarized infrared (IR) spectroscopy allows one to probe the orientation of chemical bonds.1-17 The features of polarized IR spectroscopy include (1) simultaneous probing of a wide variety of chemical bonds in organic, inorganic or hybrid materials, (2) sensitivity to measure films down to molecular ...
Imaging Properties of Laser-Produced Parabolic Profile Microlenses
... 2 which have larger numerical aperture and larger wave front aberrations and because of that smaller PSF. The second group consists of microlenses 3, 4, and 5 which have smaller numerical aperture and smaller wave front aberrations and because of that larger PSF. The spot diagram represents method f ...
... 2 which have larger numerical aperture and larger wave front aberrations and because of that smaller PSF. The second group consists of microlenses 3, 4, and 5 which have smaller numerical aperture and smaller wave front aberrations and because of that larger PSF. The spot diagram represents method f ...
Document
... • Reducing reliance on the in line arrangement PMTs • Placing a second fluorescence collection lens at 180o from the first one (this is more difficult in most instruments) ...
... • Reducing reliance on the in line arrangement PMTs • Placing a second fluorescence collection lens at 180o from the first one (this is more difficult in most instruments) ...