Note
... For paraxial rays, only a small section of the focal surface is involved, centered on the optical axis. We pretend the surface is flat and call it the focal plane. It is an approximation of Gaussian Optics that parallel rays entering an optical system are focused on a plane surface. b. Imaging exten ...
... For paraxial rays, only a small section of the focal surface is involved, centered on the optical axis. We pretend the surface is flat and call it the focal plane. It is an approximation of Gaussian Optics that parallel rays entering an optical system are focused on a plane surface. b. Imaging exten ...
1. Introduction
... occurs if the two photons are indistinguishable in all degrees of freedom, i.e. the photons have the same wavelength, polarization and spatio-temporal mode. In such a case the first two possibilities - when both photons are transmitted (Fig.1a) or reflected (Fig.1b) - cannot be distinguished from on ...
... occurs if the two photons are indistinguishable in all degrees of freedom, i.e. the photons have the same wavelength, polarization and spatio-temporal mode. In such a case the first two possibilities - when both photons are transmitted (Fig.1a) or reflected (Fig.1b) - cannot be distinguished from on ...
10-draft-EPS-238
... The complications to UV (especially) and visible atmospheric measurements are several: 1. I I0 only to 96% (for single-scattering Rayleigh part of the source), while we are generally trying to fit absorptions to much than 1%. Accurate Ring corrections must be Here is an example of for BrO in a GOM ...
... The complications to UV (especially) and visible atmospheric measurements are several: 1. I I0 only to 96% (for single-scattering Rayleigh part of the source), while we are generally trying to fit absorptions to much than 1%. Accurate Ring corrections must be Here is an example of for BrO in a GOM ...
To be published in Optics Letters: Title: Generation of linear and nonlinear nonparaxial accelerating beams Peng Zhang, Yi Hu, Drake Cannan, Alessandro Salandrino, Tongcang Li Li,
... Recently, self-accelerating Airy beams [1, 2] have attracted a great deal of interest. In contraposition with Bessel beams [3], Airy beams are solutions of the paraxial wave equation which do not rely on simple conical superposition of plane waves. For the past five years, research efforts on Airy b ...
... Recently, self-accelerating Airy beams [1, 2] have attracted a great deal of interest. In contraposition with Bessel beams [3], Airy beams are solutions of the paraxial wave equation which do not rely on simple conical superposition of plane waves. For the past five years, research efforts on Airy b ...
Department of Physics, Chemistry and Biology
... gloriosa (C. gloriosa) has left-handed polarization. In this work the polarizing properties and structural characteristics of the cuticles of these two beetles are investigated with two different techniques: scanning electron microscopy (SEM) and Mueller-matrix spectroscopic ellipsometry (MMSE). SEM ...
... gloriosa (C. gloriosa) has left-handed polarization. In this work the polarizing properties and structural characteristics of the cuticles of these two beetles are investigated with two different techniques: scanning electron microscopy (SEM) and Mueller-matrix spectroscopic ellipsometry (MMSE). SEM ...
Theoretical study on Brillouin fiber laser sensor Omer Kotlicki, Jacob Scheuer,
... 23. S. Huang, L. Thevenaz, K. Toyama, B. Y. Kim, and H. J. Shaw, “Optical Kerr-effect in fiber-optic Brillouin ring laser gyroscopes,” IEEE Photon. Technol. Lett. 5(3), 365–367 (1993). ...
... 23. S. Huang, L. Thevenaz, K. Toyama, B. Y. Kim, and H. J. Shaw, “Optical Kerr-effect in fiber-optic Brillouin ring laser gyroscopes,” IEEE Photon. Technol. Lett. 5(3), 365–367 (1993). ...
Orbital angular momentum: origins
... used ultrasound scattered from a rough surface and noted that the spatial form of the returned signal contained intensity nulls around which the phase of the signal changed by 2π. Undoubtedly it was this identification of phase singularities within randomly scattered fields that inspired the present ...
... used ultrasound scattered from a rough surface and noted that the spatial form of the returned signal contained intensity nulls around which the phase of the signal changed by 2π. Undoubtedly it was this identification of phase singularities within randomly scattered fields that inspired the present ...
Coatings - CVI Laser Optics
... Whenever light passes from one medium into a medium with different optical properties (most notably refractive index), part of the light is reflected and part of the light is transmitted. The intensity ratio of the reflected and transmitted light is primarily a function of the change in refractive i ...
... Whenever light passes from one medium into a medium with different optical properties (most notably refractive index), part of the light is reflected and part of the light is transmitted. The intensity ratio of the reflected and transmitted light is primarily a function of the change in refractive i ...
Ultrafast Acoustic Phonon Ballistics in Semiconductor Heterostructures
... phonons before their decay and before the onset of distortions from phonon focusing. Many previous experiments in both metals [9] and bulk semiconductors [4] were restricted in the maximum emitted phonon frequency by the rapid diffusion of electrons after laser excitation. In contrast, here the elec ...
... phonons before their decay and before the onset of distortions from phonon focusing. Many previous experiments in both metals [9] and bulk semiconductors [4] were restricted in the maximum emitted phonon frequency by the rapid diffusion of electrons after laser excitation. In contrast, here the elec ...
CARMENES in SPIE 2014. Building a fiber link for CARMENES
... CARMENES is a high-resolution spectroscopy project for the 3.5 m telescope at the Calar Alto Observatory, consisting of two R ∼ 82000 echelle spectrographs, one for the visual range from 550 nm to 950 nm (VIS) and one for the near infrared range from 950 nm to 1700 nm (NIR). The main scientific goal ...
... CARMENES is a high-resolution spectroscopy project for the 3.5 m telescope at the Calar Alto Observatory, consisting of two R ∼ 82000 echelle spectrographs, one for the visual range from 550 nm to 950 nm (VIS) and one for the near infrared range from 950 nm to 1700 nm (NIR). The main scientific goal ...
`Lissajous-like` trajectories in optical tweezers
... interactions in a variety of many particle systems, and is widely used in the literature [27–29]. 2.2. Non time-reversal symmetric actuator trajectory We first study the evolution of the system when an actuator microsphere of 5 µm in diameter, is driven anticlockwise in a circular trajectory with a ...
... interactions in a variety of many particle systems, and is widely used in the literature [27–29]. 2.2. Non time-reversal symmetric actuator trajectory We first study the evolution of the system when an actuator microsphere of 5 µm in diameter, is driven anticlockwise in a circular trajectory with a ...
Resonant-wavelength control and optical
... have also found that the resonant wavelength is shifted by a few nanometers, even if we constrain the graded SCH cavity to have an effective thickness of . This shift is caused by competing effects of a shift in an effective-confinement boundary as well as a larger leakage of the optical field. This ...
... have also found that the resonant wavelength is shifted by a few nanometers, even if we constrain the graded SCH cavity to have an effective thickness of . This shift is caused by competing effects of a shift in an effective-confinement boundary as well as a larger leakage of the optical field. This ...
CHAPTER 4---
... Feedback and Loss: The optical resonator A Fabry-Perot resonator, comprising two mirrors separated by a distance d, contains the medium (refractive index n). Travel through the medium introduces a phase shift per unit length equal to the wavenumber ...
... Feedback and Loss: The optical resonator A Fabry-Perot resonator, comprising two mirrors separated by a distance d, contains the medium (refractive index n). Travel through the medium introduces a phase shift per unit length equal to the wavenumber ...
Paraxial Optics
... the optical system by summarizing the effects of the combination of the individual diopters. The cardinal points are: the focal points, the principal points, and the nodal points. The focal points are those points conjugated with the infinity. The object focal point defines the location of an object ...
... the optical system by summarizing the effects of the combination of the individual diopters. The cardinal points are: the focal points, the principal points, and the nodal points. The focal points are those points conjugated with the infinity. The object focal point defines the location of an object ...
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.