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High-Q Microresonators as Lasing Elements for Silicon Photonics
High-Q Microresonators as Lasing Elements for Silicon Photonics

... precision and depth of their teachings on the subject. As part of the EPIC program, Axel Scherer provided us with essential materials and processing capabilities, and Eli Yablonovitch gave us unwavering encouragement and insightful advice on the complex nature of silicon surfaces. I also thank Joe S ...
Fabrication of Surface Plasmon Resonators by Nanoskiving Single
Fabrication of Surface Plasmon Resonators by Nanoskiving Single

... nanoskiving are collinearly aligned and have small, regular variations in size and interwire distances from section to section; they are thus exceptionally useful as subjects for spectroscopic studies involving comparisons of structures differing in nanometer scale dimensions. By combining chemical ...
Rubidium Bose-Einstein Condensates in Optical Lattices Gretchen K
Rubidium Bose-Einstein Condensates in Optical Lattices Gretchen K

... Tom Pasquini has been an excellent officemate, and never once complained about my messy desk. Tom is a good friend, and I’ve appreciated his sense of humor. He has always helped me to keep things in context and I’ll miss our discussions. His handiwork never ceases to amaze me, and he also deserves m ...
Non-Collinear Second Harmonic Generation in
Non-Collinear Second Harmonic Generation in

... nonlinear effects are too small. For known materials the time constants, their long-term stability or other properties are not sufficient and thus often the demands of light intensity or power are too high. Thus the field of nonlinear interactions is still in rapid progress and new applications with ...
Application note: Stripping cleaving and coupling to
Application note: Stripping cleaving and coupling to

Proteins in High Electric Fields - BYU ScholarsArchive
Proteins in High Electric Fields - BYU ScholarsArchive

... Protein properties can be altered by changes in temperature, pH, cofactors, and other chemicals. Electric fields have the potential to alter protein properties without affecting other aspects of the reaction. This is particularly attractive for applications where other aspects of the reaction cannot ...
Chapter 2 Optical Layout
Chapter 2 Optical Layout

... The SOURCE portion of the program generates a set of rays that sample the source distribution (the brightness function), typically a synchrotron bending magnet or an undulator. The basic parameters are the source shape and size, depth and divergence. Additionally, information on photon energy, phase ...
control of high power pulses extracted from the maximally
control of high power pulses extracted from the maximally

... modulation instabilities of CW backgrounds and the formation of both solitons and rogue waves in a parity-time (PT)-symmetric system of linearly coupled nonlinear waveguides [29], dissipative rogue wave generation in mode-locked fiber lasers [30], electromagnetic rogue waves in beam–plasma interacti ...
OTDR DISTRIBUTED SENSING OF LIQUID HYDROCARBONS
OTDR DISTRIBUTED SENSING OF LIQUID HYDROCARBONS

... coating, the light guiding properties of the fiber and the backscatter signal can be affected by optical effects induced in this cladding due to a penetrating chemical. Thus, it is possible to detect the presence and spatial distribution of analyte molecules along the active length of the fiber. Su ...
Clutter elimination for deep clinical optoacoustic imaging using
Clutter elimination for deep clinical optoacoustic imaging using

... journal homepage: www.elsevier.com/locate/pacs ...
UNIVERSITAT ROVIRA I VIRGILI
UNIVERSITAT ROVIRA I VIRGILI

... Although we have considered that a porous silicon layer is only formed by silicon and air, the existence of silicon dioxide could also be assumed. However, silicon dioxide has not been used for the model because its optical response is very similar to that of air and it is not possible to distinguis ...
I41035057
I41035057

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[pdf]

Pulsed photoacoustic techniques and glucose determination in
Pulsed photoacoustic techniques and glucose determination in

... distributions of photoacoustic sources in a near-infrared optical skin model were simulated by the Monte Carlo method. Expansion coefficient and specific heat of glucose solution were measured by thermodynamic method, while the sound velocity in it was determined by photoacoustic approach. The effec ...
Coherent manipulation of the internal state of an atomic gas
Coherent manipulation of the internal state of an atomic gas

... The manuscript is divided in four parts. The first part contains the main theoretical issue I had to face during my work and is divided in three chapters: the first chapter contains subjects of general use, concerning treatments covered by general manuals of advanced physics; the second chapter focu ...
Rayleigh Scattering
Rayleigh Scattering

Investigating the Wavelength Dependency of Dot Gain in Color Print
Investigating the Wavelength Dependency of Dot Gain in Color Print

... combination of several light absorbing and light scattering substances.1 Photon migrations within the paper from noninked to inked regions tend to increase the photon absorption and thus decrease the halftone reflectance. In this case the dots appear effectively larger than their physical size (also ...
Get PDF - OSA Publishing
Get PDF - OSA Publishing

... Sheppard proposed an idea to overcome this problem in what we want to term spot-scanning SIM [12]. Through the use of a detector array composed of a multitude of small light-sensitive elements, each effectively acting as a pinhole, and using a postprocessing step to assign photons detected at the di ...
A guide to super-resolution fluorescence microscopy
A guide to super-resolution fluorescence microscopy

... images using computer algorithms, a high-resolution image of the underlying structure can be generated (Fig. 1 A). These algorithms use the data (via various cross-correlation and minimization algorithms) to estimate the experimental parameters, such as the grating constant, phases and direction, un ...
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as PDF

... each atom vibrates independently. In this case there is no phase relationship between the vibration of each atom. We call these incoherent phonons. Instead, in the case of a coherent phonon, there is a well defined phase relationship, and the generic ith atom moves following a sinusoidal function sin ...
Handbook of Optical Filters for Fluorescence Microscopy
Handbook of Optical Filters for Fluorescence Microscopy

... dye concentration within stained sections of the specimen, and the thickness of the specimen; 2) the extinction coefficient of the dye; 3) the quantum efficiency of the dye; and, of course, 4) the amount of stained material actually present within the field of view of the microscope. The extinction ...
CW mode-locked dye lasers for ultra fast spectroscopic studies
CW mode-locked dye lasers for ultra fast spectroscopic studies

... The combination of high power ion lasers to pump jet-stream dye lasers is common to all current experimental set ups. However, two distinct methods have been used to achieve mode locking in the dye laser, firstly passive mode locking using a saturable absorber” 2 and secondly forced mode locking usi ...
Optics and Quantum Electronics—J. G. Fujimoto, H. A. Haus, E. P. Ippen, F. X. Kärtner
Optics and Quantum Electronics—J. G. Fujimoto, H. A. Haus, E. P. Ippen, F. X. Kärtner

Chapter 2 Introduction to Waveguide and Bragg Grating Theory 2.1
Chapter 2 Introduction to Waveguide and Bragg Grating Theory 2.1

... methods of differing complexity and flexibility are possible but owing to its straightforward application the method selected to model simple channel waveguides was that of Marcatili. Whilst somewhat less flexible than some available alternatives the approach is found to give good agreement with oth ...
Fiber Optic Lab Manual
Fiber Optic Lab Manual

... This manual is an action-filled guide for completing nine stimulating activities related to fiber optic communications. The manual is compatible with most classroom texts and is ideal for creating a lab to go with almost any vocational or secondary-education fiber optics course. For best results we ...
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Optical tweezers



Optical tweezers (originally called ""single-beam gradient force trap"") are scientific instruments that use a highly focused laser beam to provide an attractive or repulsive force (typically on the order of piconewtons), depending on the refractive index mismatch to physically hold and move microscopic dielectric objects similar to tweezers. Optical tweezers have been particularly successful in studying a variety of biological systems in recent years.
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