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Laser-based displays: a review - Optical Microsystems Laboratory
Laser-based displays: a review - Optical Microsystems Laboratory

... lasers can vary with the junction temperature, which will in turn adversely affect the color balance of the display, if left uncontrolled. For a red laser diode, the deviations from the specified wavelength should be less than 0:5 nm, whereas power variations should be kept below 0.7%. Temperature s ...
Answer Key
Answer Key

Effect of fluoro-polycarbonates containing aliphatic
Effect of fluoro-polycarbonates containing aliphatic

... The thermo-optic MZI is a basic device in planar light-wave circuits. In optical communication systems, it is widely used in optical modulators or switches because of its low optical loss, polarization independence, and long-term stability.5 Polymer materials have been intensively investigated due t ...
Galileoscope Optics Guide - Teaching with Telescopes
Galileoscope Optics Guide - Teaching with Telescopes

... 1. Tell the students they are going to learn why light bends when it passes from air to plastic. Show the students the line and tell them that one side of the line represents air and the other side of the line represents plastic. 2. Tell the students that light is a wave, similar to a water wave. Th ...
The Fresnel Coefficients - The Society of Vacuum Coaters
The Fresnel Coefficients - The Society of Vacuum Coaters

EXPERIMENT 06 Helium Neon Laser
EXPERIMENT 06 Helium Neon Laser

... lines and amplification is indicated as a percentage per meter. Further laser transitions are known, which start at the 3s2 level and terminating at the 3p level of the neon. However, these laser transitions lie even further within the infrared spectral range and cannot be detected with the silicon ...
supplementary information
supplementary information

... substrate can lead to a significant red-shift of the LSPR peak. We have performed a calculation based on the generalized Mie theory. Because of the limitation of the calculation time, we have to use a large Au NP (d = 200 nm) to simulate the much larger surface. As shown in Fig. S1b that the corresp ...
2008 Equilibrium -- without math (PowerPoint 13 MB)
2008 Equilibrium -- without math (PowerPoint 13 MB)

... the solution is unsaturated, (a solution that contains less solute than it has the capacity to dissolve) the solution is saturated, (at a given temperature, the solution that results when the maximum amount of a substance has dissolved in a solvent), or the solution is supersaturated, (a solution th ...
Properties of a 4Pi confocal fluorescence microscope
Properties of a 4Pi confocal fluorescence microscope

... spherical wave front and the presence of aplanatic illumination force additional elevations along the optical axis that reach peak values of 0.58. For calculation of the resolution of the type-A 4Pi confocal fluorescence microscope (4Pi illumination and normal detection), the illumination point-spre ...
Fiber-based optical parametric amplifiers and their applications
Fiber-based optical parametric amplifiers and their applications

... fixed. wavelength will increase with increasing Considering the special case when the pump becomes deis no longer fulfilled. pleted such that the condition Studying (12), we may note that the approximation performed in the last equality is no longer correct. If we still assume that , the we are oper ...
SQA CfE Higher Chemistry Unit 3: Chemistry in society
SQA CfE Higher Chemistry Unit 3: Chemistry in society

... Until a few decades ago concern for the wider environment was not given much consideration. Nowadays, the safety and environmental effects of the manufacture, use and disposal of consumer products, including chemicals, is of paramount importance. Many chemical processes are changing in response to t ...
LINEAR AND NONLINEAR LIGHT BULLETS: RECENT
LINEAR AND NONLINEAR LIGHT BULLETS: RECENT

... The study of localized structures in optics has recently identified nonlinear self-similar propagation as a robust means of avoiding optical beam or pulse breakup at high power [54]-[57]. Notice that spatiotemporally expanding selfsimilar light bullets and vortex tori, which are solutions of a three ...
by ZHAOBING TIAN
by ZHAOBING TIAN

... (Physics) for their guidance and insights during the experiment and thesis writing. This thesis would not be completed without their professional and valuable advice. I would like to acknowledge funding support by Natural Science and Engineering Council of Canada (RGPIN 311817-06), and by the Canadi ...
Ans: Optical Fiber Communication System
Ans: Optical Fiber Communication System

... transmit light between the two ends of the fiber. The field of applied science and engineering concerned with the design and application of optical fibers is known as fiber optics. Optical fibers are widely used in fiber-optic communications, where they permit transmission over longer distances and ...
Reaction Dynamics of Zr and Nb with Ethylene
Reaction Dynamics of Zr and Nb with Ethylene

... hydrocarbon pressure, pseudo-first-order rate constants for M + hydrocarbon reactions have been determined.11-13 These rate constants include contributions from bimolecular elimination reactions as well as termolecular processes. In nearly all experiments carried out to date, the chemical reaction p ...
Towards Multimaterial Multifunctional Fibres that See, Hear, Sense and Communicate
Towards Multimaterial Multifunctional Fibres that See, Hear, Sense and Communicate

... bandgap10–12 (PBG) effect have been demonstrated. The wide variety of results obtained by these fibres has been recently reviewed, and the reader is referred to these reviews for further details13,14. The materials used in these fibres are the traditional materials, namely silica glasses or polymers ...
CfE Higher Chemistry Unit 3: Chemistry in Society
CfE Higher Chemistry Unit 3: Chemistry in Society

... Until a few decades ago concern for the wider environment was not given much consideration. Nowadays, the safety and environmental effects of the manufacture, use and disposal of consumer products, including chemicals, is of paramount importance. Many chemical processes are changing in response to t ...
Modeling Light Scattering in Tissue as Continuous Random Media
Modeling Light Scattering in Tissue as Continuous Random Media

... distributions of refractive index. This distribution could be in the form of a continuous function of refractive index (like atmospheric turbulance) or in the form of discrete particles. Many models of tissue scattering approximate tissue as a collection of randomly placed spheres or spheroids [11]– ...
Date: 16 / 01 / 2014 - Qatar University QSpace
Date: 16 / 01 / 2014 - Qatar University QSpace

... Figure 4.2 Adsorption isotherm of Cu-ZSM5 catalyst ...................................................... 51 Figure 4.3 Illustration of how SEM works...................................................................... 52 Figure 4.4 SEM scan of Cu-ZSM5............................................... ...
PCCPwww
PCCPwww

... centres to operate. Copper(I) exchanged zeolites can be considered as the best known type of inorganic tri-dimensionally organized catalysts, because of their crystalline structure and of the controlled dispersion of the metal centres which ensure a good structural definition to the adsorbing sites.2 ...
F:\Users\Steven\Documents\Chemistry\CHEM120\Problem Set
F:\Users\Steven\Documents\Chemistry\CHEM120\Problem Set

... When I went to write this problem I looked at the periodic table and saw that Rubidium had a mass of 85.467. Since the mass of all isotopes are even (or nearly so) and this average was uneven I knew immediately that rubidium had to have two major isotopes. When I looked up the isotopes sure enough t ...
LD Didactic (LEYBOLD) Scientific Teaching Manual
LD Didactic (LEYBOLD) Scientific Teaching Manual

A comparison of the effects of fluoride and chloride
A comparison of the effects of fluoride and chloride

Mathematical Skills Handbook
Mathematical Skills Handbook

PDF - ACS Publications - American Chemical Society
PDF - ACS Publications - American Chemical Society

... overcome such as the insulating character of the active material end members (sulfur and Li2S) on discharge and charge;4 the corresponding large volume change;5 lithium dendrite formation6 during cell operation; andmost importantly dissolution of the intermediate lithium polysulfide redox species i ...
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Ultraviolet–visible spectroscopy



Ultraviolet–visible spectroscopy or ultraviolet-visible spectrophotometry (UV-Vis or UV/Vis) refers to absorption spectroscopy or reflectance spectroscopy in the ultraviolet-visible spectral region. This means it uses light in the visible and adjacent (near-UV and near-infrared [NIR]) ranges. The absorption or reflectance in the visible range directly affects the perceived color of the chemicals involved. In this region of the electromagnetic spectrum, molecules undergo electronic transitions. This technique is complementary to fluorescence spectroscopy, in that fluorescence deals with transitions from the excited state to the ground state, while absorption measures transitions from the ground state to the excited state.
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