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Accurate and Efficient Computation of Synchrotron Radiation in the
Accurate and Efficient Computation of Synchrotron Radiation in the

... We emphasize the generality and high accuracy of the near-field emission and propagation computation methods used in SRW. Magnetic fields of nearly arbitrary configurations are supported. The radiation can be computed at small distances from the emission region. The theoretical limits of the propaga ...
Research Express@NCKU Form (English example) Item Content
Research Express@NCKU Form (English example) Item Content

OCS`08
OCS`08

... This OCS Conference is the second edition on the Optical Complex Systems to be held in Cannes, from 17 to 19 March 2008, in the heart of the French Riviera (The first OCS meeting of 2005 was held in Marseille). The Optical Complex Systems are more and more in the heart of various systems that indust ...
Multiplexing in high-density optical data storage using the orbital
Multiplexing in high-density optical data storage using the orbital

... Multiple information can be stored in one storage location by imparting fine structure to the optical effects (or ‘pits’) on a disc. We have chosen a fine structure such that the optical beam reflected from the disc shows orbital angular momentum. Because of the electromagnetic conservation law that ...
Fourier Optics Laboratory Manual - McGill Undergraduate Physics Lab
Fourier Optics Laboratory Manual - McGill Undergraduate Physics Lab

... This experiment will study optical wave phenomena that are very dependent of interference, that is, the ability of several beams of light to interact with each other. For that to happen, the light of the beams must be at the same frequency and must be coherent. The use of a Laser is therefore approp ...
INFRA-RED OPTICAL COMMUNICATION SYSTEMS*
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... for an infra-red system at wavelengths longer than 1 p, with somewhat higher capacity below this wavelength. Of course, many different wavelengths can be transmitted along the system simultaneously, and dispersive optics used to feed-in and feed-out each channel at either end. Using fibre optical gu ...
Experimental Competition
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... Calculate the value of g and the experimental error in it Copy the values 2R, x0, h0, H and the experimental value of g and its error onto the answer form. ...
TRIPURA UNIVERSITY 2014
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Optical Communication Systems
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... Final competences 1  Knowing and understanding the main components and system concepts that are 1  used in optical communication. 2  Being able to calculate signal to noise ratios for optical links. 3  Being able to design simple optical communication links. 4  Being able to use CAD tools for design ...
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Porous Biomimetic Microlens Arrays as Multifunctional Optical
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Imaging visible light using anisotropic metamaterial slab lens Jie Yao, Kun-Tong Tsai,
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... incident light can be selected by a linear polarizer. The transmitted light was mapped by NSOM in various distances from the output surface, using a tapered optical fiber coated with chromium as the NSOM tip. An aperture is drilled at the end of the tapered tip for light collection. A xyz AFM scanne ...
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... generally means that either 1) the source is very small compared with the propagation distance or 2) the source is very far from an observation point such that, in either case, the source resembles a point source over the space of observation. The Van Cittert-Zernike theorem states that there is a F ...
Lab 3: Wave Plates and Polarization of Light – Physical Science
Lab 3: Wave Plates and Polarization of Light – Physical Science

© NCERT not to be republished
© NCERT not to be republished

Brightfield contrast methods
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... Darkfield: By using a condenser N.A. greater than the objective N.A., 0th order undiffracted light is rejected at the objective back focal plane, and does not contribute to image formation. Only interference of higher-order diffracted light contributes to image formation. The result is that details ...
Background: Polarimetry is the measurement and interpretation of
Background: Polarimetry is the measurement and interpretation of

... b) Racemic mixture is not found in biological system (for example, when alanine is isolated from biological sample only one of the two isomers is present, but when alanine is synthesized in lab, a mixture of two isomers is produced) this property is used to detect the presence of life on other plane ...
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Atmospheric Turbulence and its Influence on Adaptive Optics
Atmospheric Turbulence and its Influence on Adaptive Optics

... second, recording the image motions. The variance of the differential image motions can be found parallel and perpendicular to the aperture alignments. The differential aspect of the device means that the measurements are insensitive to telescope tracking errors, vibrations, or small focus errors. T ...
Optical Mode Switch
Optical Mode Switch

... is represented by symmetrical arm length, as it is shown in Fig. 1 (b) and Fig. 1(c) respectively[3]. Fig. 1 (a) (a) shows the schematic diagram of an optical mode switch. By injecting the current into the phase shift region we can control the refractive index of that arm and make a π phase differen ...
NON-LINEAR MATERIALS Definition
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... When a plane wave front (i) passes through a distorting medium the wave front is distorted (ii). If this distorted wave front is reflected at the ordinary mirror and the reflected distorted wave (iii) is allowed to pass through the distorting medium again further distortion takes place (iv) as show ...
Practical Guide to Specifying Optical Components
Practical Guide to Specifying Optical Components

... best fit sphere from a sphere with the nominal radius of curvature. The P-V error relative to the best fit spherical surface The P-V of the best fit aspheric surface. This includes errors that are symmetric about the center of the effective aperture, such as edge roll and zonal errors. ...
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Test - Wave Optics

... The extremum may be a Minimum, a maxiinum, or a point of infiection. It is, however, usually a minimum, in Which case ...
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Optical aberration



An optical aberration is a departure of the performance of an optical system from the predictions of paraxial optics. In an imaging system, it occurs when light from one point of an object does not converge into (or does not diverge from) a single point after transmission through the system. Aberrations occur because the simple paraxial theory is not a completely accurate model of the effect of an optical system on light, rather than due to flaws in the optical elements.Aberration leads to blurring of the image produced by an image-forming optical system. Makers of optical instruments need to correct optical systems to compensate for aberration.The articles on reflection, refraction and caustics discuss the general features of reflected and refracted rays.
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