The Beam Propagation Method
The beam propagation method used for the design of an integrated optical coupler
... include beam propagation method (BPM), the method of lines (MoL) and the coupled mode theory etc ...used propagation technique for modelling integrated and fibre optic photonic devices, ...
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Simulation of Electro-Optic Modulators by a Time-Domain Beam-Propagation Method
... a method resolving the full problem in space and ...(FDTD) method, are too expensive, and methods more adapted to the problem at hand are needed, such as the time-domain beam-propagation ...
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ANALYSIS OF DIRECTIONAL COUPLER WITH SYMMETRICAL ADJACENT PARALLEL WAVEGUIDES USING BEAM PROPAGATION METHOD
... verified. Beam propagation method with paraxial approximation along with coupled mode theory is used for numerical modelling of wave propagation through slab ...
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Analysis On Optical Waveguide (Free Space Optics) Via Beam Propagation Method (BPM)
... 1.1 Introduction of FSO Free-space optical (FSO) has been used for more than a decade as a short/medium distance point-to-point (building-to-building) connectivity solution. The license free nature of this technology ...
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New method for nonparaxial beam propagation
... represents propagation in uniform medium of index n r over a distance of ∆ z / 2 and can be easily obtained as a constant square matrix using the basis functions and their ...Each propagation step thus ...
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Non-paraxial Split-step Finite-difference Method for Beam Propagation
... The method can be used for bi-directional propagation as ...for beam propagation is not valid and its use may lead to large error in ...wide-angle beam propagation through ...
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Study on Turbulence Effects for Beam Propagation in Turbulent Atmosphere
... Rytov method, the propagation formulas of the scintillation index and the mean square angle-of-arrival fluctuation for the beam propagation in atmospheric turbulence have been derived respec- ...
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EXPERIMENTAL VERIFICATION OF THE TURBULENT EFFECTS ON LASER BEAM PROPAGATION IN SPACE
... laser beam propa- gation (Baak, 1969; Prod’homme, ...laser beam that can lead to beam distortion (Chatterjee and Fathi, ...laser propagation through turbulent media can result in scintillation ...
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Modeling of a Cracked Pipe into a Beam and Prediction of Fatigue Crack Propagation
... EXPERIMENTAL METHOD FOR BEAM: A beam of material EN8 with dimensions given below were considered for experimental ...bend method schematically shown in Figure ...
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On the Stabilization for Laminated Beam with Infinite Memory and Different Speeds of Wave Propagation
... In this work, we consider a one-dimensional laminated beam in the case of non-equal wave speeds with only one infinite memory on the effective rotation angle. In this case, we establish the general decay result ...
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Investigation on Propagation Characteristics of Super-Gaussian Beam in Highly Nonlocal Medium
... the propagation characteristics of super- Gaussian beam in highly nonlocal nonlinear ...optical beam propagation has been modeled by well known nonlocal nonlinear Schr¨odinger ...variational ...
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Beam propagation and stray radiation in the ITER EC H&CD Upper Launcher
... output beam is focused and driven towards the plasma by four sets of ...the beam-launcher interaction throughout quasi-optical propagation, with particular attention to straylight behaviour, and to ...
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Influence length of single-beam propagation in doped glass and polymer optical fibres
... We have used a bisectional method for solving Eqs. (13) and (14) [15]. Fig. 1a and Fig. 1b show variations of the output power with the DOF length in Ge/Al/Er DOF (EDOF) for a number of wavelengths and values of ...
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Beam Propagation in Quantum Communication
... for big zenith angle the links would experience too many atmospheric losses due to the increasing of atmospheric layers crossed by the laser beam. (As observed in sec- tion Quantum Communication Uplinks and ...
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Ultrasonic Beam Propagation in Cast Stainless Steel
... signa1-to-noise ratios, false indications, and mislocated flaws. One factor which plays an important role in these problems is anisotropy of the material. Whereas ma[r] ...
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Gaussian Beam Propagation through a Metamaterial Lens
... 2. Problem Setup and Mathematical Formulations Following (COMSOL 2013), we consider a two-dimensional metamaterial lens enclosed in a square air domain which is surrounded by a perfectly matched layer (PML) on each side, ...
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Conjugate Beam Method
... established method is used, one rightfully expects an identical solution to be obtained for the same ...conjugate beam method, but not by any of the other methods at ...loaded beam in ...
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Macaulay's method for a Timoshenko beam
... Euler–Bernoulli beam subject to multiple or discontinuous ...the beam, and the defl ection curve can be calculated by integrating twice with respect to the axial ...the beam. Here, the method ...
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Error propagation analysis for a Static Convergent Beam Triple LIDAR
... operations, crane operations, and bridge operations. There are two main aims of this paper. One of them is to present, in as a compact and succinct form as possible, suitable for implementation by the practitioner, the ...
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Variation of Crack Propagation in Cantilever Beam under Force Vibration
... cantilever beam under forced vibrating ...cantilever beam was made simple by assuming crack growth rate of the order of ...cantilever beam of ...
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