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  • Matlab Physics - GitHub Pages
    The temporal and spatial variations of the electromagnetic field for a 1 0 mW plane monochromatic wave propagating in the +Z direction with its plane of polarization directed long the X-axis are displayed in figure 3, 4 and 5 for green light A wavelength in the range from 380 nm to 780 nm can entered in the INPUT section of the script
  • Off-axis angular spectrum method with variable sampling interval
    In this contribution, we will propose a novel off-axis ASM for simulating free space wave propagation with a large shifted destination plane To compensate for the decrease of an effective sampling number for a large shifted destination plane, we will use a variable sampling interval in a Fourier space to keep the same effective sampling number independent of the shifted distance of a
  • Light propagation analysis using a translated plane angular spectrum . . .
    A novel angular spectrum method was proposed to numerically analyze off-axis free-space light propagation on a translated plane to an arbitrary angle Utilizing a shifted angular spectrum method based on an oblique incident plane wave assumption, a generalized light propagation formulation was obtained in a wide range of both tilt angles and
  • Wide field-of-view Fourier Ptychography microscopy based on Fresnel . . .
    The following hardware was used for acquiring experimental images A Basler camera (Model acA5472-17um, pixel size 2 4 μ m × 2 4 μ m, 12 bit resolution, full-frame pixels 5496 × 3672, sensor size 13 19 mm × 8 81 mm) A 15 × 15 LED board with LED spacing 4 0 mm, central wavelength 0 52 μ m A finite-conjugate objective with N A = 0 08, magnification was either 2X or 4X as mentioned
  • Chapter 7 Angular Spectrum Representation - ETH Zürich
    y ≤ k2 and evanescent waves with k2 x + k2 y >k 2 (see Section 2 1 2) 7 1 Propagation and Focusing of Fields We have established that, in a homogeneous space, the spatial spectrum Eˆ of an optical field E in a plane z= const (image plane) is uniquely defined by the spatial spectrum in a different plane z= 0 (object plane) according to
  • Simulation of micro-optical systems including microlens arrays
    wave propagation via the angular spectrum of plane waves is proposed The advantage of this method isthat it combines the advantages of both methods, i e aberration calculation via ray tracing and wave-optical propagation via the angular spectrum of plane waves [13,14] 2 Paraxial matrix theory It is well known that a paraxial ray with ray
  • MASSACHUSETTS INSTITUTE OF TECHNOLOGY - MIT OpenCourseWare
    The grating is placed at the plane z= 0 and illuminated by an o {axis plane wave g (x;z= 0) = exp n i2ˇ x sin + i2ˇ z cos o z=0 ˇ exp ˆ i2ˇ x ˙ propagating at angle ˝ 1 with respect to the optical axis z 1 a) Describe, in as much detail as possible, the Fresnel di raction pattern g +(x;z= 0)
  • collectPlaneWave - MathWorks
    Simulate received plane waves expand all in page Syntax Y = collectPlaneWave The azimuth angle is the angle between the x-axis and the projection of the arrival direction vector onto the xy plane When measured from the x-axis toward the y-axis Assume the propagation speed is the speed of light and the carrier frequency of the signal
  • Plot E, H and power using MATLAB - MATLAB Answers - MATLAB . . . - MathWorks
    Consider a plane wave propagating in the +Z direction within a conducting medium Plot (@ 1 MHz) using MATLAB: (a) Electric field (c) Total power flow (b) Magnetic field along with the E, H and power plots
  • (PDF) Matlab Simulation of Electromagnetic Waves Propagation . . .
    Moreover, the three-dimensional real-time graphics of electromagnetic wave propagation can also be simulated in MATLAB; different patterns of electromagnetic waves propagating in oil and water
  • (PDF) Plane-Wave Generators: Design Guidelines . . . - ResearchGate
    The aim of this paper is to investigate the main aspects of the synthesis of plane wave generators (PWGs) i e , arrays capable of emulating a plane wave, or a superposition of plane waves, in a
  • Angular spectrum-based wave-propagation method with compact space . . .
    19] developed an AS method for off-axis field calcula- tions with a reduced sampling frequency that is restricted to band-limited fields propagating in off-axis direction
  • An introduction to off-axis parabolic mirrors - University of Arizona
    Off-axis parabolic mirrors (OAPs) can be a useful tool in optical design OAPs combine the achromatic and diffraction limited imaging properties of a parabolic mirror with the ability to deviate the light path off-axis, which is useful for most imaging systems However, when used improperly, OAPs can be difficult to align and achieve ideal imaging
  • RayTracing - Ray tracing propagation model - MATLAB - MathWorks
    To improve the accuracy of the number of paths found by the SBR method, decrease the value of AngularSeparation Decreasing the value of AngularSeparation increases the amount of time MATLAB ® requires to perform the analysis When you first use a given value of AngularSeparation in a MATLAB session, MATLAB caches the geodesic sphere associated with that value for the duration of the session





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