By Eduardo E Zurek Affiliation: Departamento de Ingeniería de Sistemas, Universidad del Norte, Km. 5 Vía a Puerto Colombia, Barranquilla, Colombia; Wilfrido A Moreno Affiliation: Electrical Engineering Department, University of South Florida, Tampa, FL 336
This paper introduces a brand new instrument to procedure the results of a diffraction grating and its interplay with different optical and digital parts in a gentle wavelength research process. The model's theoretical heritage is defined. This version is meant for tutorial reasons and it's observed a miniaturized spectrophotometer. © 2011 Wiley Periodicals, Inc. Comput Appl Eng Educ 22:187-194, 2014; View this article on-line at wileyonlinelibrary.com/journal/cae; DOI 10.1002/cae.20544 Read more...
summary: This paper introduces a brand new device to technique the consequences of a diffraction grating and its interplay with different optical and digital parts in a mild wavelength research approach. The model's theoretical history is defined. This version is meant for tutorial reasons and it really is stated a miniaturized spectrophotometer. © 2011 Wiley Periodicals, Inc. Comput Appl Eng Educ 22:187-194, 2014; View this text on-line at wileyonlinelibrary.com/journal/cae; DOI 10.1002/cae.20544
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Extra info for A numerical simulation model to facilitate the understanding of the properties of a diffraction grating
An optical vortex propagating in a nonlinear medium generates a soliton. The optical vortex soliton is a three-dimensional, robust spatial structure that propagates without changing its size. Optical vortex solitons are formed in a self-defocusing medium when the effects of diffraction are offset by the refractive index variations in the nonlinear medium. 33) E (r, φ, z, t) ∝ −|l| exp(ilφ + ikz − iwt) r where E (r, φ, z, t) is the complex amplitude of a monochromatic light wave with frequency w and wavelength λ propagating along the z axis, and k = 2π/λ is the 15 Waves and Beams propagation vector.
These plane waves interfere to compensate for the spread of the beam. A Bessel beam exists in the region of interference. 4 Generation of a Bessel beam with an axicon. On the other hand, a hologram with transmittance function t(ρ, φ) can generate Bessel beams. 32) where D is the size of the hologram. The diffraction pattern of the Bessel beam shows a very strong central spot surrounded by large number of rings. The rings can be suppressed. However, the intensity in the central spot is weaker than that of a Gaussian beam of comparable size.
R. Soc. London Ser. A, 336, 165–190, 1974. 3. J. M. Vaughan and D. V. Willetts, Interference properties of a light beam having a helical wave surface, Opt. , 30, 263–267, 1979. 4. J Durnin, Exact solutions for nondiffracting beams. I. The scalar theory, J. Opt. Soc. , 4, 651–654, 1987. 18 Optical Methods of Measurement 5. P. Coullet, L. Gil, and F. Rocca, Optical vortices, Opt. , 73, 403–408, 1989. 6. V. Yu Bazhenov, M. S. Soskin, and M. V. Vasnetsov, Screw dislocations in light wavefronts, J. Mod.