En óptica, un interferómetro de Fabry-Pérot, o Etalon está, normalmente, constituido por una placa con dos superficies reflectantes, o dos espejos paralelos. volo per applicazioni in campo astronomico da satellite. Viene presentato l’ interferometro di. Fabry-Pérot all’interno del quadro degli spettroscopi per uso. Media in category “Fabry-Pérot interferometer”. The following 37 files are in this category, out of 37 total. Airy distribution of a Fabry-Perot.

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Please help improve this section by adding citations to reliable sources. The measurable case of the intensity resulting from the interference of both backward-propagating electric fields results in the Airy distribution [6]. Diode Lasers and Photonic Integrated Circuits 2nd ed. The generic Airy distribution, which considers solely the physical processes exhibited by light inside the resonator, then derives as the intensity circulating in the resonator relative to the intensity launched, [6].

Category:Fabry-Pérot interferometer

This article needs additional citations for verification. In the derivation below, n is the index of refraction inside the etalon, and n 0 is that outside the etalon.

The flats in an interferometer are often made in a wedge shape to prevent the rear surfaces from producing interference fringes; the rear surfaces often also have an anti-reflective coating. Since the incident beam was assumed to have an intensity of one, this will also give the transmission function:.

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Therefore, the Airy distribution becomes the underlying fundamental function and the measurement delivers a sum of Airy distributions. The stored, transmitted, and reflected light is spectrally modified compared to the incident light.

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Etalons are widely used in telecommunicationslasers and spectroscopy to control and measure the wavelengths of light.

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It is displayed as the blue line in the figure “The physical meaning of the Lorentzian finesse”. Therefore, an often applied Lnterferometro distribution is [6].

CS1 French-language sources fr Articles needing additional references from May All articles needing additional references Articles needing additional references from October Its transmission spectrum as a function of wavelength exhibits peaks of large transmission corresponding to resonances of the etalon. The sharpness of the rings depends on the reflectivity of the flats.


Interferómetro Fabry-Pérot

Retrieved from ” https: Geophone Hydrophone Microphone Seismometer. The total amplitude of both beams will be the pdrot of the amplitudes of the two beams measured along a line perpendicular to the direction of the beam. Once the internal resonance enhancement, the generic Airy distribution, is established, all other Airy distributions can be deduced by simple scaling factors. Fourier transformation of the electric field in time provides the electric field per unit frequency interval.

May Learn how and when to ihterferometro this template message. By using this site, you agree to the Terms of Use and Privacy Policy. Light is launched into the resonator under normal incidence.

Interferómetro Fabry-Pérot – Wikipedia, a enciclopedia libre

The amplitude can be rewritten as. As the ray passes through the paired flats, it is multiply reflected to produce multiple transmitted rays which are collected by the focusing lens and brought to point A’ on the screen. Photoniques in French If the transmitted beams are out-of-phase, destructive interference occurs pfrot this corresponds to a transmission minimum.

At point c the transmitted amplitude will be. The second term is proportional to a wrapped Lorentzian distribution so that the transmission function may be written as a series of Lorentzian functions:. The maximum reflectivity is given by:. The phase difference between each successive transmitted pair i.