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The dispersion of an axicon-scanned Fabry-Perot spectrometer

M. Platiša ; Institute of Physics, Beograd


Puni tekst: engleski pdf 1.511 Kb

str. 83-91

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Sažetak

A correlation is found between the linear dispersion of an Axicon-scanned Fabry-Perot ( A-F-P) spectrometer and a Fabry-Perot (F-P) interferometer. The position of the axicon, as the scanning element, is related to the parameters: the focal length of the imaging lens, the wavelength, the spacing of the F -P plates, the refraction index and the vertex angle of the axicon. A functional relation is established between the wavelength and the displacement of the axicon, from the focal plane stop. The linear dispersion of the A-F-P spectrometer is derived and shown that, at a given wavelength, it increases linearly with increasing focal length of the imaging lens as the square root of the spacing of the F-P plates. The dispersion also increases through the cot function if the vertex angle and. the refractive index of the axicon decrease.

Ključne riječi

Hrčak ID:

321981

URI

https://hrcak.srce.hr/321981

Datum izdavanja:

8.5.1973.

Podaci na drugim jezicima: hrvatski

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