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Proceedings Paper

Measuring parameters and characteristics of a fiber optic spectrometer using white-light spectral interferometry
Author(s): Petr Hlubina; Igor P. Gurov; Vladimir Chugunov
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Paper Abstract

Spectral-domain white-light interferometric technique with channeled spectrum detection is used to measure characteristics and parameters of a fiber optic spectrometer. In the experimental setup comprising a white-light source, a Michelson interferometer and a spectrometer to be characterized, the spectral interferograms are recorded for different optical path differences (OPDs) between interfering beams. By processing the recorded spectral interferograms using discrete filtering and fringe amplitude demodulation method, the spectral fringe visibilities, first as a function of wavelength for given OPDs between interfering beams, and second as a function of the OPD between interfering beams for given wavelengths, are obtained. It is confirmed, in accordance with previous experimental and theoretical results, that the spectral fringe visibility functions, which are dependent on the OPD between interfering beams, are Gaussian functions. From the widths of the Gaussian visibility functions the spectrometer bandpasses at different wavelengths are evaluated.

Paper Details

Date Published: 8 July 2003
PDF: 6 pages
Proc. SPIE 5036, Photonics, Devices, and Systems II, (8 July 2003); doi: 10.1117/12.498250
Show Author Affiliations
Petr Hlubina, Silesian Univ. at Opava (Czech Republic)
Igor P. Gurov, St. Petersburg Institute of Fine Mechanics and Optics (Russia)
Vladimir Chugunov, St. Petersburg Institute of Fine Mechanics and Optics (Russia)


Published in SPIE Proceedings Vol. 5036:
Photonics, Devices, and Systems II

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