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Proceedings Paper

Spectral resolution measurement technique for Czerny-Turner spectrometers based on spectral interferometry
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Paper Abstract

We propose the design of a new technique for measuring the spectral resolution of a Czerny-Turner Spectrometer based on spectral interferometry of ultrashort laser pulses. It is well known that ultrashort pulse measurement like SPIDER and TADPOLE techniques requires a precise and well characterized spectrum, especially in fringe resolution. We developed a new technique, to our knowledge, in which by measuring the nominal fringe spacing of a spectral interferogram one can characterize the spectral resolution in a Czerny-Turner spectrometer using Ryleigh’s criteria. This technique was tested in a commercial Czerny-Turner spectrometer. The results demonstrate a consistent spectral resolution between what was reported by the manufacturer. The actual calibration technique was applied in a homemade broadband astigmatism-free Czerny-Turner spectrometer. Theory and experimental results are presented.

Paper Details

Date Published: 28 August 2016
PDF: 7 pages
Proc. SPIE 9960, Interferometry XVIII, 996012 (28 August 2016); doi: 10.1117/12.2236502
Show Author Affiliations
Ramiro Contreras Martínez, Univ. Nacional Autónoma de México (Mexico)
Jesús Garduño Mejía, Univ. Nacional Autónoma de México (Mexico)
Martha Rosete Aguilar, Univ. Nacional Autónoma de México (Mexico)
Carlos J. Román Moreno, Ctr. de Ciencias Aplicadas y Desarrollo Tecnológico (Mexico)

Published in SPIE Proceedings Vol. 9960:
Interferometry XVIII
Katherine Creath; Jan Burke; Armando Albertazzi Gonçalves Jr., Editor(s)

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