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Proceedings Paper

Iodine absorption cells quality evaluation methods
Author(s): Jan Hrabina; Massimo Zucco; Miroslava Holá; Martin Šarbort; Ouali Acef; Frédéric Du-Burck; Josef Lazar; Ondřej Číp
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Paper Abstract

The absorption cells represent an unique tool for the laser frequency stabilization. They serve as irreplaceable optical frequency references in realization of high-stable laser standards and laser sources for different brands of optical measurements, including the most precise frequency and dimensional measurement systems. One of the most often used absorption media covering visible and near IR spectral range is molecular iodine. It offers rich atlas of very strong and narrow spectral transitions which allow realization of laser systems with ultimate frequency stabilities in or below 10-14 order level. One of the most often disccussed disadvantage of the iodine cells is iodine’s corrosivity and sensitivity to presence of foreign substances. The impurities react with absorption media and cause spectral shifts of absorption spectra, spectral broadening of the transitions and decrease achievable signal-to-noise ratio of the detected spectra. All of these unwanted effects directly influence frequency stability of the realized laser standard and due to this fact, the quality of iodine cells must be precisely controlled. We present a comparison of traditionally used method of laser induced fluorescence (LIF) with novel technique based on hyperfine transitions linewidths measurement. The results summarize advantages and drawbacks of these techniques and give a recommendation for their practical usage.

Paper Details

Date Published: 23 December 2016
PDF: 5 pages
Proc. SPIE 10142, 20th Slovak-Czech-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics, 101421J (23 December 2016); doi: 10.1117/12.2264432
Show Author Affiliations
Jan Hrabina, Institute of Scientific Instruments of the CAS, v.v.i. (Czech Republic)
Massimo Zucco, Istituto Nazionale di Ricerca Metrologica (Italy)
Miroslava Holá, Institute of Scientific Instruments of the CAS, v.v.i. (Czech Republic)
Martin Šarbort, Institute of Scientific Instruments of the CAS, v.v.i. (Czech Republic)
Ouali Acef, Systèmes de Référence Temps Espace, LNE-SYRTE, CNRS, Observatoire de Paris (France)
Frédéric Du-Burck, Lab. de Physique des Lasers, CNRS, Univ. Paris 13 (France)
Josef Lazar, Institute of Scientific Instruments of the CAS, v.v.i. (Czech Republic)
Ondřej Číp, Institute of Scientific Instruments of the CAS, v.v.i. (Czech Republic)


Published in SPIE Proceedings Vol. 10142:
20th Slovak-Czech-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics
Jarmila Müllerová; Dagmar Senderáková; Libor Ladányi; Ľubomír Scholtz, Editor(s)

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