About: Measurement of Iodine Purity in Absorption Cells for Laser Frequency Stabilization

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	In the contribution we present a system for measurement of iodine purity by means excitation of a selected strong transition, measurement of induced fluorescence and evaluation by the Stern-Volmer formula. The arrangement is based on a pumping Ar-ion laser tuned to the transition of interest but its linewidth far exceeds the transition. Frequency noise of the laser is effectivelly reduced by monitoring the fluorescence in a second, reference iodine cell and together with monitoring of the laser power enables cancelation of the frequency noise influence which generates errors by demodulating on the absorption profile. The level of the scattered light is subtracted as well. All the measured data are digitally processed and the experiment is fully computer controlled. In the contribution we present a system for measurement of iodine purity by means excitation of a selected strong transition, measurement of induced fluorescence and evaluation by the Stern-Volmer formula. The arrangement is based on a pumping Ar-ion laser tuned to the transition of interest but its linewidth far exceeds the transition. Frequency noise of the laser is effectivelly reduced by monitoring the fluorescence in a second, reference iodine cell and together with monitoring of the laser power enables cancelation of the frequency noise influence which generates errors by demodulating on the absorption profile. The level of the scattered light is subtracted as well. All the measured data are digitally processed and the experiment is fully computer controlled. (en) V tomto příspěvku prezentujeme systém pro měření čistoty jodu pomocí excitace vybraného silného přechodu, následným měřením indukované fluorescence a výpočtem pomocí Stern-Volmerovy formule. Vliv frekvenčního šumu laseru a kolísání výkonu laserového svazku je účinně redukován přidáním pomocné referenční kyvety. Systém rovněž umožňuje korekci rozptýleného laserového světla. Všechna data jsou digitálně zpracována a experiment je plně řízen počítačem. (cs)
Title	Measurement of Iodine Purity in Absorption Cells for Laser Frequency Stabilization Měření čistoty jódu v absorpčních kyvetách pro frekvenční stabilizaci laserů (cs) Measurement of Iodine Purity in Absorption Cells for Laser Frequency Stabilization (en)
skos:prefLabel	Measurement of Iodine Purity in Absorption Cells for Laser Frequency Stabilization Měření čistoty jódu v absorpčních kyvetách pro frekvenční stabilizaci laserů (cs) Measurement of Iodine Purity in Absorption Cells for Laser Frequency Stabilization (en)
skos:notation	RIV/68081731:_____/07:00082860!RIV07-AV0-68081731
http://linked.open.../vavai/riv/strany	377;381
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(IAA200650504), P(LC06007), Z(AV0Z20650511)
http://linked.open...vai/riv/dodaniDat	2007
http://linked.open...aciTvurceVysledku	Petrů, František Hrabina, Jan Číp, Ondřej Lazar, Josef Jedlička, Petr
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav přístrojové techniky AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	432481
http://linked.open...ai/riv/idVysledku	RIV/68081731:_____/07:00082860
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	absorption cells; frequency stability; impurities estimation; spectroscopy (en)
http://linked.open.../riv/klicoveSlovo	impurities estimation spectroscopy absorption cells frequency stability
http://linked.open...ontrolniKodProRIV	[BDC6F55320F3]
http://linked.open...v/mistoKonaniAkce	Brno
http://linked.open...i/riv/mistoVydani	Brno
http://linked.open...i/riv/nazevZdroje	Proceedings of 17th International Conference Radioelektronika 2007
http://linked.open...in/vavai/riv/obor	BH
http://linked.open...ichTvurcuVysledku	5 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Centre of Modern Optics Precision of the optical frequency of lasers stabilized on saturated absorption in iodine
http://linked.open...UplatneniVysledku	2007
http://linked.open...iv/tvurceVysledku	Hrabina, Jan Lazar, Josef Číp, Ondřej Jedlička, Petr Petrů, František
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2007-04-24 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Research into experimental methods for examination of the physical properties of matter and their application in advanced technologies
number of pages	5 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií. Ústav radioelektroniky
https://schema.org/isbn	978-80-214-3390-8

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