Serveur d'exploration sur le thulium

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Passively Q-switched erbium all-fiber lasers by use of thulium-doped saturable-absorber fibers.

Identifieur interne : 000C23 ( Main/Exploration ); précédent : 000C22; suivant : 000C24

Passively Q-switched erbium all-fiber lasers by use of thulium-doped saturable-absorber fibers.

Auteurs : Tzong-Yow Tsai [Taïwan] ; Yen-Cheng Fang ; Shih-Hao Hung

Source :

RBID : pubmed:20588858

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English descriptors

Abstract

We demonstrate all-fiber passively Q-switched erbium lasers at 1570 nm using Tm(3+)-doped saturable-absorber fibers. The absorption cross section of a Tm(3+)-doped fiber at 1570 nm was measured in a bleaching experiment to be about 1.44 x 10(-20) cm(2). With a thulium-doped fiber, sequential pulses with a pulse energy of 9 microJ and a pulse duration of about 420 ns were stably produced at repetition rates in the range 0.1 to 2 kHz. The maximum pulse repetition rate was 6 kHz, limited by the maximum pump power of a 980-nm laser diode, about 230 mW.

PubMed: 20588858


Affiliations:


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<term>Fiber Optic Technology (instrumentation)</term>
<term>Lasers, Solid-State</term>
<term>Light</term>
<term>Scattering, Radiation</term>
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<term>Analyse de panne d'appareillage</term>
<term>Conception d'appareillage</term>
<term>Diffusion de rayonnements</term>
<term>Erbium ()</term>
<term>Lasers à solide</term>
<term>Lumière</term>
<term>Technologie des fibres optiques (instrumentation)</term>
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<term>Traitement du signal assisté par ordinateur (instrumentation)</term>
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<term>Erbium</term>
<term>Thulium</term>
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