ThuliumV1, Main, Exploration, bibRecord, 000500

High-energy passively Q-switched 2 μm Tm(3+)-doped double-clad fiber laser using graphene-oxide-deposited fiber taper.

Identifieur interne : 000500 ( Main/Exploration ); précédent : 000499; suivant : 000501

High-energy passively Q-switched 2 μm Tm(3+)-doped double-clad fiber laser using graphene-oxide-deposited fiber taper.

Auteurs : Chun Liu [République populaire de Chine] ; Chenchun Ye ; Zhengqian Luo ; Huihui Cheng ; Duanduan Wu ; Yonglong Zheng ; Zhen Liu ; Biao Qu

Source :

Optics express [ 1094-4087 ] ; 2013.

RBID : pubmed:23388912

Abstract

We have demonstrated a high-energy Q-switched double-clad thulium-doped fiber laser (TDFL) using a graphene-oxide-deposited tapered fiber (GODTF) device as a saturable absorber operating at a wavelength of 2 μm for the first time. Because of the side-interaction of the graphene-oxide with the evanescent field on the taper waist, the GODTF devices have potential for offering high laser damage threshold. Using a 788 nm laser diode as the pump source, the TDFL generated stable single transverse mode Q-switched pulses with a single pulse energy of 6.71 μJ (corresponding to an average power of 302 mW) at a wavelength of 2032 nm. This is significantly higher than the highest pulse energy/average power from any rare-earth-doped fiber lasers employing a graphene or graphene-oxide based Q-switch so far. The demonstrated TDFL in this paper represents an encouraging step towards the practical applications of graphene or graphene-oxide based Q-switched 2 μm TDFLs.

PubMed: 23388912

Affiliations:

République populaire de Chine

Le document en format XML

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<front><div type="abstract" xml:lang="en">We have demonstrated a high-energy Q-switched double-clad thulium-doped fiber laser (TDFL) using a graphene-oxide-deposited tapered fiber (GODTF) device as a saturable absorber operating at a wavelength of 2 μm for the first time. Because of the side-interaction of the graphene-oxide with the evanescent field on the taper waist, the GODTF devices have potential for offering high laser damage threshold. Using a 788 nm laser diode as the pump source, the TDFL generated stable single transverse mode Q-switched pulses with a single pulse energy of 6.71 μJ (corresponding to an average power of 302 mW) at a wavelength of 2032 nm. This is significantly higher than the highest pulse energy/average power from any rare-earth-doped fiber lasers employing a graphene or graphene-oxide based Q-switch so far. The demonstrated TDFL in this paper represents an encouraging step towards the practical applications of graphene or graphene-oxide based Q-switched 2 μm TDFLs.</div>
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High-energy passively Q-switched 2 μm Tm(3+)-doped double-clad fiber laser using graphene-oxide-deposited fiber taper.

High-energy passively Q-switched 2 μm Tm(3+)-doped double-clad fiber laser using graphene-oxide-deposited fiber taper.

Source :

Abstract

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