ThuliumV1, Main, Exploration, bibRecord, 000957

Structural origin and laser performance of thulium-doped germanate glasses.

Identifieur interne : 000957 ( Main/Exploration ); précédent : 000956; suivant : 000958

Structural origin and laser performance of thulium-doped germanate glasses.

Auteurs : Rongrong Xu [République populaire de Chine] ; Lin Xu ; Lili Hu ; Junjie Zhang

Source :

The journal of physical chemistry. A [ 1520-5215 ] ; 2011.

RBID : pubmed:22085213

Descripteurs français

KwdFr :
- Analyse spectrale Raman (), Calorimétrie différentielle à balayage (), Germanium (), Lasers, Oxydes (), Température, Thulium (), Verre ().
MESH :
- Analyse spectrale Raman, Calorimétrie différentielle à balayage, Germanium, Lasers, Oxydes, Température, Thulium, Verre.

English descriptors

KwdEn :
- Calorimetry, Differential Scanning (methods), Germanium (chemistry), Glass (chemistry), Lasers, Oxides (chemistry), Spectrum Analysis, Raman (methods), Temperature, Thulium (chemistry).
MESH :
- chemical , chemistry : Germanium, Oxides, Thulium.
- chemistry : Glass.
- methods : Calorimetry, Differential Scanning, Spectrum Analysis, Raman.
- Lasers, Temperature.

Abstract

The structural origin and laser performance of thulium-doped germanate glasses have been studied. The investigation includes two main sections. The first part discusses the Raman spectroscopic and thermal stability of the host glass structure. The low value of the largest phonon energy (850 cm(-1)) reduces the probability of nonradiative relaxation. The large emission cross section of the Tm(3+) : (3)F(4) level (8.69 × 10(-21) cm(2)), the high quantum efficiency of the (3)F(4) level (71%), and the low nonradiative relaxation rate of the (3)F(4) → (3)H(6) transition (0.09 ms(-1)) illustrate good optical properties of the germanate glass. In the second part, the room-temperature laser action from the thulium-doped germanate glass is demonstrated when pumped by a 790 nm laser diode. The maximum output power of 346 mW and slope efficiency of 25.6% are achieved.

DOI: 10.1021/jp207574m
PubMed: 22085213

Affiliations:

République populaire de Chine

Le document en format XML

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<front><div type="abstract" xml:lang="en">The structural origin and laser performance of thulium-doped germanate glasses have been studied. The investigation includes two main sections. The first part discusses the Raman spectroscopic and thermal stability of the host glass structure. The low value of the largest phonon energy (850 cm(-1)) reduces the probability of nonradiative relaxation. The large emission cross section of the Tm(3+) : (3)F(4) level (8.69 × 10(-21) cm(2)), the high quantum efficiency of the (3)F(4) level (71%), and the low nonradiative relaxation rate of the (3)F(4) → (3)H(6) transition (0.09 ms(-1)) illustrate good optical properties of the germanate glass. In the second part, the room-temperature laser action from the thulium-doped germanate glass is demonstrated when pumped by a 790 nm laser diode. The maximum output power of 346 mW and slope efficiency of 25.6% are achieved.</div>
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<name sortKey="Zhang, Junjie" sort="Zhang, Junjie" uniqKey="Zhang J" first="Junjie" last="Zhang">Junjie Zhang</name>
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Structural origin and laser performance of thulium-doped germanate glasses.

Structural origin and laser performance of thulium-doped germanate glasses.

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

Pour générer des pages wiki

	Serveur d'exploration sur le thulium
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