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Efficient 3.5 μm mid-infrared emission in heavily Er3+-doped fluoroaluminate glasses and its emission mechanism

Efficient 3.5 μm mid-infrared emission in heavily Er3+-doped fluoroaluminate glasses and its emission mechanism
Efficient 3.5 μm mid-infrared emission in heavily Er3+-doped fluoroaluminate glasses and its emission mechanism

Er 3+-doped fluoroaluminate glasses with different concentrations were prepared by using melt-quenching method. Under a 638 nm laser diode pumping, efficient 3.5 μm emission was observed in the 18 mol% Er 3+ doped sample, which was ascribed to the Er 3+: 4F 9/2 → 4I 9/2 transition. The fluorescence properties such as radiative transition probability, energy level lifetime and branch ratio were predicted by the well-known Judd-Ofelt theory, while the emission and absorption cross-sections were calculated using the Füchtbauer-Ladenburg and McCumber theories, respectively. Both simulated and experimental results show that Er 3+-doped fluoroaluminate material is a promising gain medium for 3.5 μm laser applications.

3.5 μm emission, Er-doped, Fluoroaluminate glass, Mid-infrared fluorescence
0022-2313
Zhang, Jiquan
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Wang, Xin
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Li, Wenhao
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Liu, Mo
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Jia, Shijie
be203e37-2dc0-49e5-95e6-d188d8039eee
Wang, Lijun
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Ning, Yongqiang
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Peng, Hangyu
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Brambilla, Gilberto
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Wang, Shunbin
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Wang, Pengfei
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Zhang, Jiquan
cf0cf01c-73af-4c49-aa26-da6c46969a5b
Wang, Xin
ea92cc1d-226e-4adf-8c85-019c5ab35ddb
Li, Wenhao
3443c1e0-a1d2-42ae-9613-b48f570506a1
Liu, Mo
d38274f8-59eb-48ec-90a3-a909acc3b75d
Jia, Shijie
be203e37-2dc0-49e5-95e6-d188d8039eee
Wang, Lijun
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Ning, Yongqiang
66ea7d55-c385-498b-819b-d3a73959e475
Peng, Hangyu
b3517c8f-511b-4533-aa07-4c6b8ff0c2e0
Brambilla, Gilberto
815d9712-62c7-47d1-8860-9451a363a6c8
Wang, Shunbin
4dba0deb-e227-43b0-979b-2d807ecd975a
Wang, Pengfei
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Zhang, Jiquan, Wang, Xin, Li, Wenhao, Liu, Mo, Jia, Shijie, Wang, Lijun, Ning, Yongqiang, Peng, Hangyu, Brambilla, Gilberto, Wang, Shunbin and Wang, Pengfei (2021) Efficient 3.5 μm mid-infrared emission in heavily Er3+-doped fluoroaluminate glasses and its emission mechanism. Journal of Luminescence, 238, [118301]. (doi:10.1016/j.jlumin.2021.118301).

Record type: Article

Abstract

Er 3+-doped fluoroaluminate glasses with different concentrations were prepared by using melt-quenching method. Under a 638 nm laser diode pumping, efficient 3.5 μm emission was observed in the 18 mol% Er 3+ doped sample, which was ascribed to the Er 3+: 4F 9/2 → 4I 9/2 transition. The fluorescence properties such as radiative transition probability, energy level lifetime and branch ratio were predicted by the well-known Judd-Ofelt theory, while the emission and absorption cross-sections were calculated using the Füchtbauer-Ladenburg and McCumber theories, respectively. Both simulated and experimental results show that Er 3+-doped fluoroaluminate material is a promising gain medium for 3.5 μm laser applications.

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Efficient 3.5 μm mid-infrared emission in heavily Er3+-doped fluoroaluminate glasses and its emission mechanism - Accepted Manuscript
Available under License Creative Commons Attribution Non-commercial No Derivatives.
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Accepted/In Press date: 22 June 2021
e-pub ahead of print date: 2 July 2021
Published date: October 2021
Additional Information: Funding Information: This work was financial supported by National Key program of Natural Science Foundation of China ( NSFC61935006 ); National Natural Science Foundation of China ( NSFC61905048 , NSFC61805074 ); The Fundamental Research Funds for the Central Universities ( HEUCFG201841 , GK2250260018 , 3072019CFQ2503 , 3072019CF2504 , 3072019CF2506 , 3072020CFJ2507 , 3072020CFQ2501 , 3072020CFQ2502 , 3072020CFQ2503 , 3072020CFQ2504 ); The 111 project to the Harbin Engineering University ( B13015 ); Heilongjiang Provincial Natural Science Foundation of China ( LH2019F034 ); Heilongjiang Touyan Innovation Team Program . Publisher Copyright: © 2021 Elsevier B.V.
Keywords: 3.5 μm emission, Er-doped, Fluoroaluminate glass, Mid-infrared fluorescence
Learn more about Zepler Institute for Photonics and Nanoelectronics research

Identifiers

Local EPrints ID: 451041
URI: http://eprints.soton.ac.uk/id/eprint/451041
DOI: doi:10.1016/j.jlumin.2021.118301
ISSN: 0022-2313
PURE UUID: bee88378-40be-46b8-bed2-926929af968d
ORCID for Gilberto Brambilla: ORCID iD orcid.org/0000-0002-5730-0499

Catalogue record

Date deposited: 03 Sep 2021 16:41
Last modified: 17 Mar 2024 06:47

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Contributors

Author: Jiquan Zhang
Author: Xin Wang
Author: Wenhao Li
Author: Mo Liu
Author: Shijie Jia
Author: Lijun Wang
Author: Yongqiang Ning
Author: Hangyu Peng
Author: Gilberto Brambilla ORCID iD
Author: Shunbin Wang
Author: Pengfei Wang

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