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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
Er3+-doped fluoroaluminate glasses with different concentrations were prepared by using melt-quenching method. Under a 650 nm laser diode pumping, efficient 3.5 μm emission was observed in 18 mol% Er3+ doping concentration, which was ascribed to the Er3+: 4F9/24I9/2 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 Er3+-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
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
55ff0417-5993-46ee-8e5f-01a972c72f6a
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
5103f2d3-a328-451c-99f1-6625d219106d
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
55ff0417-5993-46ee-8e5f-01a972c72f6a
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
5103f2d3-a328-451c-99f1-6625d219106d

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

Er3+-doped fluoroaluminate glasses with different concentrations were prepared by using melt-quenching method. Under a 650 nm laser diode pumping, efficient 3.5 μm emission was observed in 18 mol% Er3+ doping concentration, which was ascribed to the Er3+: 4F9/24I9/2 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 Er3+-doped fluoroaluminate material is a promising gain medium for 3.5 μm laser applications.

Text
Efficient 3.5 μm mid-infrared emission in heavily Er3+-doped fluoroaluminate glasses and its emission mechanism - Accepted Manuscript
Restricted to Repository staff only until 2 July 2022.
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More information

Accepted/In Press date: 22 June 2021
e-pub ahead of print date: 2 July 2021
Keywords: 3.5 μm emission, Er-doped, Fluoroaluminate glass, Mid-infrared fluorescence

Identifiers

Local EPrints ID: 451041
URI: http://eprints.soton.ac.uk/id/eprint/451041
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: 28 Apr 2022 01:48

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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: Shunbin Wang
Author: Pengfei Wang

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