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2.4 μm fluorescence of holmium doped fluoroaluminate glasses

2.4 μm fluorescence of holmium doped fluoroaluminate glasses
2.4 μm fluorescence of holmium doped fluoroaluminate glasses
Ho3+-doped fluoroaluminate glass samples were fabricated by melt-quenching. Intense 2.4 μm emission was observed under pumping of a 638 nm laser diode, which was ascribed to the Ho3+:5F5→5I5 transitions. The Judd-Ofelt (J-O) theory was applied to predict the radiative probabilities, radiative lifetimes, and branch ratios of Ho3+ transitions. The emission and absorption cross-sections were calculated, and the gain coefficients determined for a 1 mol% Ho3+ concentration. Our results indicate that Ho3+-doped fluoroaluminate glass has a potential for developing fiber lasers operating at 2.4 μm.
2.4 μm fluorescence, Fluoroaluminate glass, Ho doped, J-O theory
0022-2313
Liu, Mo
d38274f8-59eb-48ec-90a3-a909acc3b75d
Zhang, Jiquan
cf0cf01c-73af-4c49-aa26-da6c46969a5b
Zhang, Jie
21de2303-4727-4097-9b0f-ae43d95d052a
Zhang, Zhi
ec64de99-9d5b-429c-90d1-f10609f56803
Farrell, Gerald
6c4b8f27-d88c-41a2-87ff-f2466225798f
Brambilla, Gilberto
815d9712-62c7-47d1-8860-9451a363a6c8
Wang, Shunbin
70976916-f2c8-4a61-b0ba-2cdd77286bea
Wang, Pengfei
a1ba240f-d4f0-4150-bcd8-cb418e841dcb
Liu, Mo
d38274f8-59eb-48ec-90a3-a909acc3b75d
Zhang, Jiquan
cf0cf01c-73af-4c49-aa26-da6c46969a5b
Zhang, Jie
21de2303-4727-4097-9b0f-ae43d95d052a
Zhang, Zhi
ec64de99-9d5b-429c-90d1-f10609f56803
Farrell, Gerald
6c4b8f27-d88c-41a2-87ff-f2466225798f
Brambilla, Gilberto
815d9712-62c7-47d1-8860-9451a363a6c8
Wang, Shunbin
70976916-f2c8-4a61-b0ba-2cdd77286bea
Wang, Pengfei
a1ba240f-d4f0-4150-bcd8-cb418e841dcb

Liu, Mo, Zhang, Jiquan, Zhang, Jie, Zhang, Zhi, Farrell, Gerald, Brambilla, Gilberto, Wang, Shunbin and Wang, Pengfei (2021) 2.4 μm fluorescence of holmium doped fluoroaluminate glasses. Journal of Luminescence, 238, [118265]. (doi:10.1016/j.jlumin.2021.118265).

Record type: Article

Abstract

Ho3+-doped fluoroaluminate glass samples were fabricated by melt-quenching. Intense 2.4 μm emission was observed under pumping of a 638 nm laser diode, which was ascribed to the Ho3+:5F5→5I5 transitions. The Judd-Ofelt (J-O) theory was applied to predict the radiative probabilities, radiative lifetimes, and branch ratios of Ho3+ transitions. The emission and absorption cross-sections were calculated, and the gain coefficients determined for a 1 mol% Ho3+ concentration. Our results indicate that Ho3+-doped fluoroaluminate glass has a potential for developing fiber lasers operating at 2.4 μm.

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More information

Accepted/In Press date: 1 June 2021
e-pub ahead of print date: 10 June 2021
Keywords: 2.4 μm fluorescence, Fluoroaluminate glass, Ho doped, J-O theory

Identifiers

Local EPrints ID: 450315
URI: http://eprints.soton.ac.uk/id/eprint/450315
ISSN: 0022-2313
PURE UUID: bba881b5-843b-4a77-a695-1c6023df1e72
ORCID for Gilberto Brambilla: ORCID iD orcid.org/0000-0002-5730-0499

Catalogue record

Date deposited: 22 Jul 2021 16:31
Last modified: 28 Apr 2022 01:48

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Contributors

Author: Mo Liu
Author: Jiquan Zhang
Author: Jie Zhang
Author: Zhi Zhang
Author: Gerald Farrell
Author: Shunbin Wang
Author: Pengfei Wang

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