Promising emission behavior in Pr 3+ /In selenide-chalcogenide-glass small-core step index fiber (SIF)
Selenide-chalcogenide glass, small-core, step-index fiber (SIF), core-doped with Pr3+: 9.51 × 1024 ions m−3 (500 ppmw) is fabricated for the first time with indium to help solubilize Pr3+. Core diameters of 20 or 40 μm are confirmed using scanning electron microscopy and near-field imaging; fibre nu...
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| Format: | Article |
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Elsevier
2017
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| Online Access: | https://eprints.nottingham.ac.uk/42642/ |
| _version_ | 1848796535188357120 |
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| author | Sakr, Hesham Tang, Zhuoqi Furniss, David Sojka, Lukasz Sujecki, S. Benson, Trevor M. Seddon, Angela B. |
| author_facet | Sakr, Hesham Tang, Zhuoqi Furniss, David Sojka, Lukasz Sujecki, S. Benson, Trevor M. Seddon, Angela B. |
| author_sort | Sakr, Hesham |
| building | Nottingham Research Data Repository |
| collection | Online Access |
| description | Selenide-chalcogenide glass, small-core, step-index fiber (SIF), core-doped with Pr3+: 9.51 × 1024 ions m−3 (500 ppmw) is fabricated for the first time with indium to help solubilize Pr3+. Core diameters of 20 or 40 μm are confirmed using scanning electron microscopy and near-field imaging; fibre numerical aperture is ∼0.4. Optical loss is ≥ 4.9 dB m−1 across the 3–9 μm mid-infrared (MIR) spectral range. On pumping at 1.55 μm or 2.013 μm, the SIFs give broad MIR emission across 3.5–6 μm assigned to 3H6 → 3H5 and 3H5 → 3H4. The Pr3+ emission-lifetime at 4.7 μm decreases from bulk-glass (10.1 ± 0.3 ms), to intermediately processed fiber (8.10 ± 0.5 ms) to SIF (7.1 ± 0.5 ms) induced by the processing. On end-pumping SIFs at 2.013 μm, the output pump-power and emission intensity at 4.7 μm became sub-linear and super-linear, respectively, suggesting MIR excited-state saturation is occurring. |
| first_indexed | 2025-11-14T19:49:31Z |
| format | Article |
| id | nottingham-42642 |
| institution | University of Nottingham Malaysia Campus |
| institution_category | Local University |
| last_indexed | 2025-11-14T19:49:31Z |
| publishDate | 2017 |
| publisher | Elsevier |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | nottingham-426422020-05-04T19:57:43Z https://eprints.nottingham.ac.uk/42642/ Promising emission behavior in Pr 3+ /In selenide-chalcogenide-glass small-core step index fiber (SIF) Sakr, Hesham Tang, Zhuoqi Furniss, David Sojka, Lukasz Sujecki, S. Benson, Trevor M. Seddon, Angela B. Selenide-chalcogenide glass, small-core, step-index fiber (SIF), core-doped with Pr3+: 9.51 × 1024 ions m−3 (500 ppmw) is fabricated for the first time with indium to help solubilize Pr3+. Core diameters of 20 or 40 μm are confirmed using scanning electron microscopy and near-field imaging; fibre numerical aperture is ∼0.4. Optical loss is ≥ 4.9 dB m−1 across the 3–9 μm mid-infrared (MIR) spectral range. On pumping at 1.55 μm or 2.013 μm, the SIFs give broad MIR emission across 3.5–6 μm assigned to 3H6 → 3H5 and 3H5 → 3H4. The Pr3+ emission-lifetime at 4.7 μm decreases from bulk-glass (10.1 ± 0.3 ms), to intermediately processed fiber (8.10 ± 0.5 ms) to SIF (7.1 ± 0.5 ms) induced by the processing. On end-pumping SIFs at 2.013 μm, the output pump-power and emission intensity at 4.7 μm became sub-linear and super-linear, respectively, suggesting MIR excited-state saturation is occurring. Elsevier 2017-05 Article PeerReviewed Sakr, Hesham, Tang, Zhuoqi, Furniss, David, Sojka, Lukasz, Sujecki, S., Benson, Trevor M. and Seddon, Angela B. (2017) Promising emission behavior in Pr 3+ /In selenide-chalcogenide-glass small-core step index fiber (SIF). Optical Materials, 67 . pp. 98-107. ISSN 1873-1252 Mid-infrared; Chalcogenide glass; Rare earth ions; Emission; Emission-lifetime; Excited-state saturation http://www.sciencedirect.com/science/article/pii/S0925346717301763 doi:10.1016/j.optmat.2017.03.034 doi:10.1016/j.optmat.2017.03.034 |
| spellingShingle | Mid-infrared; Chalcogenide glass; Rare earth ions; Emission; Emission-lifetime; Excited-state saturation Sakr, Hesham Tang, Zhuoqi Furniss, David Sojka, Lukasz Sujecki, S. Benson, Trevor M. Seddon, Angela B. Promising emission behavior in Pr 3+ /In selenide-chalcogenide-glass small-core step index fiber (SIF) |
| title | Promising emission behavior in Pr 3+ /In selenide-chalcogenide-glass small-core step index fiber (SIF) |
| title_full | Promising emission behavior in Pr 3+ /In selenide-chalcogenide-glass small-core step index fiber (SIF) |
| title_fullStr | Promising emission behavior in Pr 3+ /In selenide-chalcogenide-glass small-core step index fiber (SIF) |
| title_full_unstemmed | Promising emission behavior in Pr 3+ /In selenide-chalcogenide-glass small-core step index fiber (SIF) |
| title_short | Promising emission behavior in Pr 3+ /In selenide-chalcogenide-glass small-core step index fiber (SIF) |
| title_sort | promising emission behavior in pr 3+ /in selenide-chalcogenide-glass small-core step index fiber (sif) |
| topic | Mid-infrared; Chalcogenide glass; Rare earth ions; Emission; Emission-lifetime; Excited-state saturation |
| url | https://eprints.nottingham.ac.uk/42642/ https://eprints.nottingham.ac.uk/42642/ https://eprints.nottingham.ac.uk/42642/ |