All Outputs (20)

Short review and prospective: chalcogenide glass mid-infrared fibre lasers (2024)
Journal Article
Seddon, A. B., Farries, M., Nunes, J. J., Xiao, B., Furniss, D., Barney, E., Phang, S., Chahal, S., Kalfagiannis, N., Sojka, Ł., & Sujecki, S. (2024). Short review and prospective: chalcogenide glass mid-infrared fibre lasers. European Physical Journal Plus, 139(2), Article 142. https://doi.org/10.1140/epjp/s13360-023-04841-1

Rare-earth ion doped, silica glass, optical fibre amplifiers have transformed the world by enabling high speed communications and the Internet. Fibre lasers, based on rare-earth ion doped silica glass optical fibres, achieve high optical powers and a... Read More about Short review and prospective: chalcogenide glass mid-infrared fibre lasers.

Deuterium occupation of interatomic hole sites in Ni67Zr33 amorphous alloy (2023)
Journal Article
Itoh, K., Saida, J., Barney, E. R., & Hannon, A. C. (2023). Deuterium occupation of interatomic hole sites in Ni67Zr33 amorphous alloy. Journal of Alloys and Compounds, 961, Article 171094. https://doi.org/10.1016/j.jallcom.2023.171094

The occupation of interatomic hole sites by deuterium in a deuterated Ni67Zr33 amorphous alloy was investigated using diffraction measurements and a combination of reverse Monte Carlo and molecular dynamics simulation techniques. The results show tha... Read More about Deuterium occupation of interatomic hole sites in Ni67Zr33 amorphous alloy.

Room temperature mid-infrared fiber lasing beyond 5  µm in chalcogenide glass small-core step index fiber (2021)
Journal Article
Nunes, J. J., Sojka, Ł., Crane, R. W., Furniss, D., Tang, Z. Q., Mabwa, D., …Sujecki, S. (2021). Room temperature mid-infrared fiber lasing beyond 5  µm in chalcogenide glass small-core step index fiber. Optics Letters, 46(15), 3504-3507. https://doi.org/10.1364/ol.430891

We report mid-infrared fiber lasing for the first time above 5 µm in a room temperature, Ce 3+ doped, chalcogenide glass, step index fiber using in-band pumping with a 4.15 µm quantum cascade laser. The lasing fiber is 64 mm long, with a calculated n... Read More about Room temperature mid-infrared fiber lasing beyond 5  µm in chalcogenide glass small-core step index fiber.

Atomic structure of sodium iron phosphate glasses (2020)
Journal Article
Al‐Hasni, B. M., Mountjoy, G., & Barney, E. (2021). Atomic structure of sodium iron phosphate glasses. International Journal of Applied Glass Science, 12(2), 245-258. https://doi.org/10.1111/ijag.15865

The atomic structure of a series of sodium iron phosphate glasses is studied using different experimental techniques: X-ray and neutron diffraction (ND), infrared spectroscopy, extended X-ray absorption fine structure (EXAFS), and X-ray absorption ne... Read More about Atomic structure of sodium iron phosphate glasses.

Toward a Structural Model for the Aluminum Tellurite Glass System (2020)
Journal Article
Barney, E., Laorodphan, N., Mohd-Noor, F., Holland, D., Kemp, T., Iuga, D., & Dupree, R. (2020). Toward a Structural Model for the Aluminum Tellurite Glass System. Journal of Physical Chemistry C, 124(37), 20516–20529. https://doi.org/10.1021/acs.jpcc.0c04342

Neutron diffraction, 27Al MAS NMR, and 27Al Double Quantum MAS NMR results are presented and analyzed to determine the local environments of the cations in a series of aluminum tellurite glasses. Total scattering results show that, within a maximum T... Read More about Toward a Structural Model for the Aluminum Tellurite Glass System.

Experimental photoluminescence and lifetimes at wavelengths including beyond 7 microns in Sm3+-doped selenide-chalcogenide glass fibers (2020)
Journal Article
Crane, R. W., Sojka, Ł., Furniss, D., Nunes, J., Barney, E., Farries, M. C., …Seddon, A. B. (2020). Experimental photoluminescence and lifetimes at wavelengths including beyond 7 microns in Sm3+-doped selenide-chalcogenide glass fibers. Optics Express, 28(8), 12373-12384. https://doi.org/10.1364/oe.383033

1000 ppmw Sm3+-doped Ge19.4Sb9.7Se67.9Ga3 atomic % chalcogenide bulk glass and unstructured fiber are prepared. Near- and mid-infrared absorption spectra of the bulk glass reveal Sm3+ electronic absorption bands, and extrinsic vibrational absorption... Read More about Experimental photoluminescence and lifetimes at wavelengths including beyond 7 microns in Sm3+-doped selenide-chalcogenide glass fibers.

Neutron Diffraction and Raman Studies of the Incorporation of Sulfate in Silicate Glasses (2020)
Journal Article
Vaishnav, S., Hannon, A. C., Barney, E. R., & Bingham, P. A. (2020). Neutron Diffraction and Raman Studies of the Incorporation of Sulfate in Silicate Glasses. Journal of Physical Chemistry C, 124(9), 5409-5424. https://doi.org/10.1021/acs.jpcc.9b10924

Thermal and crystallization kinetics of yttrium-doped phosphate-based glasses (2019)
Journal Article
Arafat, A., Samad, S. A., Wadge, M. D., Islam, M. T., Lewis, A. L., Barney, E. R., & Ahmed, I. (2020). Thermal and crystallization kinetics of yttrium-doped phosphate-based glasses. International Journal of Applied Glass Science, 11(1), 120-133. https://doi.org/10.1111/ijag.14163

© 2019 The American Ceramic Society and Wiley Periodicals, Inc Yttrium-doped glasses have been utilized for biomedical applications such as radiotherapy, especially for liver cancer treatment. In this paper, the crystallization behavior of phosphate-... Read More about Thermal and crystallization kinetics of yttrium-doped phosphate-based glasses.

Numerical analysis of spontaneous mid-infrared light emission from terbium ion doped multimode chalcogenide fibers (2018)
Journal Article
Sujecki, S., Sojka, L., Pawlik, E., Anders, K., Piramidowicz, R., Tang, Z., Furniss, D., Barney, E., Benson, T., & Seddon, A. (2018). Numerical analysis of spontaneous mid-infrared light emission from terbium ion doped multimode chalcogenide fibers. Journal of Luminescence, 199, https://doi.org/10.1016/j.jlumin.2018.03.031

In this contribution we use a numerical model to study the photoluminescence emitted by Tb3+ doped chalcogenide-selenide glass fibers pumped by laser light at approximately 3 µm. The model consists of the set of ordinary differential equations (ODEs)... Read More about Numerical analysis of spontaneous mid-infrared light emission from terbium ion doped multimode chalcogenide fibers.

Multicomposition EPSR: toward transferable potentials to model chalcogenide glass structures (2016)
Journal Article
Towey, J. J., & Barney, E. R. (2016). Multicomposition EPSR: toward transferable potentials to model chalcogenide glass structures. Journal of Physical Chemistry B, 120(51), 13169-13183. https://doi.org/10.1021/acs.jpcb.6b08793

The structure of xAs40Se60–(1 – x)As40S60 glasses, where x = 1.000, 0.667, 0.500, 0.333, 0.250, and 0.000, is investigated using a combination of neutron and X-ray diffraction coupled with computational modeling using multicomposition empirical poten... Read More about Multicomposition EPSR: toward transferable potentials to model chalcogenide glass structures.

Dy3+-doped selenide chalcogenide glasses: influence of Dy3+ dopant-aditive and containment (2016)
Journal Article
Furniss, D., Tang, Z., Barney, E., Neate, N. C., Benson, T., & Seddon, A. (2016). Dy3+-doped selenide chalcogenide glasses: influence of Dy3+ dopant-aditive and containment. Journal of the American Ceramic Society, 99(7), 2283-2291. https://doi.org/10.1111/jace.14218

This work reports on process‐induced impurities in rare‐earth ion: Dy3+‐doped selenide chalcogenide glasses, which are significant materials for active photonic devices in the mid‐infrared region. In particular, the effect of contamination from t... Read More about Dy3+-doped selenide chalcogenide glasses: influence of Dy3+ dopant-aditive and containment.

Alkali environments in tellurite glasses (2015)
Journal Article
Barney, E. R., Hannon, A. C., Holland, D., Umesaki, N., & Tatsumisago, M. (2015). Alkali environments in tellurite glasses. Journal of Non-Crystalline Solids, 414, https://doi.org/10.1016/j.jnoncrysol.2015.01.023

Neutron diffraction measurements are reported for five binary alkali tellurite glasses, xM2O · (100 − x)TeO2 (containing 10 and 20 mol% K2O, 10 and 19 mol% Na2O, and 20 mol% 7Li2O), together with 23Na MAS NMR measurements for the sodium containing gl... Read More about Alkali environments in tellurite glasses.

Correlating structure with non-linear optical properties in xAs40Se60 x (1 ? x)As40S60 glasses (2015)
Journal Article

A series of xAs40Se60·(100 − x)As40S60 glasses, where x = 0, 25, 33, 50, 67, 75 and 100 mol% As40Se60, has been studied using neutron and X-ray total scattering, Raman spectroscopy and 77Se MAS-NMR. The results are presented with measurements of non-... Read More about Correlating structure with non-linear optical properties in xAs40Se60 x (1 ? x)As40S60 glasses.

Theoretical study of population inversion in active doped MIR chalcogenide glass fibre lasers (invited) (2014)
Journal Article
Oladeji, A., Sujecki, S., Phillips, A., Seddon, A. B., Benson, T. M., Sakr, H., Tang, Z., Barney, E., Furniss, D., Sójka, Ł., Bereś-Pawlik, E., Scholle, K., Lamrini, S., & Furberg, P. (2015). Theoretical study of population inversion in active doped MIR chalcogenide glass fibre lasers (invited). Optical and Quantum Electronics, 47(6), 1389-1395. https://doi.org/10.1007/s11082-014-0086-x

The local environment of Dy3+in selenium-rich chalcogenide glasses (2014)
Journal Article
Barney, E. R., Tang, Z., Seddon, A., Furniss, D., Sujecki, S., Benson, T. M., …Gianolio, D. (in press). The local environment of Dy3+in selenium-rich chalcogenide glasses. RSC Advances, 4(80), https://doi.org/10.1039/C4RA07192A

The environment of Dy3+ is investigated when it is added as DyCl3 or Dy foil into two base glasses, Ge16.5As19−xGaxSe64.5, where x = 3 or 10 at%, at doping levels between 0 and 3000 parts per million by weight (ppmw) Dy3+. Extended X-ray Absorption F... Read More about The local environment of Dy3+in selenium-rich chalcogenide glasses.

Modelling of multimode selenide-chalcogenide glass fibre based mir spontaneous emission sources
Presentation / Conference Contribution
Sujecki, S., Sójka, L., Bereś-Pawlik, E., Piramidowicz, R., Sakr, H., Tang, Z., Barney, E., Furniss, D., Benson, T. M., & Seddon, A. B. (2017, July). Modelling of multimode selenide-chalcogenide glass fibre based mir spontaneous emission sources. Presented at 2017 19th International Conference on Transparent Optical Networks (ICTON), Girona, Spain

Chalcogenide glass fibres have been demonstrated as a suitable medium for the realisation of spontaneous emission sources for mid-infrared photonics applications with a particular emphasis on sensor technology. Such sources give a viable alternative... Read More about Modelling of multimode selenide-chalcogenide glass fibre based mir spontaneous emission sources.

Spatiotemporal modeling of mid-infrared photoluminiscence from Terbium (III) ion doped chalcogenide-selenide multimode fibers
Presentation / Conference Contribution
Sujecki, S., Sojka, L., Tang, Z., Barney, E., Furniss, D., Benson, T., & Seddon, A. (2018, May). Spatiotemporal modeling of mid-infrared photoluminiscence from Terbium (III) ion doped chalcogenide-selenide multimode fibers. Presented at REMAT 2018 5th International Conference on Rare Earth Materials, Wroclaw, Poland

Mid-infrared (MIR) light has numerous applications in medicine, biology, agriculture, defense and security. Therefore in many laboratories intensive research is being carried out to develop MIR light technology in order to achieve a similar level of... Read More about Spatiotemporal modeling of mid-infrared photoluminiscence from Terbium (III) ion doped chalcogenide-selenide multimode fibers.

Time domain modeling of multimode selenide-chalcogenide glass fiber based mid infrared spontaneous emission sources
Presentation / Conference Contribution
Sujecki, S., Sojka, L., Tang, Z., Barney, E., Furniss, D., Benson, T. M., & Seddon, A. B. (2018, July). Time domain modeling of multimode selenide-chalcogenide glass fiber based mid infrared spontaneous emission sources. Presented at 2018 20th International Conference on Transparent Optical Networks (ICTON), Bucharest, Romania

Time domain analysis of lanthanide ion doped chalcogenide glass fibers
Presentation / Conference Contribution
Sujecki, S., Sojka, L., Tang, Z., Barney, E., Furniss, D., Benson, T., & Seddon, A. (2018, October). Time domain analysis of lanthanide ion doped chalcogenide glass fibers. Presented at 1st International Conference on Dielectric Photonic Devices and Systems Beyond Visible, Bari, Italy

Mid-infrared sources for biomedical applications based on chalcogenide glass fibres
Presentation / Conference Contribution
Seddon, A. B., Sujecki, S., Sojka, L., Furniss, D., Tang, Z., Mabwa, D., Nunes, J., Crane, R., Parnell, H. A., Jayasuriya, D., Shen, M., Fang, Y., Phang, S., Beres-Pawlik, E. M., Barney, E., Farries, M. C., & Benson, T. M. Mid-infrared sources for biomedical applications based on chalcogenide glass fibres. Presented at Fiber Lasers and Glass Photonics: Materials through Applications II, Online Only, France

Many important molecules show strong characteristic vibrational transitions in the mid-infrared (MIR) part of the electromagnetic spectrum. This leads to applications in spectroscopy, chemical and bio-molecular sensing, security and industry, especia... Read More about Mid-infrared sources for biomedical applications based on chalcogenide glass fibres.