Outputs (34)

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., …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.

Simulation of a Sensitive Mid-infrared (MIR) D-Shaped Optical Fiber Water Pollutant Sensor (2023)
Journal Article
Younis, B. M., Dawood, N. Y. M., Abd-Elkader, A. E., Furniss, D., Farries, M., Phang, S., …Obayya, S. S. A. (2023). Simulation of a Sensitive Mid-infrared (MIR) D-Shaped Optical Fiber Water Pollutant Sensor. Plasmonics, https://doi.org/10.1007/s11468-023-02110-6

In this work, an efficient optical sensor is proposed for the sensitive detection of various pollutants in water. The suggested optical sensor is based on an indium fluoride (InF3) glass fabricated as a D-shaped optical fiber. The polished surface of... Read More about Simulation of a Sensitive Mid-infrared (MIR) D-Shaped Optical Fiber Water Pollutant Sensor.

(INVITED) Mid-infrared photoluminescence in Ce 3+ doped selenide-chalcogenide glass and fiber (2023)
Journal Article
Nunes, J. J., Crane, R. W., Tang, Z., Sójka, Ł., Kalfagiannis, N., Furniss, D., …Seddon, A. B. (2023). (INVITED) Mid-infrared photoluminescence in Ce 3+ doped selenide-chalcogenide glass and fiber. Optical Materials, 137, Article 113543. https://doi.org/10.1016/j.optmat.2023.113543

We provide measurements to support our earlier report of continuous wave fiber lasing in a small core Ce 3+-doped selenide chalcogenide SIF (step index fiber) of core: Ge-As-Ga-Se chalcogenide glass, doped with 500 ppmw (parts-per-million by weight)... Read More about (INVITED) Mid-infrared photoluminescence in Ce 3+ doped selenide-chalcogenide glass and fiber.

Vibrational Biospectroscopy: An Alternative Approach to Endometrial Cancer Diagnosis and Screening (2022)
Journal Article
Schiemer, R., Furniss, D., Phang, S., Seddon, A. B., Atiomo, W., & Gajjar, K. B. (2022). Vibrational Biospectroscopy: An Alternative Approach to Endometrial Cancer Diagnosis and Screening. International Journal of Molecular Sciences, 23(9), Article 4859. https://doi.org/10.3390/ijms23094859

Endometrial cancer (EC) is the sixth most common cancer and the fourth leading cause of death among women worldwide. Early detection and treatment are associated with a favourable prognosis and reduction in mortality. Unlike other common cancers, how... Read More about Vibrational Biospectroscopy: An Alternative Approach to Endometrial Cancer Diagnosis and Screening.

Non-spectroscopic sensing enabled by an electro-optical reservoir computer (2022)
Journal Article
Anufriev, G., Furniss, D., Farries, M., & Phang, S. (2022). Non-spectroscopic sensing enabled by an electro-optical reservoir computer. Optical Materials Express, 12(5), 1767-1783. https://doi.org/10.1364/OME.449036

A fully bio-inspired apparatus to perform non-spectroscopic sensing to discriminate and determine the constituent concentrations of a chemical mixture is proposed. Here, fully bio-inspired means that it is comprised of a biomimetic sensor and a neuro... Read More about Non-spectroscopic sensing enabled by an electro-optical reservoir computer.

Bright Mid-Infrared (MIR) Photoluminescence Sources and their Application in Imaging and Sensing (2020)
Conference Proceeding
Furniss, D., Xiao, B., Seddon, A. B., Sujecki, S., Sojka, L., Tang, Z., …Benson, T. (2020). Bright Mid-Infrared (MIR) Photoluminescence Sources and their Application in Imaging and Sensing. . https://doi.org/10.1109/ICTON51198.2020.9203544

Mid-infrared (MIR) spectroscopy and imaging underpin many applications, ranging from industrial process monitoring to environmental analysis, and offer a new era in healthcare and clinical diagnostics. The spectral region from 1.5 to 12 μm is of inte... Read More about Bright Mid-Infrared (MIR) Photoluminescence Sources and their Application in Imaging and Sensing.

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.

Mid-infrared sources for biomedical applications based on chalcogenide glass fibres (2020)
Journal Article
Seddon, A. B., Sujecki, S., Sojka, L., Furniss, D., Tang, Z., Mabwa, D., …Benson, T. M. (2020). Mid-infrared sources for biomedical applications based on chalcogenide glass fibres. Proceedings of SPIE, 11357, Article 1135710. https://doi.org/10.1117/12.2568040

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.

High purity Ge-Sb-Se/S step index optical fibers (2019)
Journal Article
Parnell, H., Furniss, D., Tang, Z., Fang, Y., Benson, T., Canedy, C., …Seddon, A. (2019). High purity Ge-Sb-Se/S step index optical fibers. Optical Materials Express, 9(9), 3616-3626. https://doi.org/10.1364/OME.9.003616

Chalcogenide glasses are a promising group of materials for remote sensing applications. Two compositions from the Ge-Sb-Se/S system are investigated as core and cladding glasses in a step index fiber (SIF). Following thermomechanical and refractive... Read More about High purity Ge-Sb-Se/S step index optical fibers.

Experimental observation of gain in a resonantly pumped Pr3+-doped chalcogenide glass mid-infrared fibre amplifier notwithstanding the signal excited-state absorption (2019)
Journal Article
Shen, M., Furniss, D., Farries, M., Jayasuriya, D., Tang, Z., Sojka, L., …Seddon, A. B. (2019). Experimental observation of gain in a resonantly pumped Pr3+-doped chalcogenide glass mid-infrared fibre amplifier notwithstanding the signal excited-state absorption. Scientific Reports, 9, Article 11426. https://doi.org/10.1038/s41598-019-47432-w

We demonstrate a maximum gain of 4.6 dB at a signal wavelength of 5.28 μm in a 4.1 μm resonantly pumped Pr3+- doped selenide-based chalcogenide glass fibre amplifier of length 109 mm, as well as a new signal excited-stated absorption (ESA) at signal... Read More about Experimental observation of gain in a resonantly pumped Pr3+-doped chalcogenide glass mid-infrared fibre amplifier notwithstanding the signal excited-state absorption.