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13 March 2024 Mid-IR supercontinuum generation in high numerical aperture chalcogenide fibers for environmental monitoring
Richard Crane, Ole Bang, Jakob Janting, Getinet T. Woyessa, Christian R. Petersen
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Proceedings Volume PC12835, Optical Fibers and Sensors for Medical Diagnostics, Treatment, and Environmental Applications XXIV; PC128350G (2024) https://doi.org/10.1117/12.3000499
Event: SPIE BiOS, 2024, San Francisco, California, United States
Abstract
The mid-IR wavelength range, and the fundamental vibrational absorption fingerprint region it encompasses, can be utilised for a variety of environmental and medical monitoring applications requiring the detection of specific covalently bonded molecules, for example, in atmosphere or in a patient’s breath. Mid-IR transmitting chalcogenide fibres, based on the elements: sulfur, selenium, and tellurium, have a characteristically high optical non-linearity and thus can be tailored to also generate mid-IR supercontinuum light that covers this fingerprint region. The process of designing, fabricating, and characterising chalcogenide glass fibres via differential scanning calorimetry, microscopy, ellipsometry, and optical fibre loss measurements is detailed.
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(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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Richard Crane, Ole Bang, Jakob Janting, Getinet T. Woyessa, and Christian R. Petersen "Mid-IR supercontinuum generation in high numerical aperture chalcogenide fibers for environmental monitoring", Proc. SPIE PC12835, Optical Fibers and Sensors for Medical Diagnostics, Treatment, and Environmental Applications XXIV, PC128350G (13 March 2024); https://doi.org/10.1117/12.3000499
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KEYWORDS
Mid-IR
Supercontinuum generation
Environmental monitoring
Chalcogenides
Glasses
Step index fibers
Chalcogenide glass
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