Fabrication of imaging microstructured optical fibers
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(Published version)
Date
2019
Authors
Warren-Smith, S.
Dowler, A.
Ebendorff-Heidepriem, H.
Editors
Gannot, I.
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Conference paper
Citation
Progress in Biomedical Optics and Imaging - Proceedings of SPIE, 2019 / Gannot, I. (ed./s), vol.10872, pp.108720K-1-108720K-6
Statement of Responsibility
Stephen C. Warren-Smith, Alastair Dowler, Heike Ebendorff-Heidepriem
Conference Name
Optical Fibers and Sensors for Medical Diagnostics and Treatment Applications XIX (2 Feb 2019 - 7 Feb 2019 : San Francisco, USA)
Abstract
We demonstrate the fabrication of multi-core (imaging) microstructured optical fiber via soft-glass extrusion through a 3D printed die. The combination of 3D metal printing and extrusion allows for unprecedented control of the optical fiber geometry. We have exploited this to demonstrate a 100 pixel rectangular array imaging microstructured fiber. Due to the high refractive index of the glass used (n = 1.62), such a fiber can theoretically have a pixel pitch of less than 2 μm. This opens opportunities for ultra-small, high-resolution imaging fibers fabricated from diverse glass types.
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© 2019 SPIE