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27 February 2019 Fabrication of imaging microstructured optical fibers
Stephen C. Warren-Smith, Alastair Dowler, Heike Ebendorff-Heidepriem
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Proceedings Volume 10872, Optical Fibers and Sensors for Medical Diagnostics and Treatment Applications XIX; 108720K (2019) https://doi.org/10.1117/12.2507673
Event: SPIE BiOS, 2019, San Francisco, California, United States
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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Stephen C. Warren-Smith, Alastair Dowler, and Heike Ebendorff-Heidepriem "Fabrication of imaging microstructured optical fibers", Proc. SPIE 10872, Optical Fibers and Sensors for Medical Diagnostics and Treatment Applications XIX, 108720K (27 February 2019); https://doi.org/10.1117/12.2507673
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KEYWORDS
Glasses
Structured optical fibers
Optical imaging
Optical fibers
3D printing
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