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27 February 2019 Multimode-interference-based spatio-spectral encoder for scanner-free endoscopic imaging
Y. Takizawa, T. Katagiri, Y. Matsuura
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Proceedings Volume 10872, Optical Fibers and Sensors for Medical Diagnostics and Treatment Applications XIX; 1087213 (2019) https://doi.org/10.1117/12.2512421
Event: SPIE BiOS, 2019, San Francisco, California, United States
Abstract
We proposed a multimode-interference-based spatio-spectral encoder for scanner-free single-fiber fluorescence imaging. Since the fluorescence spectrum measured via the SSE is modulated by multimode interference, it shows a specific shape corresponding to the position. By encoding the collected light from every imaged pixel, the two-dimensional fluorescence image is reconstructed from a single measured spectrum. SSE is fabricated by splicing a short multimode fiber to the tip of a single mode fiber. Imaging of two-dimensional objects using fabricated SSE is demonstrated.
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Y. Takizawa, T. Katagiri, and Y. Matsuura "Multimode-interference-based spatio-spectral encoder for scanner-free endoscopic imaging", Proc. SPIE 10872, Optical Fibers and Sensors for Medical Diagnostics and Treatment Applications XIX, 1087213 (27 February 2019); https://doi.org/10.1117/12.2512421
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KEYWORDS
Light sources
Endoscopes
Endoscopy
Multimode fibers
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