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17 March 2023 All-reflective tethered capsule endoscope for multimodal esophageal imaging
Xavier Attendu, Paul R. Bloemen, Niels H. Kind, Dirk J. Faber, Daniel M. de Bruin, Caroline Boudoux, Ton G. van Leeuwen
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Proceedings Volume PC12356, Endoscopic Microscopy XVIII; PC123560H (2023) https://doi.org/10.1117/12.2650005
Event: SPIE BiOS, 2023, San Francisco, California, United States
Abstract
We demonstrate a tethered capsule endoscope (TCE), which uses double-clad fiber and reflective optics for multimodal imaging in the esophagus without undesirable chromatic effects, such as focal shifts or back-reflections. We use a single, custom ellipsoidal mirror to focus the light from the fiber tip onto the sample. We describe the mechanical and optical designs and the fabrication and assembly protocols necessary for optimal performance. We demonstrate the implementation of the capsule by performing combined optical coherence tomography and spectral imaging in ex-vivo esophagus.
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Xavier Attendu, Paul R. Bloemen, Niels H. Kind, Dirk J. Faber, Daniel M. de Bruin, Caroline Boudoux, and Ton G. van Leeuwen "All-reflective tethered capsule endoscope for multimodal esophageal imaging", Proc. SPIE PC12356, Endoscopic Microscopy XVIII, PC123560H (17 March 2023); https://doi.org/10.1117/12.2650005
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KEYWORDS
Endoscopes
Multimodal imaging
Optical coherence tomography
Mirrors
Reflectivity
Imaging spectroscopy
Laser marking
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