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. 2019 Jan 24;10(2):85. doi: 10.3390/mi10020085

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© 2019 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Electrothermal MEMS scanner-based OCT catheter. (a) A SEM image of the MEMS scanner. (b) The schematic 3D drawing of the probe design. A: 3D-printed probe head; B: C-lens collimators; C: the MEMS chips; D: FPCB. (c) A zoom-in picture showing the C-lens collimators and MEMS chips. (d) A back-view picture showing the flexible printed circuit boards (FPCBs) folded into the hollow hole. (e) A photo of the assembled probe (pictured with a Chinese Yuan coin). (f) Photograph of the OCT probe with laser beam scanning. Reproduced with permission from [41]; published by OSA, 2018.