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9 March 2023 3D micro-printing of miniaturized fiber-optic probes capable of multi-modal imaging and beam tailoring
Jiawen Li, Simon Thiele, Paul Ruchka, Andrea Toulouse, Rodney Kirk, Bryden Quirk, Ayla Hoogendoorn, Yungchin Chen, Karlheinz Peter, Stephen Nicholls, Johan Verjans, Peter Psaltis, Christina Bursill, Alois Herkommer, Harald Giessen, Robert McLaughlin
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Proceedings Volume PC12367, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XXVII; PC1236703 (2023) https://doi.org/10.1117/12.2652181
Event: SPIE BiOS, 2023, San Francisco, California, United States
Abstract
3D micro-printing enables the formation of complex shapes at a print resolution of tens of nanometers using two-photon lithography. Our team have explored the use of 3D micro-printing to fabricate complex optical geometries directly on the end of a fiber. In this work, we have developed a lens-in-lens design that enables in-vivo high-sensitivity fluorescence and OCT imaging through a single-fiber-based probe, with a diameter <550 microns including a protective catheter sheath. In a parallel work, we have also fabricated a side-facing OCT fiber probe (<300 microns diameter) creating an elongated Bessel beam and simultaneously correct for aberrations.
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Jiawen Li, Simon Thiele, Paul Ruchka, Andrea Toulouse, Rodney Kirk, Bryden Quirk, Ayla Hoogendoorn, Yungchin Chen, Karlheinz Peter, Stephen Nicholls, Johan Verjans, Peter Psaltis, Christina Bursill, Alois Herkommer, Harald Giessen, and Robert McLaughlin "3D micro-printing of miniaturized fiber-optic probes capable of multi-modal imaging and beam tailoring", Proc. SPIE PC12367, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XXVII, PC1236703 (9 March 2023); https://doi.org/10.1117/12.2652181
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KEYWORDS
3D image processing
Fiber optics
Multimodal imaging
Endoscopy
Freeform optics
Optical coherence tomography
Micro optics
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