Multi channels fiber optic reflex probes for fluorescent and UV-VIS-NIR spectroscopy based on novel types of multimode fiber optics bundles

G. Danielyan; I. Shilov; A. A. Zamyatin; L. Y. Kochmarev; A. Makovetskii; S. Savosin

doi:10.1117/12.2526606

22 July 2019 Multi channels fiber optic reflex probes for fluorescent and UV-VIS-NIR spectroscopy based on novel types of multimode fiber optics bundles

G. Danielyan, I. Shilov, A. A. Zamyatin, L. Y. Kochmarev, A. Makovetskii, S. Savosin

Author Affiliations +

Proceedings Volume 11075, Novel Biophotonics Techniques and Applications V; 1107515 (2019) https://doi.org/10.1117/12.2526606
Event: European Conferences on Biomedical Optics, 2019, Munich, Germany

Abstract

Multichannel Fiber Optic Probes (MFOP) is new type of accessories’ which can be used for Modern Biophotonics Techniques, based on: UV-VIS- NIR spectroscopy, fluorescent spectroscopy. New simulations program MFOBv.3 for MFOP allow to specify basic reflex light optic value I0 as a function of distance Z[μm] have been developed. MFOBv.3 make possible quick selection and optimization of the probe fiber bundle structure and fibers specification. Designed Reflex probe for endoscopy spectral evaluations include new type of fibers. Fibers with core surrounded by hollow circular guide provide necessary wide numerical aperture. Multimode metal coated fibers used in MFOP for tumor diagnostic in surgery. Symbioses of Microtechnology and new types of fiberoptic allow made smallest Reflex probe 7+1 fibers structure (OD=0.6mm). Designed sensitive electronic system with 405nm/50mW laser synchronized with fluorescent signals measurement device. For tumor diagnostic during stomach surgery created high sensitive endoscopic fiber multichannel probe for special photosensitizer with excitation wavelength 405 nm. Reflex probe provide sensitivity small than 10 microgram photosensitizer for 1 kg biomass. Experimental results for bio liquids and for tissue with laser induced fluorescence diagnostic extended in poster/report.

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G. Danielyan, I. Shilov, A. A. Zamyatin, L. Y. Kochmarev, A. Makovetskii, and S. Savosin "Multi channels fiber optic reflex probes for fluorescent and UV-VIS-NIR spectroscopy based on novel types of multimode fiber optics bundles", Proc. SPIE 11075, Novel Biophotonics Techniques and Applications V, 1107515 (22 July 2019); https://doi.org/10.1117/12.2526606

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