System and method for axially resolved light collection from a tapered waveguide

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United States of America Patent

PATENT NO 11696689
APP PUB NO 20200138296A1
SERIAL NO

16493938

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Abstract

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A system for optical spectroscopy through a probe implanted in a tissue is provided. The system includes a light collecting probe comprising a waveguide formed by a single optical fiber and having a proximal end and a distal end, the proximal end being formed with a taper along which at least one optical window is positioned, wherein light entering at an axial section of the taper generates a specific subset of guided modes defined by the diameter of the single optical fiber at the axial section, the guided modes propagating toward the distal end of the waveguide and generating an output at the distal end of the waveguide; a demultiplexer configured to receive outputs provided by the light collecting probe and discriminate the outputs based on their modal content of origin; and a detector configured to detect the discriminated outputs.

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Patent Owner(s)

  • FONDAZIONE ISTITUTO ITALIANO DI TECNOLOGIA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
De, Vittorio Massimo Lecce, IT 9 59
Pisanello, Ferruccio Lecce, IT 3 12
Pisanello, Marco Alliste, IT 2 9
Sabatini, Bernardo L Newton, US 2 1
Sileo, Leonardo Calimera, IT 3 20

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