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Related Experiment Video

Updated: May 18, 2026

A Silicon-tipped Fiber-optic Sensing Platform with High Resolution and Fast Response
09:03

A Silicon-tipped Fiber-optic Sensing Platform with High Resolution and Fast Response

Published on: January 7, 2019

All-in-fiber chemical sensing.

Alexander Gumennik1, Alexander M Stolyarov, Brent R Schell

  • 1Research Laboratory of Electronics, MIT, Cambridge, MA 02139, USA.

Advanced Materials (Deerfield Beach, Fla.)
|October 3, 2012
PubMed
Summary

A novel fiber-optic chemical sensor uses embedded photoconductive structures for direct light-to-electrical signal conversion. This innovative method enhances trace-level detection and enables remote, distributed photosensing applications.

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Area of Science:

  • Photonics
  • Chemical Sensing
  • Materials Science

Background:

  • Conventional fiber-optic sensors face challenges with signal collection efficiency and optical losses.
  • Trace-level chemical detection requires sensitive and robust sensing platforms.

Purpose of the Study:

  • To demonstrate a new all-in-fiber approach for trace-level chemical sensing.
  • To overcome limitations of traditional fiber-optic sensing methods.

Main Methods:

  • Embedding photoconductive structures directly into the fiber cladding along its entire length.
  • Capturing emitted light within the fiber's hollow core.
  • Transforming captured light directly into an electrical signal via localized transduction.

Main Results:

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Multicolor Fluorescence Detection for Droplet Microfluidics Using Optical Fibers

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Fiber Optic Distributed Sensors for High-resolution Temperature Field Mapping
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Fiber Optic Distributed Sensors for High-resolution Temperature Field Mapping

Published on: November 7, 2016

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Last Updated: May 18, 2026

A Silicon-tipped Fiber-optic Sensing Platform with High Resolution and Fast Response
09:03

A Silicon-tipped Fiber-optic Sensing Platform with High Resolution and Fast Response

Published on: January 7, 2019

Multicolor Fluorescence Detection for Droplet Microfluidics Using Optical Fibers
10:21

Multicolor Fluorescence Detection for Droplet Microfluidics Using Optical Fibers

Published on: May 5, 2016

Fiber Optic Distributed Sensors for High-resolution Temperature Field Mapping
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Fiber Optic Distributed Sensors for High-resolution Temperature Field Mapping

Published on: November 7, 2016

  • Successful demonstration of an all-in-fiber trace-level chemical sensing system.
  • Circumvention of signal collection inefficiencies and optical losses inherent in conventional fiber-optics.
  • Development of a platform for localized signal transduction.

Conclusions:

  • The developed approach offers a significant advancement in fiber-optic chemical sensing.
  • This technology enables new possibilities for remote and distributed photosensing.
  • The localized signal transduction enhances sensitivity and reliability for trace-level detection.