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Infiltrated Photonic Crystal Fibers for Sensing Applications.

José Francisco Algorri1, Dimitrios C Zografopoulos2, Alberto Tapetado3

  • 1GDAF-UC3M, Displays and Photonics Applications Group, Electronic Technology Department, Carlos III University of Madrid, Leganés, 28911 Madrid, Spain. jalgorri@ing.uc3m.es.

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Summary

Photonic crystal fibers (PCFs) infiltrated with various materials offer unique properties for advanced applications. This review covers their fabrication, fundamentals, and sensor applications, highlighting commercialization challenges.

Keywords:
liquid crystalsoptical fiber sensorsoptofluidicsphotonic crystal fibersplasmonic sensors

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Area of Science:

  • Optics and Photonics
  • Materials Science

Background:

  • Photonic crystal fibers (PCFs) are optical fibers with periodic microstructured holes.
  • Their unique properties include high birefringence, nonlinearity, low losses, and controllable dispersion.

Purpose of the Study:

  • To review the fundamentals and fabrication of infiltrated PCFs.
  • To explore potential applications, particularly in sensing.
  • To identify challenges for commercialization.

Main Methods:

  • Review of existing literature on PCF fabrication and infiltration.
  • Discussion of material infiltration techniques for PCFs.
  • Analysis of sensor applications and performance.

Main Results:

  • Infiltrating PCF holes with solids, liquids, or gases unlocks new application opportunities.
  • Supercontinuum generation, atom propulsion, and enhanced sensing are key applications.
  • Infiltrated PCF sensors show significant potential for various measurement devices.

Conclusions:

  • Infiltrated PCFs represent a rapidly developing field with diverse applications.
  • Further research is needed to overcome challenges in scaling up and commercializing this technology.