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Related Experiment Video

Updated: Feb 23, 2026

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities

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Published on: November 30, 2012

Refractive Index Measurement within a Photonic Crystal Fibre Based on Short Wavelength Diffraction.

Cicero Martelli¹, John Canning², Martin Kristensen³

¹School of Chemistry & Optical Fibre Technology Centre, University of Sydney, 206 National Innovation Centre, ATP, Sydney, NSW 1430, Australia. c.martelli@oftc.usyd.edu.au.

Sensors (Basel, Switzerland)

|September 15, 2017

Summary

This summary is machine-generated.

This study demonstrates a new refractive index sensor using photonic crystal fibers to characterize materials. The sensor successfully measured the phase transition of water to ice 1h by determining its refractive index.

Keywords:

capillary diffraction gratings ice.microstructured fibres optical fibre sensors photonic crystal fibres

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Last Updated: Feb 23, 2026

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Published on: November 30, 2012

Fabrication of 1-D Photonic Crystal Cavity on a Nanofiber Using Femtosecond Laser-induced Ablation

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Published on: April 26, 2014

Area of Science:

Optics and Photonics
Materials Science
Physical Chemistry

Background:

Refractive index sensing is crucial for material characterization.
Photonic crystal fibers (PCFs) offer unique light-matter interaction properties.
Optical characterization of phase transitions requires precise refractive index measurements.

Purpose of the Study:

To demonstrate a novel refractive index sensor based on solid-core photonic crystal fibers.
To utilize coherent scattering for optical characterization of materials within PCF holes.
To characterize the liquid-to-solid phase transition of water into ice 1h.

Main Methods:

Fabrication and characterization of solid-core photonic crystal fibers.
Utilizing coherent scattering from the cladding lattice for optical analysis.
Measuring the refractive index of materials infiltrated into the fiber core.
Monitoring refractive index changes during the phase transition of water to ice.

Main Results:

Successful demonstration of a new class of refractive index sensors.
Effective optical characterization of infiltrated materials via coherent scattering.
Precise determination of the refractive index change during water freezing to ice 1h.

Conclusions:

Solid-core photonic crystal fibers provide a viable platform for refractive index sensing.
Coherent scattering is a powerful technique for in-situ material characterization.
This sensor technology can monitor phase transitions, such as water to ice.