Photonic crystal fiber sensor
AssigneeAgency for Science, Technology and Research
InventorsDinish Unnimadhava Kurup Soudamini Amma, Chit Yaw Fu, Malini Olivo, Kiat Seng Jason Soh
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Abstract
A method for sensing, a photonic crystal fiber, a method for fabricating a photonic crystal fiber sensor, and a Surface Enhanced Raman Scattering (SERS) sensing apparatus. The method for sensing comprises the steps of providing a photonic crystal fiber comprising a hollow core and a plurality of cladding holes around the hollow core; providing Surface Enhanced Raman Scattering (SERS) active nanoparticles; and adapting the SERS active nanoparticles and/or the fiber for SERS sensing.
Claims22
1-23. (canceled)
A method for sensing, the method comprising the steps of:
- providing a photonic crystal fiber comprising a hollow core and a plurality of cladding holes around the hollow core;
- providing Surface Enhanced Raman Scattering (SERS) active nanoparticles;
- and
- adapting the SERS active nanoparticles and/or the fiber for SERS sensing, wherein adapting the SERS active nanoparticles and/or the fiber for SERS sensing comprises controllably immobilising one or more layers of the SERS active nanoparticles on respective inner surfaces of the hollow core and cladding holes.
A photonic crystal fiber comprising:
- a hollow core;
- a plurality of cladding holes around the hollow core;
- and
- Surface Enhanced Raman Scattering (SERS) active nanoparticles disposed in the hollow core and the cladding holes;
- wherein the SERS active nanoparticles and/or the fiber are adapted for SERS sensing and wherein the SERS active nanoparticles and/or the fiber are adapted such that one or more layers of the SERS active nanoparticles are controllably immobilised on respective inner surfaces of the hollow core and the cladding holes.
A method for fabricating a photonic crystal fiber sensor, the method comprising disposing Surface Enhanced Raman Scattering (SERS) active nanoparticles in a hollow core and in a plurality of cladding holes around the hollow core of a photonic crystal fiber;
- wherein the SERS active nanoparticles and/or the fiber are adapted for SERS sensing and wherein the SERS active nanoparticles and/or the fiber are adapted such that one or more layers of the SERS active nanoparticles are controllably immobilised on respective inner surfaces of the hollow core and the cladding holes.
Dependencies are inferred from the claim text.