Optical fiber sensor
First Claim
Patent Images
1. A sensor including:
- a micro structured optical fiber (MOF) including a solid core for propagating light having an excitation wavelength;
an interaction region surrounding or part surrounding the solid core, the interaction region incorporating a fluorescent material for excitation by the propagated light to produce fluorescent light; and
an interface region located between the solid core and the interaction region;
wherein the solid core is adapted to increase a discontinuity in the electromagnetic field of the propagated light at the interface region, thereby enhancing the intensity of the propagated light at the interface region.
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Abstract
A sensor based on optical fiber technology is described. The sensor includes an elongate core for propagating light having an excitation wavelength; an interaction region that includes a fluorescent material for excitation by the propagated light to produce fluorescent light; and an interface region defining a boundary between the elongate core and the interaction region. The elongate core of the sensor is adapted to increase an intensity of the propagated light at the interface region to increase the amount of captured fluorescent light in the elongate core.
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Citations
30 Claims
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1. A sensor including:
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a micro structured optical fiber (MOF) including a solid core for propagating light having an excitation wavelength; an interaction region surrounding or part surrounding the solid core, the interaction region incorporating a fluorescent material for excitation by the propagated light to produce fluorescent light; and an interface region located between the solid core and the interaction region;
wherein the solid core is adapted to increase a discontinuity in the electromagnetic field of the propagated light at the interface region, thereby enhancing the intensity of the propagated light at the interface region. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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24. A method for sensing including:
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propagating light of an excitation wavelength down an solid core of a microstructured optical fibre (MOF) sensor, the sensor including an interaction region includes a fluorescent material; enhancing an intensity of the propagated light at an interface region relative to an intensity of the propagated light within the solid core by increasing a discontinuity in the electromagnetic field of the propagated light at the interface region, the interface region located between the solid core and the interaction region to thereby increase the amount of captured fluorescent light in the solid core. - View Dependent Claims (25, 26, 27, 28)
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29. A sensor including:
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a microstructured optical fiber (MOF) including a plurality of solid cores for propagating light having an excitation wavelength; a plurality of interaction regions surrounding or part surrounding a respective solid core and incorporating fluorescent material for excitation by the propagated light to produce fluorescent light; and corresponding interface regions located between each of the interaction regions and the respective solid cores, wherein a selection of the plurality of solid cores are adapted to increase a discontinuity in the electromagnetic field of the propagated light at the corresponding interface region, thereby enhancing the intensity of the propagated light at the corresponding interface region. - View Dependent Claims (30)
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Specification