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AssigneeInstitut National D'Optique
InventorsDaniel Cantin, Alain Cournoyer, Marc Levesque, Julie Frechette, Sylvain Plante
Estimating the term…
The present invention concerns an optical sensor located on the side of an optical fibre. An optical fibre having two opposite ends, a core and a cladding and at least one sensing area is disclosed. Each of the sensing areas is located between the two opposite ends and each has a longitudinal and radial portion of the fibre that has been removed and replaced by a sensing material. The luminescent light is thus representative of a parameter to be measured, such as temperature. Placing the sensing material in a side portion of the fibre increases the sensitivity of the sensor, particularly when it comes to temperature measurement in vivo.
An optical sensor comprising an optical fibre for conveying a light beam, said optical fibre being provided with a first end for receiving said light beam and a second end opposed thereto, a core and a cladding surrounding said core, and at least one claddingless portion having a longitudinal and a radial extent, each of said at least one claddingless portion defining a shaped cavity extending in said optical fibre between said two opposite ends, said optical sensor further comprising a sensing material extending in each of said cavities for forming a sensing area therein in contact relationship with said core.
An optical sensing system comprising:
Dependencies are inferred from the claim text.