Light-emitting intra-cavity interferometric sensors

摘要

Light-emitting intra-cavity interferometric (ICI) optical sensors based on channel waveguide structures which include an internal light emitting material and a functionalized region. In some embodiments, the waveguides are made of a sol-gel which incorporates the light emitting material. In some embodiments, the waveguide structure includes an ICI resonator backbone and the ICI sensor is a laser sensor. In some embodiments, the resonator backbone has an interferometric Y-branch shape. In some embodiments, the resonator backbone has a Mach Zehnder interferometer shape. In some embodiments, an ICI laser sensor has an interferometric arrayed waveguide grating shape. In some embodiments, an ICI sensor may be remotely optically pumped and remotely read.

主权项

1. A device for sensing an entity comprising an intra-cavity interferometric waveguide sensor which includes:
an imbalanced Y-branch channel waveguide structure having:
two unequal waveguide branches for interacting with the entity,an active medium capable of generating light emitted from the sensor, and wherein the emitted light undergoes a parameter change upon interaction of at least one of the waveguide branches with the entity.