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US 12,730,162 B2Granted
Ring resonator magnetometer with absorbent material
AssigneeHoneywell Aerospace US LLC
InventorNeal Eldrich Solmeyer
Life of this patent
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Abstract
Various embodiments are directed to, but not limited to, a magnetometer comprising a ring resonator and an absorbent material disposed in the ring resonator. The absorbent material is configured to absorb pump light propagating in the ring resonator when excited. By absorbing the pump light, the intensity of the output probe light from the ring resonator decreases, which is utilized to determine one or more characteristics of an external magnetic field.
Claims19
A system, comprising:
- a probe light source configured to generate probe light;
- a pump light source configured to generate pump light;
- a ring resonator optically coupled to the probe light source and the pump light source, wherein the ring resonator comprises:
- a plurality of reflecting elements, and
- an absorbent material;
- and
- at least one detector coupled to an output of the ring resonator, wherein the at least one detector is configured to receive output light from the output of the ring resonator,
- wherein the pump light is configured to propagate in the ring resonator at a first intensity and the probe light is configured to propagate in the ring resonator at a second intensity,
- wherein the absorbent material, in response to optical contact from the pump light at an excitation frequency of the absorbent material, absorbs the probe light propagating in the ring resonator,
- wherein the second intensity of the probe light changes in response to absorption of the probe light propagating in the ring resonator by the absorbent material,
- wherein the at least one detector is configured to detect an intensity change of the output light corresponding to absorption of the probe light.
8 more elements
An optical circuit, comprising:
- a probe light source configured to generate probe light;
- a pump light source configured to generate pump light;
- a ring resonator optically coupled to the probe light source and the pump light source, wherein the ring resonator comprises:
- at least one reflecting element, and
- an absorbent material;
- and
- at least one detector coupled to an output of the ring resonator, wherein the at least one detector is configured to receive output light from the output of the ring resonator,
- wherein the pump light is configured to propagate in the ring resonator at a first intensity and the probe light is configured to propagate in the ring resonator at a second intensity,
- wherein the absorbent material, in response to optical contact from the pump light at an excitation frequency of the absorbent material, absorbs the probe light propagating in the ring resonator,
- wherein the second intensity of the probe light changes in response to absorption of the probe light propagating in the ring resonator by the absorbent material,
- wherein the at least one detector is configured to detect an intensity change of the output light corresponding to absorption of the probe light.
8 more elements
Dependencies are inferred from the claim text.