Hollow-core waveguide-based raman systems and methods
View Patent ↗Embodiments of the invention include a system for sensing homonuclear diatomic molecules, such as, for example, nitrogen. Other embodiments include a method for sensing homonuclear diatomic molecules. The system may include a light source, a hollow-core wave-guiding device that exhibits a low attenuation at predetermined operating optical frequencies and is in optical communication with the light source, a gas introduction system for introducing a gaseous medium between the light source and the hollow-core wave-guiding device, and a detector in optical communication with the hollow-core wave-guiding device.
1. A method for sensing homonuclear diatomic molecules, comprising:
transmitting light from a light source through a hollow-core wave-guiding device that exhibits a low attenuation at predetermined operating optical frequencies;
introducing a gaseous medium between the light source and the hollow-core wave-guiding device; and
detecting homonuclear diatomic molecules within the gas.
2. The method of claim 1 , wherein said transmitting light comprises transmitting light through a photonic crystal fiber.
3. The method of claim 1 , wherein the homonuclear diatomic molecules comprise nitrogen.
4. A method of detecting comprising:
transmitting light from a light source through a hollow-core wave-guiding device;
introducing a material between the light source and the hollow-core wave-guiding device; and
detecting a homonuclear diatomic molecule within the material.
5. The method of claim 4 , wherein the material comprises one of a flowing liquid, a gaseous medium, and a fluidic medium.
6. The method of claim 4 , wherein the material comprises natural gas.
7. The method of claim 4 , wherein the homonuclear diatomic molecule comprises nitrogen.
8. The method of claim 4 , wherein the hollow-core wave-guiding device comprises a photonic crystal fiber.
9. The method of claim 4 , wherein the hollow-core wave-guiding device exhibits a low attenuation at predetermined operating optical frequencies.
10. The method of claim 4 , wherein the material comprises air.