Room Temperature Masing using spin-defect centres

IMPERIAL COLLEGE OF SCIENCE, TECHNOLOGY AND MEDICINE; UCL BUSINESS PLC (2019) Room Temperature Masing using spin-defect centres. WO2019021002.

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Abstract

Apparatus for achieving masing at room temperature, the apparatus comprising: a microwave cavity which exhibits a resonance of sufficiently high Q-factor for maser oscillation; a resonator structure comprising a masing medium located within a resonant element, wherein the masing medium comprises spin-defect centres, the resonator structure being disposed within the microwave cavity; means for applying a magnetic field across the masing medium; an input of microwave radiation to be amplified, the input of microwave radiation being coupled to the resonator structure; and means for optically pumping the masing medium and thereby causing stimulated emission of microwave photons; wherein the microwave cavity has an effective magnetic mode volume matching the volume of the masing medium. A corresponding method for producing masing at room temperature is also provided.

Item Type:	Patent
Subjects:	H600 Electronic and Electrical Engineering
Department:	Faculties > Engineering and Environment > Mathematics, Physics and Electrical Engineering
Depositing User:	Paul Burns
Date Deposited:	25 Jul 2019 17:06
Last Modified:	25 Jul 2019 17:06
URI:	http://nrl.northumbria.ac.uk/id/eprint/40170

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