Design and construction of a microwave magnetization/demagnetization system for geomagnetic paleointensity determination

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A prototype microwave magnetization/demagnetization system have been designed and constructed for an application of the microwave LTD-DHT Shaw method. The system use 17.3-18.1 GHz microwaves. The most important component of the system is a resonant cavity and it is tested with and without a rock sample. Sharp microwave absorption is recognized for the test without the sample, whereas a dull absorption is observed for the test with the sample. Towards the practical use of the system, sample size should be reduced.