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Fiber-optic refractive index (RI) sensors have the advantages of low cost, simple optical setup, remote sensing, and simple fabrication. A cone-based round structure, which is the combined structure ...

Members have early access to Walmart's big Prime Day-competing sale, but that's not the main reason why you should sign up.

Aiming at the contact operation problem of the mechanical switch button of the kitchen garbage crusher, a non-contact low-power gesture proximity switch is proposed in this paper. The realization ...