This letter describes a robust voice activity detector using an ultrasonic Doppler sonar device. An ultrasonic beam is incident on the talker's face. Facial movements result in Doppler frequency ...

The smart water controller for metro water supply lines described in this work makes use of a relay, an ultrasonic sensor, a flow sensor, a solenoid valve, GPS, and GSM. The planned system is intended ...

Coherent also introduced a major enhancement to its popular PM10K+ sensor—a backscatter shield that dramatically improves measurement accuracy and safety. The shield reduces reflected laser energy ...

SAXONBURG, Pa., June 16, 2025 (GLOBE NEWSWIRE) -- Coherent Corp. (NYSE: COHR), a global leader in photonics, today announced the expansion of its industry-leading PowerMax™ sensor portfolio with two ...

The PM15K+ sensor is designed to measure continuous laser power up to 15 kW, with the capability to handle intermittent power up to 20 kW. Featuring a large 100 mm x 100 mm active area, it ...

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