Abstract: This study proposes a cost-effective laser ultrasonic transmitter for multipoint ultrasonic excitation using long-period fiber gratings (LPFGs) and a photoacoustic composite material ...

Due to the quick development of infrared laser technology, it is now widely used in different industries. Near-infrared lasers are commonly used in laser weapons, clinical surgery, precision machining ...

Introduction: Treatments for rheumatoid arthritis (RA) and osteoarthritis (OA) can reduce, modulate inflammation, and reduce deformities. Low-Level Laser Therapy is a biomodulator and may aid in the ...

Abstract: This study investigates the placement of correction filters in long-distance optical wireless power transmission. Simulation results show that installing the filter on the transmitter side ...

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