Photoacoustic Generation: Optical Fiber Ultrasonic Sources for Non Destructive Evaluation and Clinical Diagnosis
1997 年 4 巻 4 号 p. 481-483
詳細
1997 年 4 巻 4 号 p. 481-483
An innovative photoacoustic source for ultrasonic non destructive evaluation (NDE) and clinical diagnosis is proposed. The working principle is based on thermal conversion of laser pulses into a metallic film evaporated directly onto the tip of an optical fiber. Attractive advantages of the proposed transducer are high frequency, large bandwidth and good efficiency.
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