Add to ORKGAn air-coupled micromachined silicon electrostatic transducer has been used to detect ultrasound generated by a pulsed laser in metals and polymers. Bulk longitudinal and shear wave modes have been observed, as have Rayleigh waves in thick samples and Lamb waves in thinner plates. The results are in good agreement with surface displacement waveforms obtained using a contact capacitance device as a reference. The result is a flexible noncontact ultrasonic system with potential uses in materials characterization
The performance of a Q-switched Nd:YAG laser as an ultrasonic source in a single-crystal silicon sam...
We present measurements of high frequency ultrasound generated by a femtosecond laser pulse. Focusse...
To compliment non-contacting ultrasonic generation using lasers, it is ideal to have a remote, non-c...
A pulsed laser has been used to generate ultrasonic transients in samples of metal and fiber-reinfor...
A pulsed laser has been used to generate ultrasonic transients in samples of metal and fiber-reinfor...
We present our perspectives on using laser ultrasound, coupled with optical detection, to characteri...
In conventional ultrasonic nondestructive evaluation studies, piezoelectric transducers are used to ...
Micromachined capacitance transducers have been investigated in practical situations where air-coupl...
This paper will examine the principles and prospects for optically generated and detected ultrasound...
An overview is given about laser ultrasonics and its applications. For the effective excitation of u...
Laser generated ultrasound for nondestructive evaluation has an optical power density limit due to r...
Thick (>50 \u3bcm) piezoelectric films have been deposited directly on top of steel and aluminum sub...
Ultrasonics is being used as a nondestructive testing and evaluation (NDT&E) technique in many ...
In optically opaque solids broadband ultrasonic pulses can be generated by short laser pulses via th...
This paper describes an innovative non contact technique whereby the mechanical properties of a mate...
The performance of a Q-switched Nd:YAG laser as an ultrasonic source in a single-crystal silicon sam...
We present measurements of high frequency ultrasound generated by a femtosecond laser pulse. Focusse...
To compliment non-contacting ultrasonic generation using lasers, it is ideal to have a remote, non-c...
A pulsed laser has been used to generate ultrasonic transients in samples of metal and fiber-reinfor...
A pulsed laser has been used to generate ultrasonic transients in samples of metal and fiber-reinfor...
We present our perspectives on using laser ultrasound, coupled with optical detection, to characteri...
In conventional ultrasonic nondestructive evaluation studies, piezoelectric transducers are used to ...
Micromachined capacitance transducers have been investigated in practical situations where air-coupl...
This paper will examine the principles and prospects for optically generated and detected ultrasound...
An overview is given about laser ultrasonics and its applications. For the effective excitation of u...
Laser generated ultrasound for nondestructive evaluation has an optical power density limit due to r...
Thick (>50 \u3bcm) piezoelectric films have been deposited directly on top of steel and aluminum sub...
Ultrasonics is being used as a nondestructive testing and evaluation (NDT&E) technique in many ...
In optically opaque solids broadband ultrasonic pulses can be generated by short laser pulses via th...
This paper describes an innovative non contact technique whereby the mechanical properties of a mate...
The performance of a Q-switched Nd:YAG laser as an ultrasonic source in a single-crystal silicon sam...
We present measurements of high frequency ultrasound generated by a femtosecond laser pulse. Focusse...
To compliment non-contacting ultrasonic generation using lasers, it is ideal to have a remote, non-c...