An optoacoustic system comprises an optoacoustic transducer including a first array of acoustic transducers and a second array of optical fibers; an acoustic subsystem for controllably exciting at least a first subset of the acoustic transducers to generate acoustic pulses with a prescribed pulse width,...http://www.google.se/patents/US5977538?utm_source=gb-gplus-sharePatent US5977538 - Optoacoustic imaging system
