Optical pin apparatus for measuring the arrival time and velocit

Optical resonator single-mode fiber hydrophone

Optical seismic detector

Optical seismic transducer

Optical sensor

Optical system for detecting acoustic wave energy in a fluid med

Optical transducer and method of use

Optimizing the compressional wave energy response of an elastic

Oscillating orbital vibrator

Outboard-driven flextensional transducer

Parachute array

Particle motion vector measurement in a towed, marine...

Passive long range acoustic sensor

Passive optical detection of underwater sound

Permanent magnet biased magnetostrictive transducer

Phased array Doppler sonar transducer

Phased array ultrosonic transducer including different sized phe

Phased beam transducer

Phased-array ultrasonic surface contour mapping system and metho

Photo-acoustic detector