1991 IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, No. 4

Front Matter

Announcement

1989 Outstanding Paper Award of the Ultrasonics, Ferroelectrics, and Frequency Control Society

Beam Steering with Pulsed Two-Dimensional Transducer Arrays
- Daniel H. Turnbull and F. Stuart Foster

A Surface-Acoustic-Wave Comb Spectrum Oscillator for Sensor Applications
- Ivan D. Avramov, and Zdravko G. Georgiev

Optical Information Storage and Charge Traps in PZT Thin Films
- Mark Ivey, Sylvia Mancha, and Robert Carter

Sampling Time Effects in the Act Device
- Edward G. Bogus, Michael J. Hoskins, and Bill J. Hunsinger

New Design for a High Performance Optically Pumped Cesium Beam Tube
- V. Giordano, A. Hamel, P. Petit, G. Theobald, N. Dimarcq, P. Cerez, and C. Audoin

Acceleration Sensitivity of Crystal Resonators Affected by the Mass and Location of Electrodes
- P. C. Y. Lee and X. Guo

Linear Frequency Tuning of SAW Resonators
- Michael M. Driscoll

Quantitative Results in Ultrasonic Tomography of Large Objects Using Line Sources and Curved Detector Arrays
- N. Sponheim, L. -J. Gelius, I. Johansen, and J. J. Stamnes

Wave Analysis of the Acoustic Material Signature for the Line Focus Microscope
- J. D. Achenbach, V. S. Ahn, and J. G. Harris

A New Technique to Study Transient Conductivity Under Pulsed Monochromatic Light in Cr-Doped GaAs Using Acoustoelectric Voltage Measurement
- M. Tabib-Azar

Book Review

End Matter