1. Fiber optic acoustic sensor based on the Sagnac interferometer;Udd,1983
2. Optical Acoustic Sensor;Cahill,1983
3. Fiber optic systems for aerospace applications;Udd,1988
4. Fiber Optic Sensor;Udd,1988
5. Derivative Fiber Sensors Based on the Phase Nulling Optical Gyro;Michael,1986