Ultraminiature tactical grade cryogenic RFOG
Ultrasensitive interferometer suitable for detecting gravitation
Ultrasensitive spectrophotometer
Ultrasensitive spectrophotometer
Ultrashort pulsewidth laser ranging system employing a time gate
Ultrasonic generator and detector using an optical mask...
Ultrasonic generator and detector using an optical mask...
Ultrasonic sensor using short coherence length optical source, a
Ultrasonic transducer calibration
Ultrasonic vibration detection using frequency matching
Ultrasonic-based material analysis using an annular impulse beam
Ultrasonically assisted optical media sensor system
Ultrasound single-element non-contacting inspection system
Ultraviolet light reflectance method for evaluating the surface
Ultraviolet radiation dosimeter
Unbalanced fiber optic Michelson interferometer as an...
Uncaging device
Uncaging devices
Uncorrelated michelson interferometer
Undersea ranging-communications from altitude via laser