Fiber-optic gyroscope with reduced bias drift error caused by op

Fiber-optic rotation rate sensor having dual interferometer loop

Fiber-optic rotation sensor

Fiberoptic displacement sensor using interferometric techniques

Fibre optic gyroscope with nulling feedback control loop

Fibre optic gyroscope with temperature compensation

Fibre optic measuring device, rate gyro, stabilization system an

Field multiplexed dispersive imaging spectrometer

Film measurement system with improved calibration

Film thickness measurement apparatus with tilting stage and meth

Film thickness measuring apparatus, film thickness measuring met

Film thickness measuring method and apparatus

Filter

Fine clearance measuring apparatus

Fixed interval background auto-alignment for closed loop interfe

Fizeau interference measuring method and apparatus therefor

Fizeau interferometer

Flange-supported sensor coil for a fiber optic gyroscope

Flash optical performance monitor

Flash optical performance monitor