Optical quadrature interferometry utilizing polarization to obta

Optical rate sensor

Optical rate sensor having modulated clockwise and counterclockw

Optical reflection methods and apparatus for aligning communicat

Optical resonance accelerometer

Optical ring resonator gyro using coherent light modulated by a

Optical ring resonator sensor

Optical rotation-sensing interferometer with (3.times.3)-(2.time

Optical sensing system

Optical sensor device and method for spectral analysis

Optical sensor for determining changes in a dimension and/or a t

Optical sensor for rotational movements having an optical runnin

Optical shutter assembly for trace element detector

Optical shutter for spectroscopy instrument

Optical signal noise reduction for fiber optic gyroscopses

Optical signal performance monitoring apparatus and method...

Optical source isolator with polarization maintaining optical fi

Optical spectral power monitors employing...

Optical spectrometer

Optical spectrometer for detecting spectra in separate ranges