Mach-zehnder type interferometer

Magnetically insensitive fiber optic rotation sensor

Magneto-optic bias of ring laser using reflective magneto-optic

Magnification calibration apparatus and shape measuring system

Manual device for the detection of optical reflection properties

Material identification employing a grating spectrometer

Means and method for active dispersion equalization of a multios

Measurement instrument with interferometer and method

Measurement of fiber diameters with high precision

Measurement of nonlinear refractive index coefficient of optical

Measurement of rotation rate using sagnac effect

Measurement of rotation rate using Sagnac effect

Measurement of spectra

Measurement system using optical coherence shifting interferomet

Measurement system with separate optimized beam paths

Measuring apparatus for etching pits

Measuring apparatus having a diffraction grating for receiving a

Measuring apparatus of flying height of magnetic head

Measuring apparatus utilizing diffraction of reflected and trans

Measuring device for ingredient detection