Optical low-coherence reflectometer using optical attenuation

Optical low-coherence reflectometry using optical amplification

Optical measurement of particle concentration

Optical measuring apparatus

Optical measuring apparatus

Optical measuring apparatus employing a laser

Optical measuring apparatus for measuring physichemical properti

Optical measuring apparatus using amplitude modulation of slipt

Optical measuring device

Optical measuring device

Optical measuring device for measuring the fat contents of milk

Optical method for determination of the total suspended...

Optical particle detector

Optical phase modulation instruments

Optical pickup apparatus having improved holographic optical ele

Optical position sensor using coherent detection and polarizatio

Optical pressure detection method and apparatus

Optical pressure/density measuring means

Optical probe

Optical profiler for films and substrates