Pulse coded optical attenuation meter

Pulse finding apparatus and method

Pulse-by-pulse cavity ring-down spectroscopy

Pulsed laser linescanner for a backscatter absorption gas...

Quality evaluation method and apparatus for non-bran rice

Quantitative analysis of biological materials and photogrtaphic

Quartz-enhanced photoacoustic spectroscopy

Radial and azmuthal non-resonant open-tubular optoacoustic cell

Radiation probe with flexible sleeve

Radiographic imaging system quality monitor

Rate measurement analyzer

Ratiometric fluorometer

Reduction of residual amplitude modulation in...

Reference laser beam sampling apparatus

Remote gas detection apparatus having a microlaser

Remote leak detection sensing method and device

Resonant optoacoustic spectroscopy apparatus

Resonant subcavity differential spectrophone

Reverse photoacoustic standoff spectroscopy

Ring resonant cavities for spectroscopy