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