Direct readout apparatus for measuring light transmitted...

Directional radiation detector

Disposable speculum

Dispositif d'analyse d'echantillons aux rayons x

Distance determining and automatic focusing apparatus with...

Distributed fiber optic sensor using clad material light...

Dosimeter for photometric applications

Dosimetric system for ionising radiation

Double quench circuit for an avalanche current device

Double-beam spectrometer

Downhole spectral analysis tool comprising an inorganic...

Dual beam radiometer for clear air turbulence measurement

Dual beam tunable spectrometer

Dual pulse single event raman spectroscopy

Dual spectra optical pyrometer having a serial array of...

Dynamic chemical imaging of biological cells and other subjects

Dynamic light scattering apparatus

Dyson-type imaging spectrometer having improved image...

Echelle spectrometer with a shaped oriented slit

Efficient optical arrangement for illumination and detection...