Direct readout apparatus for measuring light transmitted through
Double beam photometer for measuring fluid samples
Double multichromatic photometer with a single light-source and
Double path microdrop optical biometric system
Downhole fluorescence detection apparatus
Dual beam photometer with rotating filter plate
Dual emission microscope
Dual wavelength photometric device
Dual-band sensor system utilizing a wavelength-selective...
Dual-wavelength absorption detector adapted for continuous-flow
Dye detection method and apparatus
Dynamic plasmonics-enabled signal enhancement, a device...