Differential refractometer

Differential refractometer

Digitally settable selective control for speed of wavelength sca

Dispersion determining method and apparatus

Dispersion measurement in optical networks

Dispersion prism for separation of wavelengths of spectrally ric

Dispersion-map measurements of optical fibers

Distance correction method and the controller for the reflectome

Distortion measuring apparatus and distortion measuring...

Distortion measuring device, method, program, and recording...

Distortion measuring device, method, program, and recording...

Distributed backscattering

Distributed fiber optic laser ultrasonic system

Divergent light optical systems for liquid chromatography

Dual analysis probe

Dual beam alignment device and method

Dual function readhead for a reflectance instrument

Dual reading head transmission/reflection densitometer