Plasmon resonance measuring method and apparatus

Polarimeters

Polarization rotation analyzer

Portable instrument to determine concentration of AFFF in fresh

Portable refractometer

Process and apparatus for filament or slit size monitoring

Process and apparatus for measuring optical density changes and

Process and apparatus for monitoring angular orientation

Process and apparatus for sensing defects on a smooth surface

Process and apparatus for sensing magnitude and direction of lat

Process and device for determining the refractive index of diffe

Programming methods and circuits for semiconductor memory...

Projection scope and positioning system

Reading device for a monochromator

Real time monitoring of medium parameters

Real-time on-line sensing and control of emulsions in...

Reflection type ellipsometer for measuring thin film phase diffe

Refraction sensor

Refractive index and flow rate detector and method

Refractive index based detector system for liquid...