Comparison reader for holographic identification cards

Concave-convex surface inspection apparatus

Confocal laser scanning mode interference contrast microscope, a

Confocal laser scanning transmission microscope

Conically scanned holographic lidar telescope

Constructing a waveform from multiple threshold samples

Continuously monitoring ratiometer

Control means and method for optical inspection system

Control system for alloy tester

Coordinate measurement instrument

Correlation based optical ranging and proximity detector

Correlation phase difference type focus detecting interpolation

Coupling device for forming optically efficient end-to-end optic

Covert optical system for probing and inhibiting remote targets

Crystalline colloidal narrow band radiation filter

Crystalline colloidal narrow band radiation filter

Curved tunable Fabry-Perot filter

Cuvette positioning device for optical analytical apparatus