Patent ID: 6507014
Filing Date: 2003-01-14
Classification: G01R

Abstract:
An electro-optic probe for an electro-optic sampling oscilloscope comprising:a laser diode for emitting a modulating laser light according to control signals generated in a main body of said electro-optic sampling oscilloscope; a first lens for converting the modulating laser light to a parallel beam; a second lens for focusing said parallel beam; an opto-electronic channel having a reflection film at a reflection-end; isolator means disposed between said first lens and said second lens for transmitting said modulating laser light and separating a reflected beam produced at said reflection film into signal beams; and photo-diodes for converting optical energies of said signal beams separated by said isolator means into respective electrical signals, wherein; said photo-diodes are disposed in a longitudinal direction of a probe casing, and said signal beams separated by said isolator means are arranged to be parallel to said laser light emitted from said laser diode and to be apart from each other by a predetermined angle around said laser light.