Patent ID: 6347005
Filing Date: 2002-02-12
Classification: G01R

Abstract:
An electro-optic sampling probe for observing a waveform of a test signal based on the change of the polarization state of a light pulse caused when the light pulse generated by a timing signal is entered into an electro-optic crystal that is coupled with an electric field generated by the test signal, the electro-optic sampling probe comprising:an electro-optic crystal to receive the light pulse, said crystal having an optical axis and having a stopper portion at an upper portion thereof; an electro-optic crystal supporting portion for supporting said electro-optic crystal by said stopper portion and capable of moving said electro-optic crystal vertically in the direction of said electro-optic crystal optical axis; an electro-optic crystal driving portion having a linear base extending in the direction of said electro-optic crystal optical axis and a linear sliding board, to which said electro-optic crystal supporting portion is attached and which slides on said base to carry said supporting portion for rectilinearly moving said electro-optic crystal along the direction of said optical axis.