Fiber optic probe with a magneto-optic film on an end surface fo

Details Fiber optic probe with a magneto-optic film on an end surface fo Fiber optic probe with a magneto-optic film on an end surface fo

1992-10-30

1995-09-19

Nguyen, Vinh P.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Using radiant energy

324750, 324752, G01R 1900, G01R 3100

Patent

active

054518636

ABSTRACT:
An apparatus and method for measuring the current distribution in an integrated circuit with high time resolution is described incorporating a magneto-optic film, a linearly polarized light beam and a means for measuring the magneto-optic polarization rotation of a light beam and circuitry for synchronizing test pulses in an integrated circuit. The invention overcomes the problem of determining current distribution as a function of time and location in an integrated circuit with 1 psec time resolution and 1 micrometer spatial resolution.

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