Reduced invasiveness of noncontact electrooptic probes in millimeter-wave optoelectronic characterization

Abstract
We report time-resolved measurements of the invasiveness of LiTaO3 external probes in millimeter-wave electrooptic sampling. Using external probe tips at varying distances from a coplanar stripline, we show that invasiveness can be reduced in a noncontact configuration at the expense of measurement sensitivity. In the contact configuration, the risetime can be significantly lengthened by dispersion and signal reflection caused by the probe tip.

This publication has 7 references indexed in Scilit: