We report the first interferometric characterization of freely propagating, subpicosecond, far-infrared (FIR) light pulses. FIR light was generated via short pulse photoexcitation of a semi-insulating InP wafer. The half width of the intensity interferogram was 230 fs. The FIR light contained frequency components from 3 to 150 cm-1.
All Science Journal Classification (ASJC) codes
- Physics and Astronomy (miscellaneous)