The instantaneous transient Kerr lens in a transparent material offers a simple and efficient method to measure the spectrogram of a white light continuum. Even if the kernel of the spectrogram is not known very well, the instantaneous frequency may be extracted with high accuracy. It is shown that the knowledge of the phase modulation of a white light continuum simplifies the design of the prism compressors in a NOPA system. It also makes cross-correlation measurements at different frequencies in white light pump probe experiments obsolete.
OPTOELECTRONIC SYSTEMS FOR RADIOSIGNALS INSTANTANEOUS FREQUENCY MEASURING WITH AN AMPLITUDE-PHASE MODULATION CONVERSION OF OPTICAL CARRIER