Laser Filamentation by Andre D. Bandrauk Emmanuel Lorin & Jerome V. Moloney

Author:Andre D. Bandrauk, Emmanuel Lorin & Jerome V. Moloney
Language: eng
Format: epub
Publisher: Springer International Publishing, Cham

4.3 Polarization Dependence on CEP

Our experiment also indicates that the polarization direction of generated waves can be controlled by adjusting the CEP of the driving laser pulses. Measurement results of emission versus the angle of polarizer and the CEP of driving laser pulses are shown in Fig. 10a. It is indicated the polarization plane of generated waves rotates following the CEP variation while the ellipticity and intensity of the waves remains the same. Simulation results are shown in Fig. 10b, because the direction of the maximum laser field vector of the circularly polarized few-cycle laser pulses rotates with the variation of CEP, the polarization plane of generated waves rotates following the CEP variation with a constant amplitude field, and the major axis of the ellipse is rotating right-handed/left-handed as we increase/decrease the CEP. On the other hand, the CEP of few-cycle laser pulses can be determined by measuring the polarization of generated waves [22], which provides a convenient method for CEP measurement without using sophisticated devices.

Fig. 10The experimental (a) and simulation (b) results of polarization rotating with the CEP of driving laser pulses [55]

Download

Copyright Disclaimer:
This site does not store any files on its server. We only index and link to content provided by other sites. Please contact the content providers to delete copyright contents if any and email us, we'll remove relevant links or contents immediately.