Abstract

This paper presents the elements of the theory and the results of an analysis of the spatial distribution of the field characteristics in the neighborhood of the focus for an input pulse in the form of a harmonic vibration with a Gaussian envelope. The signal parameters are varied from an ultrashort to a quasi-monochromatic pulse. The evolution in time of the input pulse and the edge wave is demonstrated. It is shown that the field structure in the focal plane approaches that for a monochromatic wave when the effective number of vibrations is greater than 3–5.

© 2012 OSA

PDF Article

References

You do not have subscription access to this journal. Citation lists with outbound citation links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription