Chinese Optics Letters, Vol. 2, Issue 8, 08435 (2004)
Correction of dispersion distortion of femtosecond pulses by using the non-planar surface of diffractive optical elements
I. V. Mininand O. V. Minin*
- Novosibirsk State Technical University, Novosibirsk, Russia
Peculiarities of propagation of femtosecond pulses through a focusing diffractive optical element (DOE) are considered. It is shown that the time delay between the pulse and phase wavefronts can be decreased by fabricating the DOE on the optimal curvilinear surface.