1 / 46

Adaptive pulse shaping

Adaptive pulse shaping. Femtosecond pulse shaping. Evolutionary algorithm. Applications of adaptive pulse shaping. high harmonic generation. Objective: Control HHG. (I.). atoms/molecules/ clusters/droplets. shaped. (II.). atoms. soft x-ray detector. fs-laser pulse. Three-step model.

oksana
Download Presentation

Adaptive pulse shaping

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Adaptive pulse shaping

  2. Femtosecond pulse shaping

  3. Evolutionary algorithm

  4. Applications of adaptive pulse shaping

  5. high harmonic generation

  6. Objective: Control HHG (I.) atoms/molecules/ clusters/droplets shaped (II.) atoms soft x-ray detector fs-laser pulse

  7. Three-step model P. Corkum, Phys. Rev. Lett. 71, 1994 (1993)

  8. Harmonic generation geometry Atomic/ molecular jet XUV- detector fs-laser pulse capillary A. Rundquist et al. Science 280, 1412 (1998)

  9. Experimental setup

  10. Harmonic enhancement fitness: ~ ~ green2 red fittest pulse shape average fitness unshaped pulse / reference signal 25 23 27 27 25 23 efficiency: 106 photons/pulse in a single harmonic!

  11. selective enhancement of HHG

  12. Phase-matching experiment vacuum propagation material dispersion plasma dispersion waveguide dispersion A. Rundquist et al. Science 280, 1412 (1998) wavelength [nm] simulation

  13. Selective Control of HHG

  14. High-harmonic generation Atomic/ molecular jet XUV- detector shaped fs-laser pulse capillary A. Rundquist et al. Science 280, 1412 (1998)

  15. generation geometry jet vs. capillary B A B B A B Fitness: F = A / B control not only governed by the single atom response

  16. Summary Selective Enhancement Comprehensive Control Control beyond theatomic dipole phase Attosecond Quantum Control

More Related