レーザー、光学、フォトニクスのジャーナル

Unambiguous ultra-short pulse reconstruction from double spectrograms alone - Birger Seifert - Millennium Institute for Research in Optics

Abstract

Birger Seifert

In this work a completely logical ultra-short beat recreation procedure which can be utilized to portray two distinctive super short beats of various focus frequencies and otherworldly ranges is introduced. The proposed non-interferometry spectrographic reproduction strategy did not depend on an iterative Fourier change calculation or a not well presented reversal issue as a rule, and the exploratory arrangement is an improved on variant of a double spectrogram technique known as 'exceptionally progressed technique for stage and power recovery of e-fields' (VAMPIRE). By utilizing a dispersive component inside the VAMPIRE arrangement, as displayed which shows near quadratic scattering over a wide ghastly reach a numerical methodology can be acquired from tomographic beat reproduction strategies and used to remake beats from spectrographic data. The specific dispersive component utilized is BaF2 which shows a close to quadratic ghastly scattering over the otherworldly reach 200 to 1200 nm. Where the phantom scattering is close to quadratic the conditions for a tomographic way to deal with remaking are fulfilled.