Broadband extreme ultraviolet probing of transient gratings in vanadium dioxide | Zendy

Emily Sistrunk | Zendy; Jakob Grilj | Zendy; Jaewoo Jeong | Zendy; Mahesh G. Samant | Zendy; A. X. Gray | Zendy; H. A. Dürr | Zendy; S. Parkin | Zendy; Markus Gühr | Zendy

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Broadband extreme ultraviolet probing of transient gratings in vanadium dioxide

Author(s) -

Emily Sistrunk,

Jakob Grilj,

Jaewoo Jeong,

Mahesh G. Samant,

A. X. Gray,

H. A. Dürr,

S. Parkin,

Markus Gühr

Publication year - 2015

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.23.004340

Subject(s) - extreme ultraviolet lithography , extreme ultraviolet , materials science , optics , ultrashort pulse , grating , spectroscopy , ultrafast laser spectroscopy , diffraction grating , optoelectronics , laser , physics , quantum mechanics

Nonlinear spectroscopy in the extreme ultraviolet (EUV) and soft x-ray spectral range offers the opportunity for element selective probing of ultrafast dynamics using core-valence transitions (Mukamel et al., Acc. Chem. Res. 42, 553 (2009)). We demonstrate a step on this path showing core-valence sensitivity in transient grating spectroscopy with EUV probing. We study the optically induced insulator-to-metal transition (IMT) of a VO(2) film with EUV diffraction from the optically excited sample. The VO(2) exhibits a change in the 3p-3d resonance of V accompanied by an acoustic response. Due to the broadband probing we are able to separate the two features.

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