Strong Field Ionization to Multiple Electronic States in Water

被引：84

作者：

Farrell, Joseph P. ^{[1
,2
,3
]}

Petretti, Simon ^{[4
]}

Foerster, Johann ^{[4
]}

McFarland, Brian K. ^{[1
,2
,3
]}

Spector, Limor S. ^{[1
,2
,3
]}

Vanne, Yulian V. ^{[4
]}

Decleva, Piero ^{[5
]}

Bucksbaum, Philip H. ^{[1
,2
,3
]}

Saenz, Alejandro ^{[4
]}

Guehr, Markus ^{[1
,2
,3
]}

机构：

[1] Stanford PULSE Inst, SLAC Natl Accelerator Lab, Menlo Pk, CA 94025 USA

[2] Stanford Univ, Dept Phys, Stanford, CA 94305 USA

[3] Stanford Univ, Dept Appl Phys, Stanford, CA 94305 USA

[4] Humboldt Univ, Inst Phys, AG Moderne Opt, D-12489 Berlin, Germany

[5] Univ Trieste, Dipartimento Sci Chim, I-34127 Trieste, Italy

来源：

PHYSICAL REVIEW LETTERS | 2011年 / 107卷 / 08期

基金：

美国国家科学基金会;

关键词：

HIGH-HARMONIC-GENERATION; DYNAMICS; MOLECULES; SPECTROSCOPY; ORBITALS; MOTION;

D O I：

10.1103/PhysRevLett.107.083001

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

High harmonic spectra show that laser-induced strong field ionization of water has a significant contribution from an inner-valence orbital. Our experiment uses the ratio of H2O and D2O high harmonic yields to isolate the characteristic nuclear motion of the molecular ionic states. The nuclear motion initiated via ionization of the highest occupied molecular orbital (HOMO) is small and is expected to lead to similar harmonic yields for the two isotopes. In contrast, ionization of the second least bound orbital (HOMO-1) exhibits itself via a strong bending motion which creates a significant isotope effect. We elaborate on this interpretation by solving the time-dependent Schrodinger equation to simulate strong field ionization and high harmonic generation from the water isotopes. We expect that this isotope marking scheme for probing excited ionic states in strong field processes can be generalized to other molecules.

引用

页数：4

共 27 条

[1] Single-active-electron approximation for describing molecules in ultrashort laser pulses and its application to molecular hydrogen [J].

Awasthi, Manohar ;

Vanne, Yulian V. ;

Saenz, Alejandro ;

Castro, Alberto ;

Decleva, Piero .

PHYSICAL REVIEW A, 2008, 77 (06)

[2] Probing proton dynamics in molecules on an attosecond time scale [J].

Baker, S ;

Robinson, JS ;

Haworth, CA ;

Teng, H ;

Smith, RA ;

Chirila, CC ;

Lein, M ;

Tisch, JWG ;

Marangos, JP .

SCIENCE, 2006, 312 (5772) :424-427

[3] Dynamic two-center interference in high-order harmonic generation from molecules with attosecond nuclear motion [J].

Baker, S. ;

Robinson, J. S. ;

Lein, M. ;

Chirila, C. C. ;

Torres, R. ;

Bandulet, H. C. ;

Comtois, D. ;

Kieffer, J. C. ;

Villeneuve, D. M. ;

Tisch, J. W. G. ;

Marangos, J. P. .

PHYSICAL REVIEW LETTERS, 2008, 101 (05)

[4] PLASMA PERSPECTIVE ON STRONG-FIELD MULTIPHOTON IONIZATION [J].

CORKUM, PB .

PHYSICAL REVIEW LETTERS, 1993, 71 (13) :1994-1997

[5] An investigation of harmonic generation in liquid media with a mid-infrared laser [J].

DiChiara, Anthony D. ;

Sistrunk, Emily ;

Miller, Terry A. ;

Agostini, Pierre ;

DiMauro, Louis F. .

OPTICS EXPRESS, 2009, 17 (23) :20959-20965

[6] Vibrational-state and isotope dependence of high-order harmonic generation in water molecules [J].

Falge, Mirjam ;

Engel, Volker ;

Lein, Manfred .

PHYSICAL REVIEW A, 2010, 81 (02)

[7] Influence of phase matching on the Cooper minimum in Ar high-order harmonic spectra [J].

Farrell, J. P. ;

Spector, L. S. ;

McFarland, B. K. ;

Bucksbaum, P. H. ;

Guehr, M. ;

Gaarde, M. B. ;

Schafer, K. J. .

PHYSICAL REVIEW A, 2011, 83 (02)

[8] Real-time observation of valence electron motion [J].

Goulielmakis, Eleftherios ;

Loh, Zhi-Heng ;

Wirth, Adrian ;

Santra, Robin ;

Rohringer, Nina ;

Yakovlev, Vladislav S. ;

Zherebtsov, Sergey ;

Pfeifer, Thomas ;

Azzeer, Abdallah M. ;

Kling, Matthias F. ;

Leone, Stephen R. ;

Krausz, Ferenc .

NATURE, 2010, 466 (7307) :739-U7

[9]

Herzberg G., 1966, MOL SPECTRA MOL STRU, V3

[10] ISOTOPIC AND VIBRONIC COUPLING EFFECTS IN VALENCE ELECTRON-SPECTRA OF H2 O-16, H2 O-18, AND D2 O-16 [J].

KARLSSON, L ;

MATTSSON, L ;

JADRNY, R ;

ALBRIDGE, RG ;

PINCHAS, S ;

BERGMARK, T ;

SIEGBAHN, K .

JOURNAL OF CHEMICAL PHYSICS, 1975, 62 (12) :4745-4752

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