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research article

Sum frequency and second harmonic generation from the surface of a liquid microjet

Smolentsev, Nikolay  
•
Chen, Yixing  
•
Jena, Kailash C.
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2014
Journal Of Chemical Physics

The use of a liquid microjet as a possible source of interest for Second Harmonic Generation (SHG) and Sum Frequency Generation (SFG) spectroscopy is examined. We measured non-resonant SHG scattering patterns from the air/water interface of a microjet of pure water and observe a strong enhancement of the SHG signal for certain scattering angles. These enhancements can be explained by the optical properties and the shape of the liquid microjet. SFG experiments at the surface of a liquid microjet of ethanol in air show that it is also possible to measure the coherent vibrational SFG spectrum of the ethanol/air interface in this way. Our findings are useful for future far-UV or X-ray based nonlinear optical surface experiments on liquid jets. In addition, combined X-ray photoelectron spectroscopy and SHG/SFG measurements are feasible, which will be very useful in improving our understanding of the molecular foundations of electrostatic and chemical surface properties and phenomena. (C) 2014 AIP Publishing LLC.

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Type
research article
DOI
10.1063/1.4896996
Web of Science ID

WOS:000344847600068

Author(s)
Smolentsev, Nikolay  
Chen, Yixing  
Jena, Kailash C.
Brown, Matthew A.
Roke, Sylvie  
Date Issued

2014

Publisher

Amer Inst Physics

Published in
Journal Of Chemical Physics
Volume

141

Issue

18

Article Number

18C524

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LBP  
Available on Infoscience
December 30, 2014
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/109680
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