Vibrational sum frequency generation digital holography

Ding Ma, Christopher M. Lee, Yizhu Chen, Nikhil Mehta, Seong H. Kim, Zhiwen Liu

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

We demonstrated a molecular spectroscopic imaging method by integrating the capabilities of holography and vibrational sum frequency generation (SFG) spectroscopy. SFG is a second-order nonlinear optical process that can probe molecular vibration resonance. SFG also poses stringent requirement of noncentro-symmetry, useful for suppressing interfering contributions in a complex environment. Further, holographic detection captures a wide-field complex SFG signal including both the amplitude and phase information, thus enabling new opportunities for three-dimensional label free imaging.

Original languageEnglish (US)
Article number251601
JournalApplied Physics Letters
Volume110
Issue number25
DOIs
StatePublished - Jun 19 2017

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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