In this tutorial review, we discuss how the choice of upconversion pulse shape in broadband vibrational sum-frequency generation (SFG) spectrometer design impacts the chemical or physical insights one can obtain from a set of measurements. A time-domain picture of a vibrational coherence being mapped by a second optical field is described and the implications of how this mapping, or upconversion process, takes place are given in the context of several popular and emerging approaches found in the literature. Emphasis is placed on broadband frequency-domain measurements, where the choice of upconversion pulse enhances or limits the information contained in the SFG spectrum. We conclude with an outline for a flexible approach to SFG upconversion using pulse-shaping methods and a simple guide to design and optimize the associated instrumentation.
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March 2022
Tutorial|
April 26 2022
Considerations in upconversion: A practical guide to sum-frequency generation spectrometer design and implementation
Special Collection:
Special Topic Collection: Tutorials in Sum-Frequency Generation Spectroscopy
Benjamin Doughty
;
Benjamin Doughty
a)
Chemical Sciences Division, Oak Ridge National Laboratory
, Oak Ridge, Tennessee 37831a)Author to whom correspondence should be addressed: doughtybl@ornl.gov
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Lu Lin
;
Lu Lin
Chemical Sciences Division, Oak Ridge National Laboratory
, Oak Ridge, Tennessee 37831
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Uvinduni I. Premadasa
;
Uvinduni I. Premadasa
Chemical Sciences Division, Oak Ridge National Laboratory
, Oak Ridge, Tennessee 37831
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Ying-Zhong Ma
Ying-Zhong Ma
Chemical Sciences Division, Oak Ridge National Laboratory
, Oak Ridge, Tennessee 37831
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a)Author to whom correspondence should be addressed: doughtybl@ornl.gov
Biointerphases 17, 021201 (2022)
Article history
Received:
February 22 2022
Accepted:
April 04 2022
Citation
Benjamin Doughty, Lu Lin, Uvinduni I. Premadasa, Ying-Zhong Ma; Considerations in upconversion: A practical guide to sum-frequency generation spectrometer design and implementation. Biointerphases 1 March 2022; 17 (2): 021201. https://doi.org/10.1116/6.0001817
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