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dc.contributor.authorHill, Andrew H.
dc.contributor.authorMassaro, Eric S.
dc.contributor.authorKennedy, Casey L.
dc.contributor.authorGrumstrup, Erik M.
dc.identifier.citationMassaro, Eric S, Andrew H Hill, Casey L Kennedy, and Erik M Grumstrup. "Imaging theory of structured pump-probe microscopy." Optics Express 24, no. 18 (September 2016): 20868-20880. DOI:
dc.description.abstractWith sub-micron spatial resolution and femtosecond temporal resolution, pump probe microscopy provides a powerful spectroscopic probe of complex electronic environments in bulk and nanoscale materials. However, the electronic structure of many materials systems are governed by compositional and morphological heterogeneities on length scales that lie below the diffraction limit. We have recently demonstrated Structured Pump Probe Microscopy (SPPM), which employs a patterned pump excitation field to provide spectroscopic interrogation of sub-diffraction limited sample volumes. Herein, we develop the imaging theory of SPPM in two dimensions to accompany the previously published experimental methodology. We show that regardless of pump and probe wavelengths, a nearly two-fold reduction in spectroscopic probe volume can be achieved. We also examine the limitations of the approach, with a detailed discussion of ringing in the point spread function that can reduce imaging performance.en_US
dc.description.sponsorshipDivision of Chemical Sciences, Geosciences, and Biosciences, Office of Basic Energy Sciences of the U.S. Department of Energy (DE-SC0014128)en_US
dc.titleImaging theory of structured pump-probe microscopyen_US
mus.citation.journaltitleOptics Expressen_US
mus.identifier.categoryChemical & Material Sciencesen_US
mus.identifier.categoryPhysics & Mathematicsen_US
mus.relation.collegeCollege of Letters & Scienceen_US
mus.relation.departmentChemistry & Biochemistry.en_US
mus.relation.universityMontana State University - Bozemanen_US

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