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physics.optics2025
Widefield pump-probe microscopy with coherent background subtraction by angle-compensated temporal shearing
Matthew Sheinman, Mark Polkovnikov, Luke Saunders +9
Pump-probe microscopy enables label-free imaging of structural and chemical features of samples. However, signals in pump-probe microscopy are typically small and often must be mea…
physics.optics2013★ 1 cited
Pitchfork Bifurcation and Zharov Splitting in Nonlinear Mid-infrared Photothermal Spectroscopy in a liquid crystal using a Quantum Cascade Laser
Alket Mertiri, Hatice Altug, M. K. Hong +4
We report on the mid-infrared nonlinear photothermal spectrum of the neat liquid crystal 4-Octyl-4'-Cyanobiphenyl (8CB) using a tunable Quantum Cascade Laser (QCL). The nonequilibr…