Single-beam heterodyne FAST CARS microscopy.
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We demonstrate, for the first time, single-beam heterodyne FAST CARS imaging without data post-processing and with nonresonant background subtraction in a simple setup via the real-time piezo modulation of the probe delay. Our fast signal acquisition scheme does not require a spatial light modulator in the pulse shaper, and is suitable for high-resolution imaging and time-resolved dynamics. In addition, the spectral detection of the back-scattered FAST CARS signal is incorporated into the pulse shaper, allowing for a compact and more efficient design. Such epi-detection capability is demonstrated by imaging Si and MoS2 microstructures.
author list (cited authors)
Shen, Y., Voronine, D. V., Sokolov, A. V., & Scully, M. O.
complete list of authors
Shen, Yujie||Voronine, Dmitri V||Sokolov, Alexei V||Scully, Marlan O