Abstract

[Abstract] Single-laser-shot temperature measurements at a data rate of 1 kHz are demonstrated using femtosecond coherent anti-Stokes Raman scattering (CARS). The single-laser-shot measurements were performed by using a chirped probe pulse to map the time-dependent frequency-spread decay of the Raman coherence into the spectrum of the CARS signal pulse. Temperature is determined from the spectral shape of the chirped-probe femtosecond CARS signal for probe delays of approximately 2 picoseconds with respect to the impulsive pumpStokes excitation of the Raman coherence.

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