Abstract

We achieved single-shot 2D-burst imaging with a ${\sim}{{22}}\;{\rm{ps}}$ temporal resolution in a nanosecond time window using sequentially timed all-optical mapping photography with a spectral filtering (SF-STAMP) scheme, where a single snapshot of spectral images measured with a linear frequency chirped laser pulse forms time-resolved snapshots. We combined a pulse-stretching scheme of a free-space angular-chirp-enhanced delay (FACED) composed of a pair of tilted mirrors and a ${4}\!f$-system. With a ${4\!f}$-FACED system, we generated collinearly propagating burst laser pulses with a different center wavelength and a tunable time interval and demonstrated single-shot burst imaging with a 303 ps interval in a 1.5 ns time window by an SF-STAMP with spectrally sweeping probe pulses.

© 2020 Optical Society of America

Sequentially timed all-optical mapping photography (STAMP) utilizing spectral filtering

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