Spatial frequency modulated imaging with a single femtosecond pulse

Olivier Bernard; Seth Cottrell; Randy Bartels; Yves Bellouard; Jeff Squier

doi:10.1117/12.3001083

13 March 2024 Spatial frequency modulated imaging with a single femtosecond pulse

Olivier Bernard, Seth Cottrell, Randy Bartels, Yves Bellouard, Jeff Squier

Proceedings Volume PC12870, Real-time Measurements, Rogue Phenomena, and Single-Shot Applications IX; PC1287006 (2024) https://doi.org/10.1117/12.3001083
Event: SPIE LASE, 2024, San Francisco, California, United States

Abstract

Spatial frequency modulated imaging (SPIFI) employs a structured line-shaped illumination, able to resolve beyond conventional resolution limits for coherent light with high speed. It produces image harmonics, with each order carrying a higher resolution. To date this method used rotating reticles to produce the necessary structured illumination, limiting image acquisition to about 100 μs. Here, we introduce a single-shot approach. We show that a super-resolved 1D image can be acquired with a single femtosecond pulse, with potential acquisition rates in the tens of kHz.

Conference Presentation

Citation Download Citation

Olivier Bernard, Seth Cottrell, Randy Bartels, Yves Bellouard, and Jeff Squier "Spatial frequency modulated imaging with a single femtosecond pulse", Proc. SPIE PC12870, Real-time Measurements, Rogue Phenomena, and Single-Shot Applications IX, PC1287006 (13 March 2024); https://doi.org/10.1117/12.3001083

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