Experimental demonstration of time lens photon Doppler velocimetry (TL-PDV)

Velat Kilic; Christopher S. DiMarco; Jacob Diamond; Pighan Chu; K. T. Ramesh; Zhehui Wang; Mark A. Foster

doi:10.1117/12.2647486

14 March 2023 Experimental demonstration of time lens photon Doppler velocimetry (TL-PDV)

Velat Kilic, Christopher S. DiMarco, Jacob Diamond, Pighan Chu, K. T. Ramesh, Zhehui Wang, Mark A. Foster

Proceedings Volume 12406, Real-time Measurements, Rogue Phenomena, and Single-Shot Applications VIII; 1240604 (2023) https://doi.org/10.1117/12.2647486
Event: SPIE LASE, 2023, San Francisco, California, United States

Abstract

Photon Doppler velocimetry (PDV) is a widely used diagnostic for measuring extreme surface velocities. Due to limited electrical bandwidth, conventional PDV systems suffer from limited velocity dynamic range when measuring extreme phenomena in shock physics. Time lens PDV (TL-PDV) overcomes these limitations by temporally magnifying the Doppler shifted beat frequencies allowing for recording with lower bandwidth electronics. Here we experimentally demonstrate TL-PDV and show a 74 km/s velocity range using only 12.5 GHz electrical bandwidth and a temporal magnification factor of 7.6. Furthermore, we validate this system by measuring Laser-Driven Micro-Flyers (LDMF) traveling at approximately 1 km/s.

Conference Presentation

Citation Download Citation

Velat Kilic, Christopher S. DiMarco, Jacob Diamond, Pighan Chu, K. T. Ramesh, Zhehui Wang, and Mark A. Foster "Experimental demonstration of time lens photon Doppler velocimetry (TL-PDV)", Proc. SPIE 12406, Real-time Measurements, Rogue Phenomena, and Single-Shot Applications VIII, 1240604 (14 March 2023); https://doi.org/10.1117/12.2647486

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