Journal
OPTICS LETTERS
Volume 38, Issue 23, Pages 5157-5160Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.38.005157
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Funding
- Department of Energy [DE-FG02-96ER40954, DE-FG02-07ER54945]
- National Science Foundation [PHY-0936283]
- Robert Welch Foundation [F-1038]
- Division Of Physics
- Direct For Mathematical & Physical Scien [1004321] Funding Source: National Science Foundation
- U.S. Department of Energy (DOE) [DE-FG02-07ER54945] Funding Source: U.S. Department of Energy (DOE)
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We demonstrate a single-shot method of visualizing the evolution of light-speed, laser-generated structures as they propagate over hundreds of Rayleigh lengths (typically >= 10 cm) through a tenuous medium. An ultrashort probe pulse crosses the object's path at a small angle (0 < 5 degrees) and a specific time delay. Copies of the phase-modulated probe are then relay-imaged to separate detectors from selected object planes along the propagation path. A phase-contrast technique based on Kerr effect and nonlinear absorption converts phase to intensity modulation, improving sensitivity in tenuous media. A continuous record of the probe phase modulation along the propagation path is reconstructed. (C) 2013 Optical Society of America
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