Kim, Taewoo and Liang, Jinyang and Zhu, Liren and Wang, Lihong V. (2020) Picosecond-resolution phase-sensitive imaging of transparent objects in a single shot. Science Advances, 6 (3). Art. no. eaay6200. ISSN 2375-2548. PMCID PMC6968941. https://resolver.caltech.edu/CaltechAUTHORS:20200117-154848286

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Abstract With the growing interest in the optical imaging of ultrafast phenomena in transparent objects, from shock wave to neuronal action potentials, high contrast imaging at high frame rates has become desirable. While phase sensitivity provides the contrast, the frame rates and sequence depths are highly limited by the detectors. Here, we present phase-sensitive compressed ultrafast photography (pCUP) for single-shot real-time ultrafast imaging of transparent objects by combining the contrast of dark-field imaging with the speed and the sequence depth of CUP. By imaging the optical Kerr effect and shock wave propagation, we demonstrate that pCUP can image light-speed phase signals in a single shot with up to 350 frames captured at up to 1 trillion frames per second. We expect pCUP to be broadly used for a vast range of fundamental and applied sciences.

Item Type: Article Related URLs: URL URL Type Description https://doi.org/10.1126/sciadv.aay6200 DOI Article http://advances.sciencemag.org/cgi/content/full/6/3/eaay6200/DC1 Publisher Supporting Information https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6968941 PubMed Central Article ORCID: Author ORCID Zhu, Liren 0000-0002-6338-9338 Wang, Lihong V. 0000-0001-9783-4383 Additional Information: © 2020 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC). Submitted 4 July 2019; Accepted 18 November 2019; Published 17 January 2020. We thank P. Wang, J. Jing, and A. Kumar for discussion. We also acknowledge Texas Instruments for providing the DLP device. Funding: This work was supported, in part, by NIH grants DP1 EB016986 (NIH Director’s Pioneer Award), U01 NS090579 (BRAIN Initiative), and U01 NS099717 (BRAIN Initiative). Author contributions: T.K. built the system, performed the experiments, analyzed the data, and prepared the manuscript. J.L. and L.Z. built the reconstruction algorithm. L.V.W. contributed to the conceptual system, experimental design, and manuscript preparation. Competing interests: The authors disclose the following patent applications: WO2016085571 A3 (L.V.W. and J.L.), U.S. Provisional 62/298,552 (L.V.W., J.L., and L.Z.), and U.S. Provisional 62/812,411 (L.V.W., T.K., J.L., and L.Z.). The authors declare that they have no other competing interests. Data and materials availability: All data needed to evaluate the conclusions in the paper are present in the paper and/or the Supplementary Materials. Additional data related to this paper may be requested from the authors. Funders: Funding Agency Grant Number NIH DP1 EB016986 NIH U01 NS090579 NIH U01 NS099717 Issue or Number: 3 PubMed Central ID: PMC6968941 Record Number: CaltechAUTHORS:20200117-154848286 Persistent URL: https://resolver.caltech.edu/CaltechAUTHORS:20200117-154848286 Official Citation: Picosecond-resolution phase-sensitive imaging of transparent objects in a single shot By Taewoo Kim, Jinyang Liang, Liren Zhu, Lihong V. Wang Science Advances 17 Jan 2020: Vol. 6, no. 3, eaay6200 DOI: 10.1126/sciadv.aay6200 Usage Policy: No commercial reproduction, distribution, display or performance rights in this work are provided. ID Code: 100802 Collection: CaltechAUTHORS Deposited By: George Porter Deposited On: 17 Jan 2020 23:56 Last Modified: 03 Feb 2020 16:56

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