Journal
APPLIED PHYSICS REVIEWS
Volume 3, Issue 1, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4941050
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Funding
- ImPACT Program of the Council for Science, Technology and Innovation (Cabinet Office, Government of Japan)
- JSPS [25702024, 25560190]
- JGC-S Scholarship Foundation
- Mitsubishi Foundation
- Konica Minolta Imaging Science Encouragement Award
- Takeda Science Foundation
- Noguchi Shitagau Research Grant
- Epson International Scholarship Foundation
- Ogino Prize
- MEXT Advanced Photon Science Alliance
- Office of the China Postdoctoral Council
- Grants-in-Aid for Scientific Research [25560190, 25702024] Funding Source: KAKEN
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Breathtaking innovations in optical imaging have opened new exciting avenues for science, industry, and medicine over the last few decades. One of such innovations is optical time-stretch imaging-an emerging method for ultrafast optical imaging that builds on temporally stretching broadband pulses by using dispersive properties of light in both spatial and temporal domains. It achieves continuous image acquisition at an ultrahigh frame rate of 10-1000 million frames per second by overcoming technical and fundamental limitations that exist in traditional imaging methods. By virtue of its inherent affinity with optical signal processing, optical time-stretch imaging can be combined with various optical techniques such as amplification, nonlinear processing, compressive sensing, and pattern correlation to realize unique capabilities that are not possible with the traditional imaging methods. Applications enabled by such capabilities are versatile and include surface inspection, surface vibrometry, particle analysis, and cell screening. In this paper, we review the principles and limitations of conventional optical imaging, the principles and applications of optical time-stretch imaging, and discuss our future perspective. (C) 2016 AIP Publishing LLC.
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