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A new computational optical imaging method used with a streak camera has enabled two-dimensional ultrafast photography of non-repetitive events at 100 billion frames per second.
With the development of construction, curtain wall which are the exterior decorator of buildings are more and more popular. The quality of curtain wall installation relates to the beauty and safe. In order to improve the test precision of curtain wall installation and reduce the man-made influence, a kind of quality evaluation machine for curtain wall installation was developed. It consists of structured...
Previously, we demonstrated that recovery of image blurred by phase aberration [1] and atmospheric turbulence [2] through optical phase conjugate beams generated by difference-frequency generation. In Refs. [1,2], the images were restored by the phase-conjugation in the transmission configuration. Based on such a scheme, the image system overcomes the disadvantages which were suffered in the past,...
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