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Scientists discovered the phenomenon of reciprocating propagation of laser pulse in free space – Tech Explorist

Scientists from Osaka University discover phenomenon of reciprocating propagation of laser pulse intensity in free space.

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Optical pulse propagation, including velocity and direction, is a fundamental characteristic for applications like optical information/communication, laser-matter interaction, etc. 
Recently, Spatiotemporal couplings were used to produce light with tunable group velocity, direction, and trajectory in free space. For example, in the method of flying focus, where temporal chirp and longitudinal chromatism were combined, tunable-velocities and even backward-propagation were demonstrated. 
A past study…

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