University of Tokyo Achieves Ultrafast Photography Spanning Five Orders of Magnitude
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A team at the University of Tokyo has developed a logarithmic ultrafast photography method that captures, in a single shot, 11 frames linking dynamic processes from about 100 femtoseconds to 10 nanoseconds, spanning five orders of magnitude in time. The method introduces band-resolved independent delay generation (BRIDGE) into the STAMP technique, allowing the timing of each spectral band to be adjusted independently and frame intervals to be arranged densely at early times and sparsely at later times. Published in Optica, the study shows early changes in glass and hydroxyapatite after irradiation by ultrashort laser pulses, followed by shock waves and material ejection.
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- Phys.org Optics & PhotonicsPicksUniversity of Tokyo Tailors Frame Intervals to Capture Ultrafast Processes Across Five Orders of Magnitude
A University of Tokyo team developed a logarithmic ultrafast photography method that uses 11 frames in a single shot to capture dynamics spanning roughly 100 femtoseconds to 10 nanoseconds, across five orders of magnitude. The method introduces band-resolved independent delay generation (BRIDGE) into STAMP, independently adjusting the timing of each band and arranging frames densely at early times and sparsely at later times. The study, published in Optica, shows early changes, subsequent shock waves and material ejection in glass and hydroxyapatite after irradiation by ultrashort laser pulses.
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