Upconversion time microscope demonstrating 103 x magnification of femtosecond waveforms.
We present the operational principles and results of a temporal imaging system, configured as a time microscope, that achieves 103 x magnification of waveforms with 300-fs resolution and a 5.7-ps field of view. The quadratic-phase time-lens element is realized by upconversion of the dispersed input waveform with a linearly chirped 5-THz bandwidth pump. The system allows expansion of ultrafast optical waveforms to a time scale that is directly accessible with slower conventional technology, in real time, on a single-shot basis.
Bennett
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Department of Electrical Engineering, University of California, Los Angeles, and Lawrence Livermore National Laboratory, P.O. Box 808, L-174, Livermore, California 94551, USA.
Kolner
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