Abstract

A single-shot measurement of terahertz electromagnetic pulses is implemented using two-dimensional electro-optic imaging with dual echelon optics. The reported embodiment produces sequentially delayed multiprobe beamlets, routinely providing a time window of $>10\mathrm{ps}$ with $\sim 25\mathrm{fs}$ temporal step sizes. Because of its simplicity and robustness, the technique is ideally suited for real-time ultrashort relativistic electron bunch characterization.

© 2007 Optical Society of America

Dual-echelon single-shot femtosecond spectroscopy

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High-speed two-dimensional terahertz spectroscopy with echelon-based shot-to-shot balanced detection

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Single-shot time-frequency imaging spectroscopy using an echelon mirror

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