Abstract
No, this isn’t one of those age-old unresolvable dilemmas, the kind that frustrated ancient Greek philosophers. True, it’s reminiscent of Zeno’s paradox, which considered how finely one may divide distances, rather than durations of time. And it’s equally confounding. But, in fact, the above dilemma is a recently solved optical measurement problem, which, until a few years ago, badly frustrated modern laser scientists.
In order to measure an event in time, you must use a shorter one. But then, to measure the shorter event, you must use an even shorter one. And so on. So, now, how do you measure the shortest event ever created?
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Trebino, R. (2000). The Dilemma. In: Frequency-Resolved Optical Gating: The Measurement of Ultrashort Laser Pulses. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-1181-6_1
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DOI: https://doi.org/10.1007/978-1-4615-1181-6_1
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