Optical autocorrelation is a technique used to measure the temporal properties of light pulses, particularly in the context of ultrafast laser pulses. It involves analyzing the way in which a light signal overlaps with itself over time, allowing researchers to extract information about the duration and shape of the pulse. ### Key Concepts: 1. **Autocorrelation Basics**: - Autocorrelation is a mathematical tool used to compare a signal with a delayed version of itself.
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