Ultrafast Laser Measurement

ROC Autocorrelators: Pulse duration measurement made easy

Optical autocorrelators are used to measure pulse duration of ultra-short laser pulses. The principle is to create two copies of the laser beam of interest with a beam splitter. The copies are superimposed in a nonlinear medium (SHG crystal), where they interact generating a third beam. As the overlap of the two copies depends on the pulse duration, analysing the third beam allows to calculate the pulse duration.

Realtime FROG

High-resolution FROG with visual feedback on all important pulse characteristics: pulse duration, spectral width, chirp, pulse front tilt, phase modulation, dispersion.

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