When laser pulse durations fall below 40 ps, electronic measurement devices are too slow to measure the light pulses. Instead optical pulse measurement methods such as autocorrelation and frequency resolved optical gating (FROG) are used. We have the following devices for ultrashort laser pulse measurement. For longer pulse length measurements, see the fast oscilloscope capabilities.
- FROG (Femto Easy, Grenouille), FROG pulse characterization system, pulse duration 50 fs – 40 ps; wavelength range: config1: 800-1200nm, config2: 1500-2000nm, config3: 700-900 nm (contact Mikko Närhi)
- Femtochrome FR-103PD, FR-103XL, FR-103MN, FR-103WS, FR-103HP, autocorrelators for femtosecond and picosecond pulses. (contact Mikko Närhi)
- Thorlabs Autocorrelator for femtosecond lasers, 50fs-10ps, 650-1100 nm. (contact Pertti Pääkkönen)
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