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Description of AMU Physics Department Facilities Piko i femtosekundowe metody badań we współczesnej fotofizyce i spektroskopii molekularnej Marian Szymański.

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Presentation on theme: "Description of AMU Physics Department Facilities Piko i femtosekundowe metody badań we współczesnej fotofizyce i spektroskopii molekularnej Marian Szymański."— Presentation transcript:

1 Description of AMU Physics Department Facilities Piko i femtosekundowe metody badań we współczesnej fotofizyce i spektroskopii molekularnej Marian Szymański Instytut Fizyki, Uniwersytet im. Adama Mickiewicza, Poznań

2 AMU Physics Department TC-SPC

3

4 AMU Physics Department Picosecond Transient Absorption

5 ND Femtosecond Transient Absorption

6 NDRL femto lab

7

8 Spectral and Kinetic Displays

9 775 nm, 150 fs pulse in sapphire crystal A wide range of frequencies is generated with a short, intense pulse Wavelength, nm Intensity, au 400 nm800 nm

10 Measurement Principle of Femtosecond Laser Pump Pulses (775, 390, or 258 nm) chopper blocks pump pulses 1 ms 5 ms Probe Pulses (White light) t 1, probe < t laser t 2, probe > t laser = sum of all five probe pulses = sum of all five probe pulses A = log 10 0 A t 1, probe t 2, probe t laser 0


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