Local Contact |
Peter CHRISTIANEN |
Field range |
0 ... 37.5 T |
Spectral range |
Excitation:
Different types of pulsed lasers (wavelength in nm):
Ti:Sapphire oscillator: 100 fs @ 80 MHz: 690 – 1040
OPA: 100 fs @ 1 kHz: 290- 1160
Balanced photo-detector:
Si diode: 375 – 1000 nm
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Temperature range |
Temperature range depends on sample holder and cryostat
In general: 1.5 ... 290 K
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Sample size |
< 5 mm lateral size, ~ 1 mm or less height |
Sensitivity |
Temporal resolution: 100 fs
MOKE: 2 mdeg
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Typical experiment |
Femtosecond pump-probe experiment:
magneto-optical Kerr effect (MOKE) or reflectivity
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Sample Holder |
Sample mounted on xyz-Attocube positioner with feedback (50 mm bore 30 T magnet) or without feedback (32 mm bore 38 T magnet)
Faraday and Voigt configuration
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Sample environment |
Helium exchange gas |
Examples |
Femtosecond MOKE (sample: GdFeCo), Phys. Rev. Lett. 118,117203 (2017) |
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