Time-Resolved Magneto-Optical Kerr Effect (TRMOKE)
Magnetization dynamics is measured by a femto-second laser.
Specifications
Laser source :
FCPA µ-Jewel D-1000 made by IMRA America
Wavelength : 1040 nm
Pulse width : < 550 fsec
Pulse energy : > 10 µJ
Repetition rage : 100 kHz
SHG (Second harmonic generation) power : >200 mW
THG (Third harmonic generation) power : >20 mW
Pump-probe measurement :
Pump wavelength : 1040 nm
Probe wavelength : 520 nm
Delay stage : Max. 300 mm（2 nsec），Resolution: 4µm（27 fsec）
External magnetic field : Max. 14 kOe
Field direction : θ= 30 - 90 deg（θ : angle from film normal）