Measurement of Electrons Produced in Strong Laser Field

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Measurement of Electrons Produced in Strong
Laser Field
By the
COLTRIMS TECHNIQUE
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• Calibrate some experimental parameters
• Study the reactions
• LaserH2H2 e-
• Main Focus- sequential ionization
• LaserH2HH2e-

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Experimental setup
B
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How r depends on ? c and TOF !!
Z
Detector Plane
R
Hit!!
r
r(t)f(t) sin?ct/2
Y
A(zo,yo)
Centre of detector
Cyclotron Frequency
r
r
TOF
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Wiggles Spectrum (E1v/cm)
Calibration of parameters used in experiment
r(0.5 mm)
TC
TC
TC
Cyclotron Period
TOF(ns)
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High Extraction Field (12v/cm)
r(0.5 mm)
TOF(ns)
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Momentums Equations
Time of Flight Direction
Detector Plane
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Circular Polarization
Plane of laser polarization
Detector plane
Py
Px
Po
Py
Pz
Laser Peak Intensity Eo?Po
Io2.31014 watt/cm2
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