Abstract
An off-axis holographic recording method for fast-moving objects
that has a time resolution of several picoseconds and a large depth of
field is suggested. Two different but mutually coherent laser
pulses, the original pulse (20 ps) and a stretched pulse (60
ps), are interfered. The short pulse determines the resolution,
and the stretched pulse increases the field depth. Interference
patterns between the short and the expanded pulses, for λ =
1.064 µm and λ = 0.532 µm, are
demonstrated.
© 2000 Optical Society of America
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