Optical pulse correlation measurement
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United States of America Patent
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Oct 30, 1984
Grant Date -
N/A
app pub date -
Feb 16, 1982
filing date -
Feb 16, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The temporal shape of optical pulses is measured over a wide dynamic range, for example, 10 orders of magnitude, by passing an optical signal corresponding to the autocorrelation function of the optical pulses through a variable attenuation filter, the position of which is a function of the attenuation. By plotting the attenuation of the filter in terms of the position thereof, against the duration of the temporal overlap of the pulses in a mixing crystal which produces the optical signal corresponding to the autocorrelation function, the temporal shape of the pulses is displayed.
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