Optical pulse correlation measurement

Details Optical pulse correlation measurement Optical pulse correlation measurement

1982-02-16

1984-10-30

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Interference pattern analysis

324 77K, G02B 2742

Patent

active

044801920

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.

REFERENCES:
Bradley et al., "Proc. IEEE", Mar. 1974, pp. 313, 316-319.

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