Abstract
Ultrafast pulsed lasers can be used to measure the phenomena occurring at femtosecond (fs) (10−15 s) time scale which include photo synthesis, protein collapsing and sub-atomic vibrations. In normal course, the temporal profile of the nanosecond (ns) pulsed lasers can be estimated by using the standard detectors because the recombination time of the electron-hole pair is of the order of ns. Nevertheless, the electronic equipment and the standard detectors are insufficient to measure the temporal profile of the ultrafast pulsed lasers. In the present investigation, we compare various techniques to measure the temporal profile of the ultrafast lasers which is followed by the details of the experimental configuration of an autocorrelation technique. The temporal profile of the ultrafast pulsed lasers has shown various pulse width values in the experimental set-up when recorded at different configurations.
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