Implementation and modeling of a femtosecond laser-activated streak camera

Implementation and modeling of a femtosecond laser-activated streak camera

A laser-activated streak camera was built to measure the duration of femtosecond electron pulses. The streak velocity of the device is 1.89 mrad/ps, which corresponds to a sensitivity of 34.9 fs/pixels. The streak camera also measures changes in the relative time of arrival between the laser and ele...

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Veröffentlicht in:Review of scientific instruments 2017-06, Vol.88 (6), p.063305-063305
Hauptverfasser: Zandi, O., Wilkin, K. J., Centurion, M.
Format: Artikel
Sprache:eng
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Cameras
Electron beams
Electron pulses
Femtosecond pulses
Lasers
Pulse duration
Scientific apparatus & instruments
Streak cameras
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Wilkin, K. J.
Centurion, M.
description A laser-activated streak camera was built to measure the duration of femtosecond electron pulses. The streak velocity of the device is 1.89 mrad/ps, which corresponds to a sensitivity of 34.9 fs/pixels. The streak camera also measures changes in the relative time of arrival between the laser and electron pulses with a resolution of 70 fs RMS. A full circuit analysis of the structure is presented to describe the streaking field and the general behavior of the device. We have developed a general mathematical model to analyze the streaked images. The model provides an accurate method to extract the pulse duration based on the changes of the electron beam profile when the streaking field is applied.
doi_str_mv 10.1063/1.4985008
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subjects Cameras
Electron beams
Electron pulses
Femtosecond pulses
Lasers
Pulse duration
Scientific apparatus & instruments
Streak cameras
title Implementation and modeling of a femtosecond laser-activated streak camera
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