Picosecond-laser-pulse-duration measurements with a low-light-level electro-optic two-photon fluorescence technique

By combining a self-scanned photodiode array and image intensification, a two-photon fluorescent (TPF) pattern has been recorded on-line for single mode-locked Nd-glass laser pulses. Ultrashort-pulse-duration measurements from the TPF readout were obtained on pulse energies as low as 200 μJ. At thes...

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Bibliographic Details
Published in:Journal of applied physics 1978-11, Vol.49 (11), p.5669-5671
Main Authors: Taboada, J., Venable, D. D.
Format: Article
Language:English
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Summary:By combining a self-scanned photodiode array and image intensification, a two-photon fluorescent (TPF) pattern has been recorded on-line for single mode-locked Nd-glass laser pulses. Ultrashort-pulse-duration measurements from the TPF readout were obtained on pulse energies as low as 200 μJ. At these low intensities, the TPF peak-to-background ratio was observed to be close to the ideal value of 3 within experimental error for early pulses in the train. Significant reduction from the ideal peak-to-background ratio was observed for pulses approaching 1 mJ.
ISSN:0021-8979
1089-7550
DOI:10.1063/1.324491