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Pjezoelektrinių virpesių slopinimo Pokelso narveliuose tyrimas

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G_Sinkevicius_Disertacija.pdf (4.867Mb)
Date
2021
Author
Sinkevičius, Giedrius
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Abstract
Disertacijoje atliekami tyrimai ir siūlomi sprendimai, skirti Pokelso narvelių optinio kontrasto didinimui, slopinant pjezoelektrinius virpesius sukeliamus aukštos įtampos impulsų, kuriais yra valdomas narvelis. Eksperimentiškai ištirta Pokelso narvelių optinio kontrasto priklausomybė nuo aukštos įtampos impulsų trukmės ir dažnio. Aptikti rezonansiniai dažniai ir ištirtas akustinių bangų sklidimas Pokelso narvelio kristale. Pasiūlytas aktyvusis pjezoelektrinių virpesių slopinimo metodas ir sukurtas aukštos įtampos aukšto dažnio impulsų generatorius šiam metodui realizuoti.
 
The dissertation conducts research and proposes solutions to increase the optical contrast of Pockels cells by suppressing the piezoelectric ringing caused by the high voltage pulses, which are used for the control of the cell. The dependence of the optical contrast of Pockels cells on the duration and frequency of high voltage pulses was investigated experimentally. Resonant frequencies were detected and the propagation of acoustic waves in the Pockels cell crystal was investigated. An active piezoelectric oscillation suppression method is proposed and a high voltage high frequency pulse generator is developed to implement this method.
 
Issue date (year)
2021
URI
https://etalpykla.vilniustech.lt/handle/123456789/107064
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  • Daktaro disertacijos ir jų santraukos / Doctoral dissertations and their summaries [1724]

 

 

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