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Investigation of contrast ratio dependence on the angular deviation of the laser beam direction from the optical axis of Pockels cells based on the beta barium borate crystal

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Date
2019
Author
Sinkevičius, Giedrius
Baškys, Algirdas
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Abstract
Dependences of the contrast ratio on the angular deviation of the optical axis with a step of 2 arcmin 28 arcsec have been obtained for Pockels cells based on beta barium borate crystals in the 49 arcmin 34 arcsec range. The investigation was conducted for a single Pockels cell and for a double cell based on optically aligned crystals. The results of investigations can be applied for the calculation of the laser beam focus in order to use a high contrast ratio in high-power laser systems when the light is modulated using Q-switching.
 
Atliktas Pokelso narvelio su beta bario borato kristalu kontrasto priklausomybės nuo optinės ašies nuokrypio kampo tyrimas 2 arcmin 28 arcsec geba, 49 arcmin 34 arcsec diapazone. Taip pat atlikta Pokelso narvelio su vienu kristalu ir su dviem optiškai išstatytais kristalais lyginamoji kontrasto priklausomybės nuo nuokrypio kampo analizė. Tyrimų rezultatus galima pritaikyti skaičiuojant lazerio spindulio fokusą siekiant užtikrinti aukštą Pokelso narvelio kontrastą didelės galios lazerių sistemose.
 
Issue date (year)
2019
URI
https://etalpykla.vilniustech.lt/handle/123456789/140564
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  • Straipsniai Web of Science ir/ar Scopus referuojamuose leidiniuose / Articles in Web of Science and/or Scopus indexed sources [7946]

 

 

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