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“Бiлий суперконтинуум” i “конiчна емiсiя” випромiнювання фемтосекундних фiламентiв у середовищах з подвiйним променезаломленням

“Бiлий суперконтинуум” i “конiчна емiсiя” випромiнювання фемтосекундних фiламентiв у середовищах з подвiйним променезаломленням

The observation of the polarization features of the “white supercontinuum” type and the “conical emission” of femtosecond laser filaments in quartz and sapphire is reported. The features are caused by the positive and negative birefringences of quartz and sapphire. The polarization directions of “wh...

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Bibliographic Details
Main Authors: Blonskyi, I., Kadan, V., Rybak, A., Korenyuk, P.
Format: Article
Language:English
Ukrainian
Published: Publishing house "Academperiodika" 2019
Subjects:
фiламентацiя
фемтосекундний
конiчна емiсiя
групова швидкiсть
подвiйне променезаломлення
filamentation
femtosecond filament
conical emission
group velocity
birefringence
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Online Access:https://ujp.bitp.kiev.ua/index.php/ujp/article/view/2019023
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Summary:The observation of the polarization features of the “white supercontinuum” type and the “conical emission” of femtosecond laser filaments in quartz and sapphire is reported. The features are caused by the positive and negative birefringences of quartz and sapphire. The polarization directions of “white supercontinuum” and “conical emission” are mutually normal as a result of the difference between the group velocities of the ordinary and extraordinary rays. A physical mechanism of conical emission, which explains the features of its polarization, has been proposed.

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