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High power laser interaction with single and double layer targets
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Title: High power laser interaction with single and double layer targets

Creator:

Borodziuk, Stefan ; Demchenko, Nikolay N. ; Gus’kov, Sergey Yu. ; Jungwirth, Karel ; Kalal, Milan ; Kasperczuk, Andrzej ; Kondrashov, Vladimir N. ; Kralikova, Bozena ; Krousky, Edward ; Limpouch, Jiri ; Masek, Karel ; Pisarczyk, Paweł ; Pisarczyk, Tadeusz ; Pfeifer, Miroslav ; Rohlena, Karel ; Rozanov, Vladislav B. ; Skala, Jiri ; Ullschmied, Jiri

Contributor:

Gaj, Miron. Redakcja ; Wilk, Ireneusz. Redakcja

Description:

Optica Applicata, Vol. 35, 2005, nr 2, s. 241-262

Abstrakt:

Results of extended complementary experimental and computer simulation studies of craters formation produced by high power lasers in single and double layer targets are presented. The experimental investigation was carried out using the PALS (Prague Asterix Laser System) facility working with two different laser beam wavelengths: l1 = 1.315 mm and l3 = 0.438 mm. Two types of targets made of Al were used: single massive targets and double targets consisting of foils or disks (6 and 11 mm thick for both cases) placed in front of the massive target at distances of 200 and 500 mm. The targets were illuminated by laser energies EL = 130, 240 and 390 J always focused with diameter of 250 mm. In all experiments performed the laser pulse duration was equal to 400 ps. The 3-frame interferometry was employed to investigate the plasma dynamics by means of the electron density distribution time development, as well as the disks and foil fragments velocity measurements. Dimensions and shapes of craters were obtained by crater replica technology and microscopy measurement. Experimental results were complemented by analytical theory and computer simulations to help their interpretation. This way the values of laser energy absorption coefficient, ablation loading efficiency and efficiency of energy transfer, as well as 2-D shock wave generation at the laser-driven macroparticle impact, were obtained from measured craters parameters for both wavelengths of laser radiation. Computer simulations allowed us to obtain an energy absorption balance of incident laser energy for both wavelengths employed.

Publisher:

Oficyna Wydawnicza Politechniki Wrocławskiej

Place of publication:

Wrocław

Date:

2005

Resource Type:

artykuł

Resource Identifier:

oai:dbc.wroc.pl:72589

Source:

<sygn. PWr A3481II> ; click here to follow the link ; click here to follow the link

Language:

eng

Relation:

Optica Applicata ; Optica Applicata, Vol. 35, 2005 ; Optica Applicata, Vol. 35, 2005, nr 2 ; Politechnika Wrocławska. Wydział Podstawowych Problemów Techniki

Rights:

Wszystkie prawa zastrzeżone (Copyright)

Access Rights:

Dla wszystkich w zakresie dozwolonego użytku

Location:

Politechnika Wrocławska

Group publication title:

Optica Applicata

Subject and keywords:

optyka laser produced plasma three-frame interferometry macroparticle single and double targets crater shock wave laser energy absorption

Object collections:

Last modified:

Aug 20, 2019

In our library since:

Aug 20, 2019

Number of object content hits:

46

All available object's versions:

https://dbc.wroc.pl./publication/140668

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Edition name Date
High power laser interaction with single and double layer targets Aug 20, 2019

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