The influence of angstrom-scale roughness on the laser-induced damage threshold of single-crystal ZnGeP2

Magnetorheological processing was applied to polish the working surfaces of single-crystal ZnGeP2, in which a non-aqueous liquid with the magnetic particles of carbonyl iron with the addition of nanodiamonds was used. Samples of a single-crystal ZnGeP2 with an Angstrom level of surface roughness wer...

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Bibliographic Details
Published in:Crystals Vol. 12, № 1. P. 83 (1-12)
Other Authors: Yudin, Nikolay A., Khudoley, Andrei, Zinoviev, Mikhail M., Podzyvalov, Sergey N., Slyunko, Elena S., Zhuravleva, Elena V., Kulesh, Maksim M., Gorodkin, Gennadij, Kumeysha, Pavel, Antipov, Oleg L.
Format: Article
Language:English
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Online Access:http://vital.lib.tsu.ru/vital/access/manager/Repository/koha:001004090
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245 1 4 |a The influence of angstrom-scale roughness on the laser-induced damage threshold of single-crystal ZnGeP2  |c N. A. Yudin, A. Khudoley, M. M. Zinoviev [et al.] 
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520 3 |a Magnetorheological processing was applied to polish the working surfaces of single-crystal ZnGeP2, in which a non-aqueous liquid with the magnetic particles of carbonyl iron with the addition of nanodiamonds was used. Samples of a single-crystal ZnGeP2 with an Angstrom level of surface roughness were received. The use of magnetorheological polish allowed the more accurate characterization of the possible structural defects that emerged on the surface of a single crystal and had a size of ~0.5-1.5 mu m. The laser-induced damage threshold (LIDT) value at the indicated orders of magnitude of the surface roughness parameters was determined not by the quality of polishing, but by the number of point depressions caused by the physical limitations of the structural configuration of the crystal volume. These results are in good agreement with the assumption made about a significant effect of the concentration of dislocations in a ZnGeP2 crystal on LIDT. 
653 |a порог лазерно-индуцированного повреждения 
653 |a магнитореологическая обработка 
653 |a нелинейные кристаллы 
653 |a дифосфид цинка-германия 
653 |a шероховатость 
655 4 |a статьи в журналах  |9 890002 
700 1 |a Yudin, Nikolay A.  |9 488030 
700 1 |a Khudoley, Andrei  |9 484913 
700 1 |a Zinoviev, Mikhail M.  |9 103962 
700 1 |a Podzyvalov, Sergey N.  |9 510295 
700 1 |a Slyunko, Elena S.  |9 801794 
700 1 |a Zhuravleva, Elena V.  |9 890003 
700 1 |a Kulesh, Maksim M.  |9 878434 
700 1 |a Gorodkin, Gennadij  |9 890004 
700 1 |a Kumeysha, Pavel  |9 890005 
700 1 |a Antipov, Oleg L.  |9 801790 
773 0 |t Crystals  |d 2022  |g Vol. 12, № 1. P. 83 (1-12)  |x 2073-4352 
852 4 |a RU-ToGU 
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