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Polarization-dependent near-IR ultrashort-pulse laser ablation of natural diamond surfacesстатья
Статья опубликована в высокорейтинговом журнале
Статья опубликована в журнале из списка Web of Science и/или Scopus- Авторы: Krasin George K., Kovalev Michael S., Kudryashov Sergey I., Danilov Pavel A., Martovitskii Victor P., Gritsenko Iliya V., Podlesnykh Ivan M., Khmelnitskii Roman A., Kuzmin Evgeny V., Gulina Yulia S., Levchenko Alexey O.
- Журнал: Applied Surface Science
- Том: 595
- Год издания: 2022
- Издательство: Elsevier BV
- Местоположение издательства: Netherlands
- Первая страница: 153549
- DOI: 10.1016/j.apsusc.2022.153549
- Аннотация: Single-shot surface ablation of (001) and (111) oriented natural diamond plates was performed by tightly focused (numerical aperture NA = 0.65) 1030 nm 0.3-picosecond laser pulses with variable polarization azimuth. Surface craters were characterized by scanning electron microscopy in terms of characteristic ablation 1/e-radii and threshold fluences. Azimuthal polar dependences of the radii and threshold fluences exhibit distinct patterns, coinciding with specific crystallographic directions and corresponding bandgap widths in the Brillouin zone, and implying multiphoton-excitation seeding process. For comparison, anti-correlating azimuthal dependences were also observed in the bulk diamond for side-viewed A-band photoluminescence yield and forward non-linear transmittance.
- Добавил в систему: Данилов Павел Александрович