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Laser ultrananoablation of diamond free from generation of color centers
- Authors: Pashinin V.P1, Dezhkina M.A1, Kurochitsky N.D1, Ashikkalieva K.K.1, Kononenko T.V1, Kononenko V.V1, Konov V.I1
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Affiliations:
- Prokhorov General Physics Institute of the Russian Academy of Sciences
- Issue: Vol 525, No 1 (2025)
- Pages: 45-54
- Section: ФИЗИКА
- URL: https://ogarev-online.ru/2686-7400/article/view/375783
- DOI: https://doi.org/10.7868/S3034508125060069
- ID: 375783
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Abstract
The process of nanoablation of the diamond surface by UV laser pulses of nanosecond duration with a high repetition rate is investigated. Special attention is paid to the change of fluorescent properties of diamond in the irradiation zone. It was found that at a comparable etching rate (10–7...10–4 nm/pulse) irradiation by nanosecond pulses does not lead to the generation of color centers (in particular, NV centers) which are produced in significant quantities when exposed to femtosecond pulses. The features of ultrananoablation at low pressures are analyzed and a noticeable change in the optical properties of the diamond surface in the impact zone is noted for the first time, that is associated with the formation of a surface nanorelief and quasi-periodic structures (~100 nm).
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About the authors
V. P Pashinin
Prokhorov General Physics Institute of the Russian Academy of Sciences
Email: vppashinin@gmail.com
Moscow, Russian Federation
M. A Dezhkina
Prokhorov General Physics Institute of the Russian Academy of Sciences
Email: vppashinin@gmail.com
Moscow, Russian Federation
N. D Kurochitsky
Prokhorov General Physics Institute of the Russian Academy of Sciences
Email: vppashinin@gmail.com
Moscow, Russian Federation
K. Kh Ashikkalieva
Prokhorov General Physics Institute of the Russian Academy of Sciences
Email: vppashinin@gmail.com
Moscow, Russian Federation
T. V Kononenko
Prokhorov General Physics Institute of the Russian Academy of Sciences
Email: vppashinin@gmail.com
Moscow, Russian Federation
V. V Kononenko
Prokhorov General Physics Institute of the Russian Academy of Sciences
Email: vppashinin@gmail.com
Moscow, Russian Federation
V. I Konov
Prokhorov General Physics Institute of the Russian Academy of Sciences
Author for correspondence.
Email: vppashinin@gmail.com
Academician of the RAS
Moscow, Russian FederationReferences
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