Laser modification of PbSe chalcogenide films via LIPSS formation
DOI:
https://doi.org/10.33910/2687-153X-2025-6-2-87-92Keywords:
PbSe films, laser modification, optical characteristics, nanosecond laser pulses, laser-induced periodic surface structures (LIPSS)Abstract
The study investigates the laser modification of lead selenide (PbSe) chalcogenide films with the formation of laser-induced periodic surface structures (LIPSS). These modifications are crucial for enhancing the sensitivity of gas analyzers, particularly in detecting hazardous gases in various industries. The use of nanosecond laser pulses for film processing offers improved productivity, better reproducibility, and greater control over optical properties compared to conventional furnace annealing techniques. The formation of LIPSS under specific laser irradiation conditions leads to changes in the film’s optical characteristics, including increased absorption in the infrared (IR) range. Additionally, the study examines the dependence of the periodicity of these structures on the power density of the applied laser radiation. The findings highlight the potential of laser modification for creating new optical properties and developing innovative photonics devices.
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Copyright (c) 2025 Arthur D. Dolgopolov, Anastasiia A. Olkhova, Maksim M. Sergeev, Pavel P. Omelchenko, Bogdan G. Shulga, Mikhail К. Moskvin, Alina A. Patrikeeva, Vladislav R. Gresko
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