Laser-induced microplasma as a tool for microstructuring transparent media

Veiko, Vadim P.; Volkov, S. A.; Zakoldaev, R. A.; Sergeev, M. M.; Samokhvalov, A. A.; Kostyuk, G. K.; Milyaev, K. A.

doi:10.1070/qel16377

Cited by 26 publications

(8 citation statements)

References 2 publications

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“…As a result of laser plasma generation, a plasma plume is formed at the glass-target interface, (Figure 1a). Plasma plume consists of partially ionized carbon and oxygen atoms with a thermodynamic temperature ~10,000 K [4]. In the absence of free space for expansion, the plasma begins to thermally act on the glass surface initiating the etching process in the affected area.…”

Section: Resultsmentioning

confidence: 99%

Properties and focusing conditions of laser microplasma for glass structuring

Rymkevich

Sergeev

Zakoldaev

et al. 2020

Proceedings of 1st International Electronic Conference on Applied Sciences

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Currently, there is an increased interest among scientists in laser-induced methods (LIPAA, LIBDE, LIMP) for optical materials processing. The plume is formed due to the interaction of laser radiation transmitted through the glass sample with an absorbing target. In particular, laserinduced microplasma (LIMP) glass processing method development is realized by a plasma plume action arising at the interface of a carbon-based target and an optically transparent sample. Basically, the plasma plume can be considered as a spot tool that forms micro and nano-dimensional relief on the sample surface. This tool is needed to be investigated in the following way: geometry, divergence, and temperature. Detailed knowledge of these characteristics will improve the processing results. Here, we report on a detailed experimental study of glass processing by LIMP.

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Section: Resultsmentioning

confidence: 99%

Properties and focusing conditions of laser microplasma for glass structuring

Rymkevich

Sergeev

Zakoldaev

et al. 2020

Proceedings of 1st International Electronic Conference on Applied Sciences

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“…Recently, we have proposed a technology for fabrication OEs for various purposes on optical amorphous materials by the laser-induced microplasma (LIMP) etching [35], [36]. The essence of this technology can be summarized as follows.…”

Section: Choice Of Svr Fabrication Technologymentioning

confidence: 99%

“…The LIMP etching has your disadvantages and bottlenecks as all techniques of laser-induced plasma-assisted processing of transparent materials (for example, LIPAA [37], LIBWE [38], LIBDE [39] and etc). Several of ones are the use of laser beam absorber for initiation of plasma, the high influence of plasma parameters on the quality of surface processing [36], the low resolution in the plane of etching at the compared of photolithography, the additional removal of carbon-like products on the next step after laser writing of OEs [40]. However, such technology of fast fabrication of different OEs is very effective for scientific laboratories and small fabrications.…”

Section: Choice Of Svr Fabrication Technologymentioning

confidence: 99%

“…However, such technology of fast fabrication of different OEs is very effective for scientific laboratories and small fabrications. The effectivity processing of transparent materials (with amorphous and crystalline structure) by LIMP was studied in the past [35], [36], [41]. This technology was successfully used to create a wide class of OEs [35] and recently it was tested in the fabrication of a random phase plate (RPP) on Iceland spar (uniaxial CaCO 3 crystal) plate [41].…”

Section: Choice Of Svr Fabrication Technologymentioning

confidence: 99%

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Rapid fabrication of Spiral Varying Retarder for Using in Simple Schemes of Generating Radial and Azimuthal Vector Optical Fields

et al. 2019

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In this paper, the simple, reliable and efficient fabrication technology of spiral varying retarder (SVR) on Iceland spar for generating radially and azimuthally polarized beams from linearly polarized Gaussian beam for λ = 632.8 nm is shown. The SVR which consists of 20 sectors was made by laser-induced microplasma processing on plate area of 10 × 10 mm 2 in less than 7 minutes. When placing the SVR between two quarter wave plates with orthogonal fast axes the registration of typical images of intensity distribution in the far field in four analyzer positions (0°, 45°, 90°, 135°) confirmed the SVR's ability to generate radially polarized vector optical field. It was also shown that the placing of a half-wave plate, the fast axis of which is oriented at 45°relative to the direction of x axis, allows to create an azimuthally polarized vector optical field.

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“…Laser ablation in liquid (LAL) is important for many technological applications listed in the recent reviews [1,2] and papers [3,4,5,6,7,8]. Another important direction of industrial applications is connected with laser shock peening (LSP) [9,10,11,12,13]. Theoretical analysis of LSP is related to the analysis of laser initiated shock waves.…”

Section: Introductionmentioning

confidence: 99%

Laser ablation in liquid: bridge from a plasma stage to bubble formation

Inogamov¹,

Хохлов²,

Petrov³

et al. 2019

Preprint

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Laser ablation through liquid is an important process that have to be studied for applications which use laser ablation in liquid (LAL) and laser shock peening (LSP). LAL is employed for production of suspensions of nanoparticles, while LSP is applied to increase hardness and fatique/corrosion resistance properties of a surface layer. A bubble appears in liquid around the laser spot focused at a target surface after strong enough laser pulse. In the paper we connect the early quasi-plane heated layer created by a pulse in liquid and the bubble forming at much later stages. In the previous works these early stage from one side and the late stage from another side existed mainly as independent entities. At least, quantitative links between them were unknown. We consider how the quasi-plane heated layer of liquid forms thank to thermal conduction, how gradually conduction becomes weaker, and how the heated layer of liquid nearly adiabatically expands to few orders of magnitude in volume during the drop of pressure. Our molecular dynamics simulations show that the heated layer is filled by the diffusive atomic metal-liquid mixture. Metal atoms began to condense into nanoparticles (NP) when they meet cold liquid outside the edge of a mixing zone.

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Laser-induced microplasma as a tool for microstructuring transparent media

Cited by 26 publications

References 2 publications

Properties and focusing conditions of laser microplasma for glass structuring

Properties and focusing conditions of laser microplasma for glass structuring

Rapid fabrication of Spiral Varying Retarder for Using in Simple Schemes of Generating Radial and Azimuthal Vector Optical Fields

Laser ablation in liquid: bridge from a plasma stage to bubble formation

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