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In materials science, direct laser interference patterning (DLIP) is a laser-based technology that uses the physical principle of interference of high-intensity coherent laser beams to produce functional periodic microstructures.[1][2] In order to obtain interference, the beam is divided by a beam splitter, special prisms,[3] or other elements. The beams are then folded together to form an interference pattern. Sufficiently high power of the laser beam can thus result in the removal of material at the interference maximums thanks to ablation phenomenon, leaving the material intact at the minimums. In this way, a repeatable pattern can be permanently fixed on the surface of a given material. DLIP can be applied to almost any material and can change the properties of surfaces in many technological areas with regard to electrical and optical properties,[4][5] tribology[6][7] (friction and wear), light absorption and wettability[8] (e.g., which can be related to hygienic properties).
^Yu, Fayou; Li, Ping; Shen, Hao; Mathur, Sanjay; Lehr, Claus-Michael; Bakowsky, Udo; Mücklich, Frank (2005-05-01). "Laser interference lithography as a new and efficient technique for micropatterning of biopolymer surface". Biomaterials. 26 (15): 2307–2312. doi:10.1016/j.biomaterials.2004.07.021. PMID 15585233.
^Czyż, Krzysztof; Marczak, Jan; Major, Roman; Mzyk, Aldona; Rycyk, Antoni; Sarzyński, Antoni; Strzelec, Marek (August 2016). "Selected laser methods for surface structuring of biocompatible diamond-like carbon layers". Diamond and Related Materials. 67: 26–40. Bibcode:2016DRM....67...26C. doi:10.1016/j.diamond.2016.01.013.
^Czyż, Krzysztof (2016-08-05). "The influence of surface topography elaborated by prism optics based laser interference modification on cell differentiation". Inżynieria Materiałowa. 1 (4): 10–16. doi:10.15199/28.2016.4.2.
^"Comparison of Structural Colors Achieved by Laser-Induced Periodic Surface Structures and Direct Laser Interference Patterning" (PDF). JLMN-Journal of Laser Micro/Nanoengineering. 15 (2). 2020.
^Grützmacher, Philipp (2019). Controlling friction by multi-scale surface patterning inside and outside the contact zone (doctoralThesis). Universität Des Saarlandes, Universität Des Saarlandes. Saarländische Universitäts- und Landesbibliothek. doi:10.22028/D291-29724.
^Gachot, Carsten (2012). Laser interference metallurgy of metallic surfaces for tribological applications (doctoralThesis). Universität Des Saarlandes, Universität Des Saarlandes. doi:10.22028/D291-22840.
^Raillard, Brice (2013). Design of steel surface and wetting properties by laser patterning (doctoralThesis). Universität Des Saarlandes, Universität Des Saarlandes. doi:10.22028/D291-22989.
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superposition principle. The resulting interferencepattern that is not directed back toward the source is typically directed to some type of photoelectric detector...
Solar Cells by Fabricating Periodic Surface Textures using DirectLaserInterferencePatterning". Advanced Materials. 24 (7): 906–910. Bibcode:2012AdM.....
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New Paradigm in Laser-Based Precision Measurement and Instrumentation“ Second Prize: Project Group DirectLaserInterferencePatterning (Frank Mücklich...
rarely, nanoimprinting, interference, magnetic fields, or scanning probes. On a broader level, it may compete with directed self-assembly of micro- and...
of lasers include laser printers and laser pointers. Lasers are used in medicine in areas such as bloodless surgery, laser eye surgery, and laser capture...
local laser and one distant laser by light interference. Comparison between the observed laser beam frequency (in return beam) and the local laser beam...
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ranging" or "laser imaging, detection, and ranging") is a method for determining ranges by targeting an object or a surface with a laser and measuring...
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The Laser Interferometer Gravitational-Wave Observatory (LIGO) is a large-scale physics experiment and observatory designed to detect cosmic gravitational...
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