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- W2010545764 abstract "Force exerted on a micro-object by the focused laser beam can be as high as the gravity force acting on the object or even significantly higher. This implies that the laser light can be used to manipulate small objects (range size approximately 0.1 - 100 micrometer) within suitable immersion medium. This possibility is of a great practical importance, for example, for microbiology and molecular biology (manipulation with single living cells, cell organelles, chromosomes, etc.) as well as for micromachinery and other technical branches. We use a ray-optics-based model to determine the magnitude of forces exerted by laser light as the functions of laser beam, object and surrounding medium parameters. We study the influence of these parameters on total force in order to find the optimal parameter combination for the most effective manipulation. We have employed these theoretical results in practice and succeeded in building up a 3-D laser trap which we use to manipulate divinylbenzen spherical particles (10 - 35 micrometer sized) and also irregularly shaped living protozoa cells in water medium." @default.
- W2010545764 created "2016-06-24" @default.
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- W2010545764 date "1998-01-01" @default.
- W2010545764 modified "2023-09-23" @default.
- W2010545764 title "Manipulation of micro-objects by means of a focused laser beam" @default.
- W2010545764 doi "https://doi.org/10.1117/12.301324" @default.
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