Anamorphic Shaping of Laser Beams
(PresseBox) - Anamorphic beam shaping optics are used to transform elliptical laser beams to a round shape - for example before coupling them to single mode optical fibers. Conversely, there are cases where originally round laser beams need to be transformed into an elliptical shape.
Schrrations of both lenses cancel each other resulting in an overall diffraction limited design.
The anamorphic beam shaping optics series 5AN, is commercially available with aspect ratios ranging from 1:1.6 to 1:3 and for 390nm to 1800 nm. Typical applications are fiber coupling of beams from laser diodes or tapered amplifiers with aspect-ratios up to 1:3.
For two-dimensional magneto-optical traps (2D-MOTs) or in mirror magneto-optical traps, an elliptical shape of the laser is preferred. The laser beams used in these experiments often have a round shape, e.g., because they are originating from a singlemode fiber. In this case anamorphic beam shaping is used to generate the required elliptical beam shape.
Specialized fiber collimators are available which combine a fiber collimator, an anamorphic beam shaping optics 5AN and a beam expander to generate a large beam with elliptical cross-section.
An article on the details of anamorphic beam shaping can be found in PhotonicsViews 3/19 (WILEY-VCH Verlag)
Schems, laser sources, beam-shaping optics and fiber-optic components, including laser beam couplers, fiber collimators and fiber port clusters for customers worldwide.
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Schäfter+Kirchhoff has accumulated substantial experience in the development of opto-mechanical and opto-electronic systems for use in research, aviation and in space, as well as for demanding medical and industrial applications. Schäfter+Kirchhoff designs and manufactures their line scan camera systems, laser sources, beam-shaping optics and fiber-optic components, including laser beam couplers, fiber collimators and fiber port clusters for customers worldwide.For further information contact:Schäfter+Kirchhoff GmbH Kieler Str. 212 D-22525 Hamburg www.SuKHamburg.com info(at)SuKHamburg.de
Datum: 29.05.2019 - 11:07 Uhr
Sprache: Deutsch
News-ID 1549491
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