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Erschienen in:
1987 | OriginalPaper | Buchkapitel
Mode Coupling in Optical Fibres Used for Laser Spot Welding
verfasst von : K. Schildbach
Erschienen in: Laser/Optoelektronik in der Technik / Laser/Optoelectronics in Engineering
Verlag: Springer Berlin Heidelberg
Enthalten in: Professional Book Archive
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Beam handling via fibres facilitates laser spot welding in the electronics industry. However, it demands some insight into the optical transmission properties. One interesting aspect is the relation between the laser focusing angle and the exit angle of the laser light at the end of the fibre. Whereas in an ideal straight step index fibre this angular distribution would basically be preserved, it is usually broadened due to fibre bends.