Optical characteristics of Nd:YAG optics and distortions at high power

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Lange de, Dirk F. and Hofman, Johannes T. and Meijer, Johan (2005) Optical characteristics of Nd:YAG optics and distortions at high power. In: International Conference on Applications of Lasers and Electro-optics, ICALEO'05, 31 Oct. – 3 Nov. 2005, Miami, USA.

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Abstract:The intensity profile and beam caustics of a fiber coupled high power Nd:YAG laser beam through a lens system are studied. The thermal lensing effect and its influence on the beam profile and focal position are discussed. Asymmetry of the intensity profile in planes above and below the focal plane is demonstrated. Also the influence of small pollutions on the protective window is explained. Three different methods are used to measure the occurrence
of thermal lensing and quantify these effects.
Item Type:Conference or Workshop Item
Faculty:
Engineering Technology (CTW)
Link to this item:http://purl.utwente.nl/publications/52901
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Metis ID: 224876