Achromatic refractive beam shaping optics for broad spectrum laser applications

Alexander Laskin

doi:10.1117/12.828521

21 August 2009 Achromatic refractive beam shaping optics for broad spectrum laser applications

Alexander Laskin

Proceedings Volume 7430, Laser Beam Shaping X; 743003 (2009) https://doi.org/10.1117/12.828521
Event: SPIE Optical Engineering + Applications, 2009, San Diego, California, United States

Abstract

The task of providing the same conditions of intensity profile transformation for a broad spectral bandwidth can be solved by refractive beam shaping optics with achromatic design. This solution is important for various scientific and industrial applications including confocal microscopy, biomedical fluorescence techniques, some industrial technologies and many tasks based on short pulse lasers where a bandwidth of up to hundreds of nm is to be provided. The design of achromatic refractive beam shapers is based on applying of materials of different dispersion characteristics and provides necessary intensity distribution transformation simultaneously for laser beams in wide spectral range. These achromatic beam shapers keep the resulting intensity distribution over a long distance, operate with collimated and divergent beams and provide easy adaptation to specifications of real lasers. This paper will describe some design examples of achromatic beam shapers optimized to be used with short pulse lasers like Ti:Sapphire or Yb:KGW ones in infrared and ultraviolet spectrum. There will be presented results of applying achromatic laser beam shapers with short pulse lasers in such applications as irradiating the cathode of Free Electron Lasers, processing of photovoltaic materials.

Citation Download Citation

Alexander Laskin "Achromatic refractive beam shaping optics for broad spectrum laser applications", Proc. SPIE 7430, Laser Beam Shaping X, 743003 (21 August 2009); https://doi.org/10.1117/12.828521

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