Imaging techniques with refractive beam shaping optics

Alexander Laskin; Vadim Laskin

doi:10.1117/12.930284

15 October 2012 Imaging techniques with refractive beam shaping optics

Alexander Laskin, Vadim Laskin

Proceedings Volume 8490, Laser Beam Shaping XIII; 84900J (2012) https://doi.org/10.1117/12.930284
Event: SPIE Optical Engineering + Applications, 2012, San Diego, California, United States

Abstract

Applying of the refractive beam shapers in real research optical setups as well as in industrial installations requires very often manipulation of a final laser spot size. In many cases this task can be easily solved by using various imaging optical layouts presuming creating an image of a beam shaper output aperture. Due to the unique features of the refractive beam shapers of field mapping type, like flat wave front and low divergence of the collimated resulting beam with flattop or another intensity profile, there is a freedom in building of various imaging systems with using ordinary optical components, including off-the-shelf ones. There will be considered optical layouts providing high, up to 1/200×, de-magnifying factors, combining of refractive beam shapers like πShaper with scanning systems, building of relay imaging systems with extended depth of field. These optical layouts are widely used in such laser technologies like drilling holes in PCB, welding, various micromachining techniques with galvo-mirror scanning, interferometry and holography, various SLM-based applications. Examples of real implementations and experimental results will be presented as well.

Citation Download Citation

Alexander Laskin and Vadim Laskin "Imaging techniques with refractive beam shaping optics", Proc. SPIE 8490, Laser Beam Shaping XIII, 84900J (15 October 2012); https://doi.org/10.1117/12.930284

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