Wavelength- and magnification adaptive beam expansion with one set of components

U. Fuchs; S. Wickenhagen

doi:10.1117/12.2079233

9 March 2015 Wavelength- and magnification adaptive beam expansion with one set of components

U. Fuchs, S. Wickenhagen

Proceedings Volume 9356, High-Power Laser Materials Processing: Lasers, Beam Delivery, Diagnostics, and Applications IV; 935605 (2015) https://doi.org/10.1117/12.2079233
Event: SPIE LASE, 2015, San Francisco, California, United States

Abstract

Monolithic beam expansion elements, which can be used as a cascade and achieve construction lengths much smaller than those of conventional systems are presented. Furthermore, this system is diffraction-limited, and offers a high level of flexibility and continuous extensibility using new elements. The compensation for wavefront errors and divergence introduce by changing the wavelength away from the design wavelength is achieved by employing a new add-on element, which enables the use of monolithic beam expanders from 500nm to 1600nm. We will present experimental results on the diffraction limited performance for some typical combinations out of the 230 possible set-ups.

Citation Download Citation

U. Fuchs and S. Wickenhagen "Wavelength- and magnification adaptive beam expansion with one set of components", Proc. SPIE 9356, High-Power Laser Materials Processing: Lasers, Beam Delivery, Diagnostics, and Applications IV, 935605 (9 March 2015); https://doi.org/10.1117/12.2079233

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KEYWORDS

Wavefronts

Beam expanders

Chemical elements

Aspheric lenses

Telescopes

Diffraction

Lenses

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