Achromatic And Sharp Focussing Of Laser Beams By Aspherics

Gunter Schulz

doi:10.1117/12.942433

18 January 1985 Achromatic And Sharp Focussing Of Laser Beams By Aspherics

Gunter Schulz

Proceedings Volume 0473, Symposium Optika '84; (1985) https://doi.org/10.1117/12.942433
Event: Symposium Optika '84, 1984, Budapest, Hungary

Abstract

By two aspheric refracting surfaces, a two-wavelength laser beam can be focussed sharply at one axial point, that is, achromatically and without any spherical aberration. The focussing system may consist of a single lens (then one aspheric is conical at the axis) or of two single lenses with normal aspherics. The design principles for such systems are dealt with and examples of results are shown.

Citation Download Citation

Gunter Schulz "Achromatic And Sharp Focussing Of Laser Beams By Aspherics", Proc. SPIE 0473, Symposium Optika '84, (18 January 1985); https://doi.org/10.1117/12.942433

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