Optical coatings for improving laser beam quality

Angela M. Piegari; Salvatore Scaglione; Gabriele Emiliani

doi:10.1117/12.141057

4 March 1993 Optical coatings for improving laser beam quality

Angela M. Piegari, Salvatore Scaglione, Gabriele Emiliani

Proceedings Volume 1782, Thin Films for Optical Systems; (1993) https://doi.org/10.1117/12.141057
Event: Optical Systems Design '92, 1992, Berlin, Germany

Abstract

Thin film coatings having a radially variable reflectance with a circular symmetry are used for obtaining diffraction limited laser beams from unstable resonators. Different approaches are used for the design of such coatings with a consequent different final coating structure that contains one or more profiled thickness layers. Some design methods are discussed with reference to reflected intensity and phase profiles and the fabrication techniques for coatings at different wavelengths are illustrated.

Citation Download Citation

Angela M. Piegari, Salvatore Scaglione, and Gabriele Emiliani "Optical coatings for improving laser beam quality", Proc. SPIE 1782, Thin Films for Optical Systems, (4 March 1993); https://doi.org/10.1117/12.141057

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