Title :
Reference-free focal spot optimization of a petawatt laser using adaptive optics
Author :
Eisenbarth, U. ; Brabetz, C. ; Lempa, C. ; Stoehlker, T. ; Bagnoud, V.
Author_Institution :
GSI Helmholtzzentrum fur Schwerionenforschung mbH, Darmstadt, Germany
Abstract :
A novel approach on wavefront correction using adaptive optics has been demonstrated at PHELIX. This reference-free method minimizes the focal spot size by taking advantage of the orthogonality of the underlying Zernike polynomials.
Keywords :
Zernike polynomials; adaptive optics; high-speed optical techniques; PHELIX; Zernike polynomials; adaptive optics; petawatt laser; reference-free focal spot optimization; wavefront correction; Adaptive optics; Laser beams; Measurement by laser beam; Mirrors; Optimization; Polynomials; Sensors;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2012 Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-4673-1839-6
