Adaptive shaping of a focused intense laser beam into a doughnut mode

Autor: O. Boyko, Constance Valentin, Ph. Balcou, Th. A. Planchon, P. Mercere
Přispěvatelé: Laboratoire d'optique appliquée (LOA), École Nationale Supérieure de Techniques Avancées (ENSTA Paris)-École polytechnique (X)-Centre National de la Recherche Scientifique (CNRS)
Jazyk: angličtina
Rok vydání: 2005
Předmět:
Zdroj: Optics Communications
Optics Communications, Elsevier, 2005, 246 (1-3), pp.131-140. ⟨10.1016/j.optcom.2004.10.064⟩
ISSN: 0030-4018
Popis: International audience; We present a method to shape the intensity distribution of an intense laser beam in the focal region, by means of a bimorph adaptive mirror. We emphasize the advantages in terms of flexibility with respect of previous methods making use of specially designed retarding phase plates; however, the nature of the mirror imposes constraints on the accessible wavefronts, whose consequences are analyzed. We present an experimental demonstration of the feasibility of the scheme on a high intensity femtosecond laser system.
Databáze: OpenAIRE