Title

Briefing: Beam reconstruction by iteration of an electromagnetic field with an induced nonlinearity gauge

Abstract

Measurement of the local intensity and phase distributions in the small focal waist of a laser beam with the use of a thin nonlinear-optical layer is discussed. We suggested and tested in a computer experiment the beam reconstruction by iteration of an electromagnetic field with an induced nonlinear gauge (BRIEFING) algorithm, which allows one to extract the absolute intensity (in watts per square centimeter) and phase distributions from two intensity patterns in the far-field zone: with and without nonlinearity. © 1997 Optical Society of America.

Publication Date

1-1-1997

Publication Title

Optics Letters

Volume

22

Issue

1

Number of Pages

22-24

Document Type

Article

Personal Identifier

scopus

DOI Link

https://doi.org/10.1364/OL.22.000022

Socpus ID

0348112852 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/0348112852

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