Image formation by beam shaping, design methods and applications

Brenner, Karl-Heinz

Document Type: Conference or workshop publication
Year of publication: 2001
Book title: Optoelectronic information processing : optics for information systems : proceedings of a conference held 28 - 30 May 2001, Vaència, Spain
The title of a journal, publication series: Critical Reviews of Optical Science and Technology
Volume: CR81
Page range: 1-12
Publisher: Réfrégier, Philippe
Place of publication: Bellingham, Wash.
Publishing house: SPIE Optical Engineering Press
ISBN: 0-8194-4123-6
Publication language: English
Institution: School of Business Informatics and Mathematics > Optoelektronik (Brenner 1999-2008)
Subject: 004 Computer science, internet
Keywords (English): beam shaping , laser diodes , refractive optics
Abstract: The task of transforming a given intensity distribution into a different, desired intensity distribution can be achieved either by diffractive optical elements or by beam shaping. The most essential difference between these two approaches is that with diffractive optics, the output amplitude results from a superposition of all contributions of the input plane, while in beam shaping there is a one-to-one correspondence between the Poynting-vectors in both planes. Consequently, beam shaping does not require temporal coherence. Applications of beam shaping are typically in the area of high power lasers, due to loss at the focusing lens. In the contribution, different techniques for designing beam shaping elements are discussed and an extention to analytic methods will be presented.

Dieser Eintrag ist Teil der Universitätsbibliographie.

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