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Laser beam profile shaping with interlaced binary diffraction gratings.

作者信息

Veldkamp W B

机构信息

MIT Lincoln Laboratory, P O Box 73, Lexington, Massachusetts 02173, USA.

出版信息

Appl Opt. 1982 Sep 1;21(17):3209-12. doi: 10.1364/AO.21.003209.

DOI:10.1364/AO.21.003209
PMID:20396205
Abstract

A new CO(2) laser beam profile shaper was designed and tested. With high-power efficiency, it transforms a fundamental mode laser beam profile into a flattop profile at a focal plane. The shaper uses an interlaced binary diffraction grating that modulates the E field both in phase and amplitude and generates an apodized and clipped sinc(x) distribution in the object plane.

摘要

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