Efficient side lobe suppression of laser diode arrays

James R. Leger, Gary J. Swanson, Michael Holz

Research output: Contribution to journalArticlepeer-review

33 Scopus citations

Abstract

An optical technique is described which converts multilobed far-field patterns from in-phase laser arrays into a single-lobed pattern. The technique redistributes the output light from the laser array to produce a uniformly illuminated aperture. This filled aperture produces negligible side lobes, and efficiently channels the array power into the main lobe. Experiments performed on a ten-element Y-guide laser array show an increase in main lobe power from 51 to 90% of the total array power.

Original languageEnglish (US)
Pages (from-to)1044-1046
Number of pages3
JournalApplied Physics Letters
Volume50
Issue number16
DOIs
StatePublished - 1987

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