Diffraction-limited far-field pattern from an uncoupled AlGaAs laser array using high-efficiency diffractive microlenses.

James R. Leger, Miles E. Scott, Wilfrid B. Veldkamp

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

A novel technique is presented which uses an array of high-efficiency diffractive microlenses to expand the individual laser beams and uses diffractive coupling in an external cavity to provide the necesssary mutual coherence. The technique is applicable to both 1- and 2-D laser arrays. Experimental results are presented for a 1-D laser array consisting of seven gain-guided multiple-quantum-well lasers.

Original languageEnglish (US)
Title of host publicationCLEO 88 Conf Lasers Electro Opt 1988 Tech Dig Ser Vol 7
PublisherPubl by IEEE
ISBN (Print)155752033X
StatePublished - Dec 1 1988

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