Binary-optics miniature Talbot cavities for laser beam addition

J. R. Leger, M. P. Griswold

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

A miniature external cavity has been fabricated from a single 4.5 mm substrate for coherent beam addition of a linear AlGaAs laser array. Binary-optics elements are fabricated on the front surface for laser beam collimation and onto the back surface for lateral mode selection. Near-diffraction-limited performance has been observed with up to 80% of the far-field power contained in the central lobe.

Original languageEnglish (US)
Pages (from-to)4-6
Number of pages3
JournalApplied Physics Letters
Volume56
Issue number1
DOIs
StatePublished - Dec 1 1990

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