Beam reformatting of one- and two- dimensional arrays of CO2 waveguide lasers

F. J. Villarreal, Howard John Baker, R. H. Abram, D R Jones, D. R. Hall

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)


The conversion of a linear to rectangular array beam is demonstrated for multi-element RF excited CO2 waveguide lasers using the two-mirror beam shaping technique introduced by Clarkson and Hanna. High efficiency conversion of a one-dimensional array into a rectangular array format has been achieved with the reformatting mirrors in the near-field and with no auxiliary optical elements. The brightness of a 2-kW 64-element two-dimensional array has been enhanced by a factor of 2 using a modified version of the reformatting technique to improve the fill factor of the array beam.

Original languageEnglish
Pages (from-to)267-272
Number of pages6
JournalIEEE Journal of Quantum Electronics
Issue number3
Publication statusPublished - Mar 1999


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