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

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5 Author(s)
Villarreal, F.J. ; Dept. of Phys., Heriot-Watt Univ., Edinburgh, UK ; Baker, H.J. ; Abram, R.H. ; Jones, D.R.
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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

Published in:

Quantum Electronics, IEEE Journal of  (Volume:35 ,  Issue: 3 )

Date of Publication:

Mar 1999

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