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Title: Improve energy distribution and beam quality of CO2 waveguide laser array by phase-matched plate
Authors: Ho, Chien-Wa
Chang, Ruey-Shyan
Lin, Chern-Sheng
Shaw, Sen-Yen
Keywords: Beam quality;Phase-matched plate;Phase-matched plate;Waveguide laser array
Issue Date: Jun-2006
Publisher: CSIR
IPC Code: H01P, H01S
Abstract: According to the theorem proposed herein, if we put a phase-matched plate at the near-field of CO2 laser array, it can restrain the far-field off-axis lobes output energy of laser beam. In addition, we use the parameter M2x to evaluate the laser beam quality. In this paper, when a phase-matched plate is used to near-field, energy can centralize to 92.92%, and the beam quality M2x of far-field is 5.63. The phase-matched plate not only can centralize energy more efficiently but also can improve the beam quality quite substantially.
Page(s): 431-434
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Appears in Collections:IJPAP Vol.44(06) [June 2006]

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