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Fast optical shuttering and wavelength selection in copper vapor lasers and copper bromide lasers by intracavity polychromatic acoustooptic modulation

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4 Author(s)
Sabotinov, O. ; Bulgarian Acad. of Sci., Sofia, Bulgaria ; Minkovski, N. ; Stoykova, E. ; Salimbeni, Renzo

We propose a fast effective intracavity technique for optical shuttering and wavelength selection in copper vapor lasers and copper bromide lasers by inserting a polychromatic acoustooptic modulator in a low-intensity section of a classical negative branch unstable resonator. Single-pulse or multiple-pulse operation in one- or two-wavelength emission was achieved in a CuBr laser system. The spatial distributions of the output laser beam as recorded by a CCD camera showed neither power losses nor worsening of the beam quality in comparison with the classical scheme without the modulator. The laser output was characterized with a high degree of linear polarization.

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Quantum Electronics, IEEE Journal of  (Volume:41 ,  Issue: 1 )