13 May 1998 Mode control in annular resonators
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The problem of reaching diffraction divergence in annular lasers is extremely complex, and, at this time, is quite far from being solved. The following paper considers traditional attempts of solving this problem, based upon the usage of AXICON optics, as well as some of the newer ways. The three main approaches that will be looked at use resonator unstable in azimuthal direction, astigmatic transformation of annular cross section along with polarization, and the idea of coherent self-imaging in annular geometry.
© (1998) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Sergei Anikitchev, Sergei Anikitchev, } "Mode control in annular resonators", Proc. SPIE 3267, Laser Resonators, (13 May 1998); doi: 10.1117/12.308107; https://doi.org/10.1117/12.308107


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