Control of laser radiation parameters
Coherent beam combining of 2-μm fibre lasers
P. Zhou, X. L. Wang, Y. X. Ma, K. Han, Z. J. Liu
College of Optoelectronic Science and Engineering, National University of Defense Technology, Changsha, Hunan, China
Coherent beam combining of 2-μm fibre lasers is studied numerically. Such lasers are a suitable candidate for creation of a beam combining module due to their higher nonlinear effect and optical damage threshold compared to their 1-μm counterparts. The calculations results show that radiation of a 1-μm fibre laser has a better focusing property in free-space due to a smaller wavelength, whereas a 2-μm laser beam has a better focusing capability in the target-plane under conditions of real atmospheric turbulence.
fibre laser, coherent combining of laser beams, laser beam focusing.
PDF file (526 kB)
Quantum Electronics, 2012, 42:3, 220–223
42.60.By, 42.55.Wd, 42.25.Kb
P. Zhou, X. L. Wang, Y. X. Ma, K. Han, Z. J. Liu, “Coherent beam combining of 2-μm fibre lasers”, Kvantovaya Elektronika, 42:3 (2012), 220–223 [Quantum Electron., 42:3 (2012), 220–223]
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