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ADAPTIVE OPTICAL ELEMENTS BASED
Theoretical Calculation and Experimental Measurement
Properties of Atmospheric Pressure C02 Laser
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active element Adaptive Optics amplifier stage amplitude angle aperture Apodized Diaphragms astigmatism axis calculated cavity correctors cross-section crystals curve damage threshold determined diameter directional pattern distance distortion measurement distribution period divergence edge electron energy density exit fabricated field distribution field intensity distribution film mirror fluorite focal length Fresnel diffraction FTIR soft diaphragms glass laser installation grating harmonics high-power laser imaging plane induced absorption inhomogeneous ionizing radiation irradiation laser beam laser radiation laser systems layer Lebedev Physics Institute lens light beam mask measurement accuracy measurement scheme medium mirror surface neodymium glass neodymium glass laser nonuniformities normal deviation nozzle obtain optical quality photographic plate pulse radius of curvature recording plane refractive index rotating self-focusing shadowgraph shift shown in Figure spatial filter specimen spherical spot stretching frame substrate Talbogram Talbot method technique thickness tion total internal reflection transmission profile wave wavefront distortion wavefront tilts wavelength