LASER MULTIPLE-STAGE GENERATING-AMPLIFYING DEVICE Russian patent published in 1996 - IPC

FIELD: quantum electronics. SUBSTANCE: device has master oscillator with passive laser gate based on crystall of LiF:F-2

and subsequent amplifying stages. Crystal LiF:F-2 is mounted in laser resonant cavity for movement in direction that is perpendicular to optical axis of resonant cavity. Distribution of optical transmission of crystal along said direction is defined by following function f(x)=A-(A-B)X/l, where X is coordinate on crystal surface in direction that is perpendicular to optical axis of resonant cavity, 0≅ X≅ 1, A and B are maximal and minimal initial optical transmission of crystal for wavelength of laser light, l=(5-10)d is length of crystal working part, d is diameter of active cavity, l_o≥ l+d is total length of crystal. EFFECT: increased functional capabilities. 1 dwg