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DEVICE FOR AMPLIFYING A LASER BEAM WITH SUPRESSION OF TRANSVERSE LASING
DEVICE FOR AMPLIFYING A LASER BEAM WITH SUPRESSION OF TRANSVERSE LASING
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机译：抑制横向激光放大的激光束的装置
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摘要
A device for amplifying a laser beam along an axis comprises: an amplifying bar structure of index nc, delimited by a surface connecting the input and output faces of the structure, having a dimension e along the axis and along a perpendicular direction, with e, and intended to be pumped to become a gain medium with a maximum along a face, and a liquid of index nA which surrounds the structure in relation to its surface and which is absorbent or scattering at the fluorescence wavelength of the amplifying bar structure. The surface comprises a first tooth in the form of a chamfer at its junction with the maximum gain face, to avoid causing parasitic transverse lasing and the liquid of index nA has a heat capacity of greater than 3000 Joules per kilogram per K° to dissipate the thermal power induced by the pumping.
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