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专利名称：DIODE LASER COMPRISING AN OPTICAL
DEVICE FOR INCREASING THE BEAMDENSITY OF AN OUTPUT LASER BEAMEMITTED BY SAID LASER
发明人：KOEHLER, BERND,BIESENBACH, JENS,HAAG,
MATTHIAS
申请号：EP05775011.9申请日：20050803公开号：EP1779482A1公开日：20070502
摘要：The invention relates to a diode laser containing an optical device (10) which isused to increase the beam density of an output laser beam (12) which is emitted by saidlaser to the place of an object (16), said laser being made of a plurality of partial beams(8(1), 8(2), ... 8(n)) which are produced by a plurality of diode laser elements (2(1), 2(2), ...2(n)). The optical device (10) is arranged downstream from the diode laser elements (2(1),2(2), ... 2(n)) and contains a first Bragg grating volume (18) which only reflects a spectralregion (λB(1), ΔλB(l), … λB(2), ΔλB(2), λB(n), ΔλB(n)) of the partial beams (8(1), 8(2), ... 8(n))emitted by the diode laser elements (2(1), 2(2), ... 2(n)), in the respective diode laserelement (2(1), 2(2), ... 2(n)) and only transmits the predominant part of said spectral region(λB(1), ΔλB(l), … λB(2), ΔλB(2), … λB(n), ΔλB(n)). The average wave lengths (λB(1), λB(2), ...λB(n)) of the different partial beams (8(1), 8(2), ... 8(n)), which are respectively filtered fromspectral regions (λB(1), ΔλB(1), … λB(2), ΔλB(2), λB(n), ΔλB(n)), are different from eachother. The transmitted partial beams (8(1), 8(2), 8(n)) are superimposed in a collinear
manner by the first Bragg grating volume (18) in the output laser beam, by means of asecond grating (24).
申请人：DILAS DIODENLASER GMBH
地址：Galileo-Galilei-Strasse 10 55129 Mainz DE
国籍：DE
代理机构：Mörtel & Höfner
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