Optical fibre bundle laser system - has fibre bundle and subsystem containing parallel working semiconducting laser units, all operating with same wavelength and in phase stable manner using master laser beam coupled into them

摘要

The system has a fibre bundle of single mode fibres with a first fibre bundle end at which an overall radiation field is formed by the emanating laser beam. An image of the field is formed on a target surface. The second fibre bundle end is coupled to a laser beam generating subsystem contg. at least one semiconducting laser. The subsystem (18) contains a number of parallel working semiconducting laser units (102), all operating with the same wavelength and in phase stable manner using a master laser beam coupled into them. The individual laser beams emanating from the individual units in a subsystem are combined in a coupler to a coherent laser radiation field which can be coupled into the single mode fibres (20).