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The article brings into focus the present state of technology employing active fibres doped with rare earth (RE) ions for applications requiring power supply of several dozen watts and broadband ASE sources. Current trends in development of glasses and in construction of active fibres used in fibre sources of radiation within VIS-NIR range are presented. Technological constraints in the doping of...
The supermode generation in a multicore optical fibre laser can be realised by phase-locking of radiation inside of the fibre. The model proposed by authors implies the achievement of supermode generation by exchanging radiation between the cores during the development of the laser action. The analysis of the impact of coupling value between the cores on phase radiation of particular emitters was...
In this paper the actual level of fiber lasers’ development is presented. There is also presented the analysis of technological and constructional conditions that limit energy parameters of those sources. Authors also show a construction and a technological work, conducted in Poland, which led to improving energy and exploit parameters of fiber lasers.
In this contribution an optical method of controlling the state of soft biological tissues in real time. exposed to laser radiation is discussed. The method is based on the assumption that the change dynamics of the amplitude of the scattered diagnostic radiation ([lambda] = 635 nm) is compatible with the change dynamics of the tissue inner structure exposed to the Nd:YAG laser radiation ([lambda]...
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