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- W2065181881 abstract "Solid state lasers with high average output power in conjunction with high beam quality are required for high brightness applications in industry and science. In master oscillator power amplifier arrangements (MOPA) with phase conjugation the beam quality is determined by the master oscillator and largely preserved after double pass amplification. This paper deals with multi amplifier arrangements to cover a power range up to 1 kW. A serial arrangement reduces the required oscillator power to operate the amplifiers in saturation regime. Using optical systems between the amplifiers the average output power is tunable by variation of average pumping power. Several serial amplifier chains can be coupled parallel to divide the total average output power to various beam lines with moderate amplifier apertures. Different multi amplifier systems are discussed with regard to their possible average output power and beam quality. A flash lamp pumped MOPA system which supplies average output powers above 500 W is described. The system consists of two parallel coupled serial amplifier chains and two additional booster amplifiers. Beam quality and beam profile measurements have been carried out at different positions in the laser system. Average output powers up to 1 kW seem to be possible." @default.
- W2065181881 created "2016-06-24" @default.
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- W2065181881 date "1999-05-04" @default.
- W2065181881 modified "2023-10-03" @default.
- W2065181881 title "Multi-amplifier arrangements with phase conjugation for power scaling of solid state lasers with high beam qualtiy" @default.
- W2065181881 doi "https://doi.org/10.1117/12.347675" @default.
- W2065181881 hasPublicationYear "1999" @default.
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