New diffraction-limited laser systems with variable output parameters operating in visible spectral range on copper atomic transitions for advanced material micromachining

Kostadinov, I K; Temelkov, K A; Shehadi, M; Slaveeva, S I; Yankov, G P

doi:10.1088/1742-6596/2710/1/012015

J. Phys.: Conf. Ser.

2024

DOI: 10.1088/1742-6596/2710/1/012015

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New diffraction-limited laser systems with variable output parameters operating in visible spectral range on copper atomic transitions for advanced material micromachining

I K Kostadinov,

K A Temelkov,

M Shehadi

et al.

Abstract: New considerably improved laser systems (LS) featuring beam propagation factor equal to unit, two different laser pulse durations and an average output power from several tens of Watts up to 50 W are reported. Micron-sized machining is also demonstrated.

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Contribution of ASE in the MOPA system output signal

Trigub,

Vasnev

2024

Preprint

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The paper is devoted to research the contribution of ASE in the MOPA system output signal and time dependence of the signal-to-noise ratio. The results demonstrate how the output signal depends on time delay between ASE of power amplifier and laser radiation of master oscillator. The time delay (td) varied over the wide range (‒36; +24) ns, where «+» sign that the input signal enters the quantum amplifier (power amplifier) before the formation of its ASE. The light waveforms (ASE, input signal, output signal) and power dependencies are presented. The contribution of ASE in each case is determined. The results allow to estimate the signal-to-noise ratio. The maximal value of the output radiation power was 3,87 W at time delay td = + 4.7 ns, when the first maximum of input signal is approximately consistent with the ASE front.

show abstract

Contribution of ASE in the MOPA system output signal

Trigub,

Vasnev

2024

Preprint

View full text Add to dashboard Cite

show abstract

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New diffraction-limited laser systems with variable output parameters operating in visible spectral range on copper atomic transitions for advanced material micromachining

Abstract: New considerably improved laser systems (LS) featuring beam propagation factor equal to unit, two different laser pulse durations and an average output power from several tens of Watts up to 50 W are reported. Micron-sized machining is also demonstrated.

Cited by 1 publication

References 10 publications

Contribution of ASE in the MOPA system output signal

Contribution of ASE in the MOPA system output signal

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