Analysis of the scalability of diffraction-limited fiber lasers and amplifiers to high average power.
By J. Dawson, M. Messerly, R. Beach, M. Shverdin, E. Stappaerts, A. Sridharan, P. Pax, J. Heebner, C. Siders, C. Barty. Optics Express, 2008
656 citations recorded by the source corpus.
We analyze the scalability of diffraction-limited fiber lasers considering thermal, non-linear, damage and pump coupling limits as well as fiber mode field diameter (MFD) restrictions. We derive new general relationships based upon practical considerations. Our analysis shows that if the fiber's MFD could be increased arbitrarily, 36 kW of power could be obtained with diffraction-limited quality from a fiber laser or amplifier. This power limit is determined by thermal and non-linear limits that combine to prevent further power scaling, irrespective of increases in mode size. However, limits to the scaling of the MFD may restrict fiber lasers to lower output powers.
Subfields: Atomic and Molecular Physics, and Optics, Electrical and Electronic Engineering
View Paper: https://www.semanticscholar.org/paper/b8321b4e3447770e69ecbad4c7c7d0d71540389b
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In Atomic and Molecular Physics, and Optics
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Citations in the corpus
- Neutron Star Extreme Matter Observatory: A kilohertz-band gravitational-wave detector in the global network (2020, background): “Fortunately, the thresholds of non-linear processes that limit the maximum power level of single-frequency fibre lasers increase faster than the wavelength squared (Dawson et al. 2008), implying it is likely that the 500W of power required for a NEMO will be demonstrated in the near future.”
- High Power Fiber Lasers: A Review (2014, background): “This power limit is imposed primarily by thermal and SRS effects, and does not take into account modal instability effects, which can reduce it considerably [180].”