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Article

Characterization of Laser Systems at 1550 nm Wavelength for Future Gravitational Wave Detectors

Max-Planck-Institut für Gravitationsphysik (Albert-Einstein-Institut) and Institut für Gravitationsphysik, Leibniz Universität Hannover, Callinstr. 38, 30167 Hannover, Germany
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Academic Editor: Antonio Ereditato
Instruments 2022, 6(1), 15; https://doi.org/10.3390/instruments6010015
Received: 20 January 2022 / Revised: 28 February 2022 / Accepted: 1 March 2022 / Published: 6 March 2022
The continuous improvement of current gravitational wave detectors (GWDs) and the preparations for next generation GWDs place high demands on their stabilized laser sources. Some of the laser sources need to operate at laser wavelengths between 1.5 μm and 2.2 μm to support future detectors based on cooled silicon test masses for thermal noise reduction. We present detailed characterizations of different commercial low power seed laser sources and power amplifiers at the wavelength of 1550 nm with respect to performance parameters needed in GWDs. A combination with the most complete set of actuators was arranged as a master-oscillator power amplifier (MOPA), integrated into a stabilization environment and characterized. We present the results of this characterization that make this stabilized MOPA a highly relevant prototype for future GWDs as well as a low noise light source for other experiments in high precision metrology. View Full-Text
Keywords: 1550 nm; laser system; gravitational wave detector 1550 nm; laser system; gravitational wave detector
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MDPI and ACS Style

Meylahn, F.; Willke, B. Characterization of Laser Systems at 1550 nm Wavelength for Future Gravitational Wave Detectors. Instruments 2022, 6, 15. https://doi.org/10.3390/instruments6010015

AMA Style

Meylahn F, Willke B. Characterization of Laser Systems at 1550 nm Wavelength for Future Gravitational Wave Detectors. Instruments. 2022; 6(1):15. https://doi.org/10.3390/instruments6010015

Chicago/Turabian Style

Meylahn, Fabian, and Benno Willke. 2022. "Characterization of Laser Systems at 1550 nm Wavelength for Future Gravitational Wave Detectors" Instruments 6, no. 1: 15. https://doi.org/10.3390/instruments6010015

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