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Simultaneously suppressing frequency and intensity noise in a Nd: YAG nonplanar ring oscillator by means of the current-lock technique

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Heurs,  M.
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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Willke,  Benno
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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Danzmann,  Karsten
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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Citation

Heurs, M., Quetschke, V., Willke, B., Danzmann, K., & Freitag, I. (2004). Simultaneously suppressing frequency and intensity noise in a Nd: YAG nonplanar ring oscillator by means of the current-lock technique. Optics Letters, 29(18), 2148-2150. doi:10.1364/OL.29.002148.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0013-51C1-3
Abstract
We show that frequency and intensity noise in a Nd:YAG laser are correlated to a high degree and can be traced to the same underlying cause, namely, power fluctuations of the pump source. Because of this correlation, simultaneous suppression of frequency and intensity noise by 30 dB is achieved by means of a single actuator, the pump power.