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Intensity and frequency noise reduction of a Nd:YAG NPRO via pump light stabilisation

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Abstract

We have shown that pump light intensity stabilisation of a single-mode laser diode pumped Nd:YAG non-planar ring oscillator (NPRO) results in significant intensity noise reduction of the NPRO, as well as frequency noise suppression in the same order of magnitude. This effect does not occur in conventional laser diode array pumped NPROs due to mode beating effects originating in the multi-mode pump. As opposed to individual intensity and frequency stabilisation, pump light stabilisation contributes a simplified stabilisation scheme for single-mode laser diode pumped NPROs for high precision applications.

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Authors and Affiliations

  1. Max-Planck-Institut für Gravitationsphysik (Albert-Einstein-Institut) und Institut für Atom- und Molekülphysik, Abteilung Spektroskopie, Universität Hannover, Callinstr. 38, 30167, Hannover, Germany

    M. Heurs, T. Meier, V.M. Quetschke, B. Willke & K. Danzmann

  2. University of Florida, Gainesville, USA

    V.M. Quetschke

  3. InnoLight GmbH, Garbsener Landstr. 10, 30419, Hannover, Germany

    I. Freitag

Authors
  1. M. Heurs
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  2. T. Meier
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  3. V.M. Quetschke
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  4. B. Willke
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  5. I. Freitag
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  6. K. Danzmann
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Corresponding author

Correspondence to M. Heurs.

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PACS

42.55.Xi; 42.60.By; 42.60.Lh

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Heurs, M., Meier, T., Quetschke, V. et al. Intensity and frequency noise reduction of a Nd:YAG NPRO via pump light stabilisation. Appl. Phys. B 85, 79–84 (2006). https://doi.org/10.1007/s00340-006-2381-0

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  • DOI: https://doi.org/10.1007/s00340-006-2381-0

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