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Comparison of different fast modulation techniques for FIR laser stabilization

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Abstract

In the first part of this paper the characteristics of frequency deviation and modulation bandwidth required for phase-locking optically pumped far infrared lasers to reference synthesized signals are examined. Then different fast modulation techniques suitable for this purpose are discussed pointing out their particular features. Experimental results concerning laser frequency modulation by Stark effect, injection locking and electrically variable reactances (e.g Schottky diodes, plasma cell) are reported and compared.

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Author notes

  1. A. DeMarchi

    Present address: Frequency and Time Systems, Danvers, USA

Authors and Affiliations

  1. Istituto Elettrotecnico Nazionale “Galileo Ferraris”, Torino, Italy

    E. Bava, A. Godone, A. DeMarchi & S. Leschiutta

Authors
  1. E. Bava
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  2. A. Godone
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  3. A. DeMarchi
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  4. S. Leschiutta
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Additional information

Work supported by the Consiglio Nazionale delle Ricerche of Italy.

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Bava, E., Godone, A., DeMarchi, A. et al. Comparison of different fast modulation techniques for FIR laser stabilization. Int J Infrared Milli Waves 2, 1053–1070 (1981). https://doi.org/10.1007/BF01006947

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  • DOI: https://doi.org/10.1007/BF01006947

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