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Simple single-frequency He-Ne laser

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Abstract

For a (0.5–0.6)m long He−Ne laser tube, single longitudinal mode 632.8 nm generation is obtained, using a higher gas-mixture pressure and application of an axial magnetic field. An efficient and very simple mode selection is obtained by gas-mixture pressure increase only. A multimode power to single-mode power conversion coefficientk=0.75 is obtained by increasing the tube pressure. A further increase tok=0.85 is possible with optimum magnetic field and gas pressure.

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Authors and Affiliations

  1. Institute of Electronics, Bulgarian Academy of Science, BG-1184, Sofia, Bulgaria

    St. St. Cartaleva, S. V. Gateva & G. V. Kolarov

Authors
  1. St. St. Cartaleva
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  2. S. V. Gateva
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  3. G. V. Kolarov
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Cartaleva, S.S., Gateva, S.V. & Kolarov, G.V. Simple single-frequency He-Ne laser. Appl. Phys. B 40, 153–155 (1986). https://doi.org/10.1007/BF00697245

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  • DOI: https://doi.org/10.1007/BF00697245

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