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Atmospheric and Oceanic Optics

, Volume 31, Issue 1, pp 101–105 | Cite as

Amplified Spontaneous Emission on Sodium D-lines Using Nonresonant Optical Pumping

  • T. D. Petukhov
  • G. S. EvtushenkoEmail author
  • E. N. Tel’minov
Optical Instrumentation
  • 18 Downloads

Abstract

We describe experiments on the excitation of amplified spontaneous emission on the D-lines of sodium (D2 = 588.9 nm; D1 = 589.6 nm) with longitudinal optical pumping with a large detuning from the D2 line toward shorter wavelengths. The radiation spectra are measured, showing gain on both lines, at a Na concentration of (1–5) × 1014 cm–3, buffer gas (helium) pressure of 600 Torr at the working temperature, and pumping power density of more than 1.5 MW/cm2. The time characteristics show that the output radiation varies versus the concentration of sodium atoms in the active medium. The dependences of radiation absorption at the D-lines of sodium on the concentration of Na atoms and buffer gas pressure are given.

Keywords

active optical system amplified spontaneous emission alkaline metals sodium optical pumping 

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Copyright information

© Pleiades Publishing, Ltd. 2018

Authors and Affiliations

  • T. D. Petukhov
    • 1
    • 2
  • G. S. Evtushenko
    • 1
    • 3
    Email author
  • E. N. Tel’minov
    • 4
  1. 1.National Research Tomsk Polytechnic UniversityTomskRussia
  2. 2.Topaz Ltd.TomskRussia
  3. 3.V.E. Zuev Institute of Atmospheric Optics, Siberian BranchRussian Academy of SciencesTomskRussia
  4. 4.National Research Tomsk State UniversityTomskRussia

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