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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 64, Iss. 4 — Apr. 1, 1974
  • pp: 482–484

Measurement of very-low sodium-vapor densities by means of optical resonance fluorescence

F. C. M. Coolen, L. C. J. Baghuis, H. L. Hagedoorn, and J. A. van derHeide  »View Author Affiliations


JOSA, Vol. 64, Issue 4, pp. 482-484 (1974)
http://dx.doi.org/10.1364/JOSA.64.000482


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Abstract

The sensitivity of the resonance-fluorescence method for the measurement of very-low sodium-vapor densities (<1010 atoms/cm3) has been studied. Light from a sodium spectral lamp is sent through a sodium-containing vessel, whose temperature can be varied. The vapor density has been measured in the region of 47–146 °C. At 47 °C, the vapor density is about 107 atoms/cm3 . The measurements were performed with both a photon-counting device and a lock-in amplifier. The experimental results have been normalized to absolute density data given in the literature. Fitting our points to the equation logN = a + b / T yields the values a = 23.715 and b = -5257.7 K.

Citation
F. C. M. Coolen, L. C. J. Baghuis, H. L. Hagedoorn, and J. A. van derHeide, "Measurement of very-low sodium-vapor densities by means of optical resonance fluorescence," J. Opt. Soc. Am. 64, 482-484 (1974)
http://www.opticsinfobase.org/josa/abstract.cfm?URI=josa-64-4-482

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