A method for determining the column density from the pressure-broadened resonance lines

Kiyoshi Ueda, O. Sonobe, H. Chiba, Y. Sato, T. Namioka, K. Ito

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

We have developed a method for determining metal-atom number-density integrated over a line-of-sight (i.e., the column density) by measuring the optical depth in the wings of the pressure-broadened resonance lines. This method is capable of monitoring the column density in situ during photoelectric absorption measurement of metal vapors in a synchrotron radiation beamline. The present method requires measuring the reduced absorption coefficients of the metal-metal and metal-buffer-gas collisional quasimolecules γMM and γMG and the effective vapor length l before its use. We thus describe also the procedure for obtaining γMM, γMG, and l using He-buffered Yb vapor as a specific example.

Original languageEnglish
Pages (from-to)1690-1694
Number of pages5
JournalReview of Scientific Instruments
Volume63
Issue number2
DOIs
Publication statusPublished - 1992 Dec 1

ASJC Scopus subject areas

  • Instrumentation

Fingerprint Dive into the research topics of 'A method for determining the column density from the pressure-broadened resonance lines'. Together they form a unique fingerprint.

  • Cite this