Analytical description of tunable diode laser derivative spectrometry

Hiroya Sano, Ryuji Koga, Megumi Kosaka

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)

Abstract

The instrument functions are investigated, and a quantitative description is given of how a second-derivative spectrometer employing a tunable diode laser attains the power to suppress spectral noise. As a result, it is found that the power can be improved by modifying the source-frequency modulation profile. The essence of this approach is to make the profile at its extreme as sharp as possible, and a hyperbolic sine profile with suitable parameters is proposed as the optimal profile that can be attained in practice.

Original languageEnglish
Pages (from-to)1883-1888
Number of pages6
JournalJapanese Journal of Applied Physics
Volume22
Issue number12R
DOIs
Publication statusPublished - Dec 1983

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)

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