Laser free measurements of absorption and fluorescence excitation spectra in a supersonic free jet

Urs Graf, Hiromichi Niikura, Satoshi Hirayama

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Measurements of the absorption and fluorescence excitation spectra in a supersonic free jet are performed simultaneously with the use of a dc Xe lamp and lock-in detection. With this inexpensive equipment it is possible to measure spectral features from UV to VIS with absorbances as low as 5×10-6 and with a spectral resolution of 0.9 Å. Absorption and fluorescence excitation spectra of 9-cyanoanthracene, which is solid and nonvolatile under ambient conditions, are presented Achievable signal-to-noise ratios are theoretically calculated and experimentally verified.

Original languageEnglish
Pages (from-to)406-409
Number of pages4
JournalReview of Scientific Instruments
Volume67
Issue number2
Publication statusPublished - 1996 Feb
Externally publishedYes

Fingerprint

free jets
Fluorescence
fluorescence
Lasers
Spectral resolution
Electric lamps
spectral resolution
excitation
luminaires
lasers
Signal to noise ratio
signal to noise ratios

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)
  • Instrumentation

Cite this

Laser free measurements of absorption and fluorescence excitation spectra in a supersonic free jet. / Graf, Urs; Niikura, Hiromichi; Hirayama, Satoshi.

In: Review of Scientific Instruments, Vol. 67, No. 2, 02.1996, p. 406-409.

Research output: Contribution to journalArticle

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