INTERFEROMETRIC DETERMINATION OF THE REFRACTIVE INDEX IN THE INFRARED REGION

L SZTRAKA L, A GROFCSIK A, A JOBBAGY A

Research output: Contribution to journalArticle

Abstract

A new calculation method is presented for the determination of the transmittancy of a single thick plate and the empty etalon of the Fabry-Perot interferometer. For the single thick plate a short, closed formula and for the Fabry-Perot etalon an infinite series were deduced. The determination of the constants of the series is based on graph theory. The transmittancy was investigated in the case of three optical materials, NaCl, KRS-5 (thallium iodideUthallium bromide) and Ge, respectively. The agreement between the experimental and calculated data is very good.

Original languageEnglish
Pages (from-to)309-319
Number of pages11
JournalPeriodica Polytechnica Chemical Engineering
Volume14
Issue number3-4
Publication statusPublished - Jan 1 1970

ASJC Scopus subject areas

  • Chemical Engineering(all)

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