Frequency calibration of terahertz time-domain spectrometers

M. Naftaly*, R. A. Dudley, J. R. Fletcher, F. Bernard, C. Thomson, Z. Tian

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

21 Citations (Scopus)

Abstract

We present three techniques of calibrating frequency and spectral profile measurements of terahertz time-domain spectrometers. The first utilizes the etalon effect generated by multiple reflections in thin nonabsorbing samples. The second employs a CO gas cell to provide multiple narrow absorption lines at known frequencies. The third aims to use a grating monochromator to produce an independently measured comparable spectrum. (C) 2009 Optical Society of America

Original languageEnglish
Pages (from-to)1357-1362
Number of pages6
JournalJournal of the Optical Society of America B : Optical Physics
Volume26
Issue number7
Publication statusPublished - Jul 2009

Keywords

  • SPECTROSCOPY

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