Generalized frequency selection in multifrequency interferometry

Catherine E. Towers, David P. Towers, J. D C Jones

Research output: Contribution to journalArticlepeer-review

45 Citations (Scopus)


We present a generalized frequency selection method for N-frequency interferometry to form an optimum geometric series at synthetic wavelengths. The absolute range that is measurable is bounded by the number of beat frequency operations, phase noise, and the number of wavelengths used to form the geometric series of synthetic wavelengths. Theoretical predictions are compared with experimental results from a full-field fringe projector. A comparison of this technique with the method of excess fractions shows orders-of-magnitude faster processing with similar measurement reliability. © 2004 Optical Society of America.

Original languageEnglish
Pages (from-to)1348-1350
Number of pages3
JournalOptics Letters
Issue number12
Publication statusPublished - 15 Jun 2004


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