Spatially coherent white-light interferometer based on a point fluorescent source

Hsiao Hua Liu, Po Hsiu Cheng, Jyhpyng Wang

Research output: Contribution to journalArticlepeer-review

31 Scopus citations

Abstract

We developed a point-fluorescent-source-based white-light interferometer for high-resolution reflectometry, range-gating imaging, and group-velocity-dispersion measurement. The laser-pumped point fluorescent source has 9 mW of power and a spatial coherence of 0.97, which allows it to be used like a laser beam. Owing to its 40-nm FWHM spectral width, the width of its temporal autocorrelation is only 19 fs, which corresponds to that of 14-fs Gaussian pulses.

Original languageEnglish
Pages (from-to)678-680
Number of pages3
JournalOptics Letters
Volume18
Issue number9
DOIs
StatePublished - May 1993

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