Rapid Phase Shifting Fiber Interferometer with Optical Stylus

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6 Citations (Scopus)


Optical fiber interferometry holds many advantages for the online measurement of high-precision surfaces. Here, a fiber interferometer with a wavelength-scanning probe is reported. Such an interferometer requires active stabilization against the effects of temperature drift and vibration. A method of multiplexing dual wavelengths into the same fiber, combined with rapid phase shifting and real-time phase calculation, is investigated. Experimental data show the successful stabilization of the interferometer regardless of environmental perturbation.

Original languageEnglish
Pages (from-to)655-657
Number of pages3
JournalOptics Letters
Issue number5
Publication statusPublished - Mar 2010


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