Wide dynamic range interferometric transducer with divergent beam

An apparatus and method for estimating a parameter of interest using values of a beam property from two or more electromagnetic beams that both pass through at least part of an optical displacement device. The apparatus may include a Fabry-Perot interferometer, a collimated light source, and a detec...

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Bibliographische Detailangaben
Hauptverfasser: DUSTIN W CARR, STEVEN R PATTERSON, CARL M EDWARDS
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:An apparatus and method for estimating a parameter of interest using values of a beam property from two or more electromagnetic beams that both pass through at least part of an optical displacement device. The apparatus may include a Fabry-Perot interferometer, a collimated light source, and a detection array. At least one mirror of the interferometer may be operably coupled to an element receiving an external stimulus, such as pressure, force, and/or acceleration. The method includes using the apparatus.