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Published in 2019 at "IEEE Sensors Journal"
DOI: 10.1109/jsen.2019.2901125
Abstract: The fringes disappearance phenomenon in the self-mixing interferometry occurs whenever the external round-trip phase at free-running state is modulated by either external modulation such as external cavity length changes or internal modulation when the laser…
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Keywords:
distance measurement;
disappearance;
self mixing;
absolute distance ... See more keywords
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Published in 2023 at "Optics express"
DOI: 10.1364/oe.487340
Abstract: In multi-heterodyne interferometry, the non-ambiguous range (NAR) and measurement accuracy are limited by the generation of synthetic wavelengths. In this paper, we propose a multi-heterodyne interferometric absolute distance measurement based on dual dynamic electro-optic frequency…
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Keywords:
heterodyne interferometric;
frequency;
multi heterodyne;
interferometric absolute ... See more keywords
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Published in 2018 at "Optics letters"
DOI: 10.1364/ol.43.000807
Abstract: We experimentally demonstrate a method for absolute distance measurement using a triple-comb-based multi-heterodyne interferometer which has the capacity to simultaneously balance the non-ambiguous range, resolution, update rate, and cost. Three flat-top electro-optic combs generated via…
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Keywords:
multi heterodyne;
distance;
electro optic;
absolute distance ... See more keywords