Simple approach for extending the ambiguity-free range of dual-comb ranging
| Autor: | P. E. Collin Aldia, Tadeusz Martynkien, Aline S. Mayer, Pawel Mergo, Jakob Fellinger, Lukas W. Perner, Grzegorz Sobon, Georg Winkler, Oliver H. Heckl, Valentina Shumakova, Vito F. Pecile |
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| Rok vydání: | 2021 |
| Předmět: |
Physics
Accuracy and precision Physics - Instrumentation and Detectors business.industry media_common.quotation_subject FOS: Physical sciences Ranging Instrumentation and Detectors (physics.ins-det) Ambiguity Atomic and Molecular Physics and Optics Interferometry Data acquisition Optics Fiber laser Range (statistics) business Intensity modulation Physics - Optics Optics (physics.optics) media_common |
| Zdroj: | Optics Letters. 46:3677 |
| ISSN: | 1539-4794 0146-9592 |
| Popis: | Dual-comb (DC) ranging is an established method for high-precision and high-accuracy distance measurements. It is, however, restricted by an inherent length ambiguity and the requirement for complex control loops for comb stabilization. Here, we present a simple approach for expanding the ambiguity-free measurement length of DC ranging by exploiting the intrinsic intensity modulation of a single-cavity dual-color DC for simultaneous time-of-flight and DC distance measurements. This measurement approach enables the measurement of distances up to several hundred kilometers with the precision and accuracy of a DC interferometric setup while providing a high data acquisition rate ( ≈ 2 k H z ) and requiring only the repetition rate of one of the combs to be stabilized. |
| Databáze: | OpenAIRE |
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