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Proceedings Paper

The principle of measuring instantaneous frequent and dynamic linewidth of frequency swept lightwaves
Author(s): Tianxin Yang; Jiewei Yang; Peng Li; Zhaoying Wang; Dongfang Jia; Chunfeng Ge
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Paper Abstract

Much effort has been focused on the development of frequency modulation continuous waves (FMCW) light sources which are used in Light Detection And Ranging (LiDAR) systems. However there has not appeared a method or instrument which can measure the instantaneous frequency and dynamic linewidth of the FMCW light source over the whole frequency sweep range of about several hundreds of GHz with an accuracy down to kHz. In this paper a new method is proposed for measuring the dynamic frequency properties of FMCW light sources in real-time and several experimental setups are built for the feasibility study.

Paper Details

Date Published: 2 March 2020
PDF: 9 pages
Proc. SPIE 11279, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications XIII, 112791B (2 March 2020); doi: 10.1117/12.2550454
Show Author Affiliations
Tianxin Yang, Tianjin Univ. (China)
Jiewei Yang, Tianjin Univ. (China)
Peng Li, Tianjin Univ. (China)
Zhaoying Wang, Tianjin Univ. (China)
Dongfang Jia, Tianjin Univ. (China)
Chunfeng Ge, Tianjin Univ. (China)


Published in SPIE Proceedings Vol. 11279:
Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications XIII
Laurence P. Sadwick; Tianxin Yang, Editor(s)

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