{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,29]],"date-time":"2025-11-29T16:21:57Z","timestamp":1764433317072,"version":"build-2065373602"},"reference-count":25,"publisher":"MDPI AG","issue":"6","license":[{"start":{"date-parts":[[2020,3,20]],"date-time":"2020-03-20T00:00:00Z","timestamp":1584662400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"National Basic Research Program of China (973 Program)","award":["2016YFC1401203"],"award-info":[{"award-number":["2016YFC1401203"]}]},{"name":"Beijing Aerospace Xinfeng Machinery Equipment Co., Ltd. Aerospace Testing Technology and Application Laboratory Innovation Fund","award":["QT-2018-004"],"award-info":[{"award-number":["QT-2018-004"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>In this paper, we demonstrate a three-dimensional imaging system based on the laser frequency comb. We develop a compact, all-fiber mode-locked laser at 1 \u03bcm, whose repetition frequency can be tightly synchronized to the external frequency reference. The mode-locked state is achieved via the saturable absorber mirror in a linear cavity, and the laser output power can be amplified from 4 mW to 150 mW after a Yb-doped fiber amplifier. Three-dimensional imaging is realized via the spectral interferometry with the aid of an equal-arm Michelson interferometer. Compared with the reference values, the measurement results show the difference can be below 4 \u03bcm. Our system could provide a pathway to the real industry applications in future.<\/jats:p>","DOI":"10.3390\/s20061743","type":"journal-article","created":{"date-parts":[[2020,3,20]],"date-time":"2020-03-20T11:42:11Z","timestamp":1584704531000},"page":"1743","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Three-Dimensional Imaging by Frequency-Comb Spectral Interferometry"],"prefix":"10.3390","volume":"20","author":[{"given":"Haihan","family":"Zhao","sequence":"first","affiliation":[{"name":"School of Marine Science and Technology, Tianjin University, Tianjin 300072, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ziqiang","family":"Zhang","sequence":"additional","affiliation":[{"name":"Beijing Aerospace Xinfeng Mechanical Equipment Co., LTD, Beijing 100854, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xinyang","family":"Xu","sequence":"additional","affiliation":[{"name":"School of Marine Science and Technology, Tianjin University, Tianjin 300072, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Haoyun","family":"Zhang","sequence":"additional","affiliation":[{"name":"School of Marine Science and Technology, Tianjin University, Tianjin 300072, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jingsheng","family":"Zhai","sequence":"additional","affiliation":[{"name":"School of Marine Science and Technology, Tianjin University, Tianjin 300072, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hanzhong","family":"Wu","sequence":"additional","affiliation":[{"name":"School of Marine Science and Technology, Tianjin University, Tianjin 300072, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2020,3,20]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"186","DOI":"10.1038\/nphoton.2011.38","article-title":"Searching for applications with a fine-tooth comb","volume":"5","author":"Newbury","year":"2011","journal-title":"Nat. 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