{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,11]],"date-time":"2025-10-11T02:50:05Z","timestamp":1760151005346,"version":"build-2065373602"},"reference-count":26,"publisher":"MDPI AG","issue":"3","license":[{"start":{"date-parts":[[2022,1,24]],"date-time":"2022-01-24T00:00:00Z","timestamp":1642982400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100004663","name":"Ministry of Science and Technology, Taiwan","doi-asserted-by":"publisher","award":["MOST 110-2221-E-A49-111","MOST 108-2221-E-009-084-MY2"],"award-info":[{"award-number":["MOST 110-2221-E-A49-111","MOST 108-2221-E-009-084-MY2"]}],"id":[{"id":"10.13039\/501100004663","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>The mirror galvanometer is a crucial component of laser cutters\/engravers. Novel two-dimensional mirror galvanometers demonstrate less trajectory distortion than traditional one-dimensional ones. This article proposes an optoelectronic sensor that measures a mirror\u2019s inclinations in two dimensions simultaneously. The measuring range, resolution, and sampling rate are \u00b110\u00b0, 0.0265\u00b0, and 2 kHz, respectively. With the proposed sensor, a closed-loop control can be further implemented to achieve precision laser machining. Its compact size and low cost meet the requirements of miniature laser engravers, which have become popular in recent years.<\/jats:p>","DOI":"10.3390\/s22030872","type":"journal-article","created":{"date-parts":[[2022,1,25]],"date-time":"2022-01-25T21:07:11Z","timestamp":1643144831000},"page":"872","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Optoelectronic Angular Displacement Measurement Technology for 2-Dimensional Mirror Galvanometer"],"prefix":"10.3390","volume":"22","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2249-6986","authenticated-orcid":false,"given":"Shao-Kang","family":"Hung","sequence":"first","affiliation":[{"name":"Department of Mechanical Engineering, National Yang Ming Chiao Tung University, No. 1001, University Road, Hsinchu 30010, Taiwan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yu-Hsin","family":"Chung","sequence":"additional","affiliation":[{"name":"Department of Mechanical Engineering, National Yang Ming Chiao Tung University, No. 1001, University Road, Hsinchu 30010, Taiwan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5701-2262","authenticated-orcid":false,"given":"Cheng-Lung","family":"Chen","sequence":"additional","affiliation":[{"name":"Department of Mechanical Engineering, National Yang Ming Chiao Tung University, No. 1001, University Road, Hsinchu 30010, Taiwan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kai-Hung","family":"Chang","sequence":"additional","affiliation":[{"name":"Department of Mechanical Engineering, National Yang Ming Chiao Tung University, No. 1001, University Road, Hsinchu 30010, Taiwan"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2022,1,24]]},"reference":[{"key":"ref_1","unstructured":"(2021, December 07). 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