{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,1,6]],"date-time":"2025-01-06T02:10:13Z","timestamp":1736129413386,"version":"3.32.0"},"reference-count":19,"publisher":"MDPI AG","issue":"14","license":[{"start":{"date-parts":[[2022,7,15]],"date-time":"2022-07-15T00:00:00Z","timestamp":1657843200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"National Science Foundation of China (NSFC)","award":["61905195"]},{"name":"The Fundamental Research Funds for the Central Universities","award":["310202011QD001"]},{"name":"2020 Xi\u2019an Association for Science and Technology of Young Talents Support Project","award":["095920201316"]},{"name":"Open Research Fund of CAS Key Laboratory of Spectral Imaging Technology","award":["LSIT202006W"]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"The special dispersion and temperature characteristics of diffractive optical element (DOE) make them widely used in optical systems that require both athermalization and achromatic aberrations designs. The multi-layer DOE (MLDOE) can improve the diffraction efficiency of the overall broad waveband, but its diffraction efficiency decreases with changes in ambient temperature. When the ambient temperature changes, the micro-structure heights of MLDOE and the refractive index of the substrate materials change, ultimately affecting its diffraction efficiency, and, further, the optical transform function (OTF). In this paper, the influence of ambient temperature on the diffraction efficiency of MLDOE in a dual-infrared waveband is proposed and discussed, the diffraction efficiency of MLDOE caused by ambient temperature is derived, and a computational imaging method that combines optical design and image restoration is proposed. Finally, a dual-infrared waveband infrared optical system with athermalization and achromatic aberrations corrected based on computational imaging method is designed. Results show that this method can effectively reduce the diffraction efficiency of MLDOE by ambient temperature and improve the imaging quality of hybrid optical systems.<\/jats:p>","DOI":"10.3390\/s22145291","type":"journal-article","created":{"date-parts":[[2022,7,18]],"date-time":"2022-07-18T05:53:22Z","timestamp":1658123602000},"page":"5291","source":"Crossref","is-referenced-by-count":2,"title":["Computational Imaging in Dual-Band Infrared Hybrid Optical System with Wide Temperature Range"],"prefix":"10.3390","volume":"22","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1023-5351","authenticated-orcid":false,"given":"Shan","family":"Mao","sequence":"first","affiliation":[{"name":"Key Laboratory of Light Field Manipulation and Information Acquisition, Ministry of Industry and Information Technology, and Shaanxi Key Laboratory of Optical Information Technology, School of Physical Science and Technology, Northwestern Polytechnical University, Xi\u2019an 710129, China"}]},{"given":"Huaile","family":"Nie","sequence":"additional","affiliation":[{"name":"Key Laboratory of Light Field Manipulation and Information Acquisition, Ministry of Industry and Information Technology, and Shaanxi Key Laboratory of Optical Information Technology, School of Physical Science and Technology, Northwestern Polytechnical University, Xi\u2019an 710129, China"}]},{"given":"Tao","family":"Lai","sequence":"additional","affiliation":[{"name":"Key Laboratory of Light Field Manipulation and Information Acquisition, Ministry of Industry and Information Technology, and Shaanxi Key Laboratory of Optical Information Technology, School of Physical Science and Technology, Northwestern Polytechnical University, Xi\u2019an 710129, China"}]},{"given":"Na","family":"Xie","sequence":"additional","affiliation":[{"name":"Science and Technology on Electro-Optical Information Security Control Laboratory, Tianjin 300308, China"}]}],"member":"1968","published-online":{"date-parts":[[2022,7,15]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Reibel, Y., Chabuel, F., Vaz, C., Billon-Lanfrey, D., Baylet, J., Gravrand, O., Ballet, P., and Destefanis, G. 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