{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,30]],"date-time":"2026-07-30T11:54:40Z","timestamp":1785412480477,"version":"3.56.0"},"reference-count":39,"publisher":"Optica Publishing Group","issue":"10","license":[{"start":{"date-parts":[[2026,5,12]],"date-time":"2026-05-12T00:00:00Z","timestamp":1778544000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/doi.org\/10.1364\/OA_License_v2#VOR-OA"},{"start":{"date-parts":[[2026,5,12]],"date-time":"2026-05-12T00:00:00Z","timestamp":1778544000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/opg.optica.org\/policies\/opg-tdm-policy.json"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"crossref","award":["61975183"],"award-info":[{"award-number":["61975183"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"crossref"},{"id":"https:\/\/ror.org\/01h0zpd94","id-type":"ROR","asserted-by":"publisher"}]}],"content-domain":{"domain":["opg.optica.org"],"crossmark-restriction":false},"short-container-title":["Opt. Express"],"published-print":{"date-parts":[[2026,5,18]]},"abstract":"<jats:p>\n                    For compact spectrometers, the enduring technical challenge lies in the simultaneous optimization of high optical performance and miniaturization. Here we report a solid immersion grating microspectrometer with wedge prism correction (SIG-W-\u00b5SPEC), which realizes both high spectral resolution and a highly compact structure across a broad spectral range. The SIG-W-\u00b5SPEC integrates a solid immersion grating (SIG), planar reflectors, an optical wedge, a convex lens, a silicon microslit, and a CMOS linear array sensor into a single optical module. The SIG endows the system with high angular dispersion but inevitably induces focal plane tilt; the optical wedge not only compensates for this tilt with high precision but also effectively compresses the optical path length. Following high-precision encapsulation, the SIG-W-\u00b5SPEC achieves an average spectral resolution of 4.4\u2005nm in the 600\u20131000\u2005nm wavelength range, with an overall volume of merely 0.63\u2005cm\n                    <jats:sup>3<\/jats:sup>\n                    . We applied this device to collect the reflectance spectra of fruits for the prediction of soluble solids content (SSC), yielding a high correlation coefficient (R\n                    <jats:sup>2<\/jats:sup>\n                    =0.941). This ultra-compact spectrometer demonstrates broad application prospects in diverse fields, including agricultural quality monitoring, biomedical sensing, and real-time non-invasive on-site detection.\n                  <\/jats:p>","DOI":"10.1364\/oe.596115","type":"journal-article","created":{"date-parts":[[2026,4,30]],"date-time":"2026-04-30T05:00:09Z","timestamp":1777525209000},"page":"18631","update-policy":"https:\/\/doi.org\/10.1364\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Integrated solid immersion grating microspectrometer with wedge prism correction for visible and near-infrared spectroscopic applications"],"prefix":"10.1364","volume":"34","author":[{"given":"Jianan","family":"Zhou","sequence":"first","affiliation":[{"id":[{"id":"https:\/\/ror.org\/02djqfd08","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zehui","family":"Wu","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/02djqfd08","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bisheng","family":"Quan","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/02djqfd08","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9745-8565","authenticated-orcid":true,"given":"Zichun","family":"Le","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/02djqfd08","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"285","published-online":{"date-parts":[[2026,5,12]]},"reference":[{"key":"oe-34-10-18631-R1","doi-asserted-by":"publisher","first-page":"1214825","DOI":"10.3389\/fchem.2023.1214825","type":"journal-article","volume":"11","author":"Gullifa","year":"2023","journal-title":"Front. 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