{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,12]],"date-time":"2025-10-12T01:57:58Z","timestamp":1760234278191,"version":"build-2065373602"},"reference-count":63,"publisher":"MDPI AG","issue":"9","license":[{"start":{"date-parts":[[2021,5,3]],"date-time":"2021-05-03T00:00:00Z","timestamp":1620000000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>Our latest advances in the field of miniaturized optical PM sensors are presented. This sensor combines a hybrid fluidic-optronic CMOS (holed retina) that is able to record a specific irradiance pattern scattered by an illuminated particle (scattering signature), while enabling the circulation of particles toward the sensing area. The holed retina is optically coupled with a monolithic, millimeter-sized, refracto-reflective optical system. The latter notably performs an optical pre-processing of signatures, with a very wide field of view of scattering angles. This improves the sensitivity of the sensors, and simplifies image processing. We report the precise design methodology for such a sensor, as well as its fabrication and characterization using calibrated polystyrene beads. Finally, we discuss its ability to characterize particles and its potential for further miniaturization and integration.<\/jats:p>","DOI":"10.3390\/s21093181","type":"journal-article","created":{"date-parts":[[2021,5,5]],"date-time":"2021-05-05T22:51:42Z","timestamp":1620255102000},"page":"3181","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Miniature Optical Particle Counter and Analyzer Involving a Fluidic-Optronic CMOS Chip Coupled with a Millimeter-Sized Glass Optical System"],"prefix":"10.3390","volume":"21","author":[{"given":"Gabriel","family":"Jobert","sequence":"first","affiliation":[{"name":"CEA-LETI Minatec, Universit\u00e9 Grenoble-Alpes, F-38000 Grenoble, France"},{"name":"Institut des Nanotechnologies de Lyon, UMR CNRS 5270 Ecole Centrale de Lyon, Universit\u00e9 de Lyon, F-69134 Ecully, France"}]},{"given":"Pierre","family":"Barritault","sequence":"additional","affiliation":[{"name":"CEA-LETI Minatec, Universit\u00e9 Grenoble-Alpes, F-38000 Grenoble, France"}]},{"given":"Maryse","family":"Fournier","sequence":"additional","affiliation":[{"name":"CEA-LETI Minatec, Universit\u00e9 Grenoble-Alpes, F-38000 Grenoble, France"}]},{"given":"Cyrielle","family":"Monpeurt","sequence":"additional","affiliation":[{"name":"CEA-LETI Minatec, Universit\u00e9 Grenoble-Alpes, F-38000 Grenoble, France"}]},{"given":"Salim","family":"Boutami","sequence":"additional","affiliation":[{"name":"CEA-LETI Minatec, Universit\u00e9 Grenoble-Alpes, F-38000 Grenoble, France"}]},{"given":"C\u00e9cile","family":"Jamois","sequence":"additional","affiliation":[{"name":"Institut des Nanotechnologies de Lyon, UMR CNRS 5270 Ecole Centrale de Lyon, Universit\u00e9 de Lyon, F-69134 Ecully, France"}]},{"given":"Pietro","family":"Bernasconi","sequence":"additional","affiliation":[{"name":"FEMTOprint, CH-6933 Muzzano, Switzerland"}]},{"given":"Andrea","family":"Lovera","sequence":"additional","affiliation":[{"name":"FEMTOprint, CH-6933 Muzzano, Switzerland"}]},{"given":"Daniele","family":"Braga","sequence":"additional","affiliation":[{"name":"FEMTOprint, CH-6933 Muzzano, Switzerland"}]},{"given":"Christian","family":"Seassal","sequence":"additional","affiliation":[{"name":"Institut des Nanotechnologies de Lyon, UMR CNRS 5270 Ecole Centrale de Lyon, Universit\u00e9 de Lyon, F-69134 Ecully, France"}]}],"member":"1968","published-online":{"date-parts":[[2021,5,3]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Hamra, G.B., Guha, N., Cohen, A., Laden, F., Raaschou-Nielsen, O., Samet, J.M., Vineis, P., Forastiere, F., Saldiva, P., and Yorifuji, T. 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