[{"user_id":"83781","date_updated":"2026-02-10T10:16:40Z","date_created":"2026-01-27T11:53:40Z","department":[{"_id":"DEP5020"},{"_id":"DEP6020"}],"doi":"https://doi.org/10.1364/opticaopen.31149016","year":"2026","citation":{"van":"Shrotri AN, Starsaja A, Joshi S, Preu S, Stübbe O. Multispectral characterization of additively manufactured and dip-coated axicons. Optica Open. Optica Publishing Group; 2026.","ieee":"A. N. Shrotri, A. Starsaja, S. Joshi, S. Preu, and O. Stübbe, “Multispectral characterization of additively manufactured and dip-coated axicons,” <i>Optica Open</i>. Optica Publishing Group, 2026. doi: <a href=\"https://doi.org/10.1364/opticaopen.31149016\">https://doi.org/10.1364/opticaopen.31149016</a>.","mla":"Shrotri, Abhijeet Narendra, et al. “Multispectral Characterization of Additively Manufactured and Dip-Coated Axicons.” <i>Optica Open</i>, Optica Publishing Group, 2026, <a href=\"https://doi.org/10.1364/opticaopen.31149016\">https://doi.org/10.1364/opticaopen.31149016</a>.","chicago":"Shrotri, Abhijeet Narendra, Annamarija Starsaja, Suraj Joshi, Sascha  Preu, and Oliver Stübbe. “Multispectral Characterization of Additively Manufactured and Dip-Coated Axicons.” <i>Optica Open</i>. Optica Publishing Group, 2026. <a href=\"https://doi.org/10.1364/opticaopen.31149016\">https://doi.org/10.1364/opticaopen.31149016</a>.","ama":"Shrotri AN, Starsaja A, Joshi S, Preu S, Stübbe O. Multispectral characterization of additively manufactured and dip-coated axicons. <i>Optica Open</i>. Published online 2026. doi:<a href=\"https://doi.org/10.1364/opticaopen.31149016\">https://doi.org/10.1364/opticaopen.31149016</a>","short":"A.N. Shrotri, A. Starsaja, S. Joshi, S. Preu, O. Stübbe, Optica Open (2026).","din1505-2-1":"<span style=\"font-variant:small-caps;\">Shrotri, Abhijeet Narendra</span> ; <span style=\"font-variant:small-caps;\">Starsaja, Annamarija</span> ; <span style=\"font-variant:small-caps;\">Joshi, Suraj</span> ; <span style=\"font-variant:small-caps;\">Preu, Sascha </span> ; <span style=\"font-variant:small-caps;\">Stübbe, Oliver</span>: Multispectral characterization of additively manufactured and dip-coated axicons. In: <i>Optica Open</i>, Optica Publishing Group (2026)","havard":"A.N. Shrotri, A. Starsaja, S. Joshi, S. Preu, O. Stübbe, Multispectral characterization of additively manufactured and dip-coated axicons, Optica Open. (2026).","apa":"Shrotri, A. N., Starsaja, A., Joshi, S., Preu, S., &#38; Stübbe, O. (2026). Multispectral characterization of additively manufactured and dip-coated axicons. In <i>Optica Open</i>. Optica Publishing Group. <a href=\"https://doi.org/10.1364/opticaopen.31149016\">https://doi.org/10.1364/opticaopen.31149016</a>","ufg":"<b>Shrotri, Abhijeet Narendra u. a.</b>: Multispectral characterization of additively manufactured and dip-coated axicons, in: <i>Optica Open</i>o. O. 2026.","bjps":"<b>Shrotri AN <i>et al.</i></b> (2026) Multispectral Characterization of Additively Manufactured and Dip-Coated Axicons. <i>Optica Open</i>.","chicago-de":"Shrotri, Abhijeet Narendra, Annamarija Starsaja, Suraj Joshi, Sascha  Preu und Oliver Stübbe. 2026. Multispectral characterization of additively manufactured and dip-coated axicons. <i>Optica Open</i>. Optica Publishing Group. doi:<a href=\"https://doi.org/10.1364/opticaopen.31149016\">https://doi.org/10.1364/opticaopen.31149016</a>, ."},"type":"preprint","_id":"13346","language":[{"iso":"eng"}],"keyword":["additive manufacturing","stereolithography","dip-coating","post-processing"],"page":"5","title":"Multispectral characterization of additively manufactured and dip-coated axicons","publication_identifier":{"eissn":["2334-2536 "]},"author":[{"first_name":"Abhijeet Narendra","full_name":"Shrotri, Abhijeet Narendra","orcid":"0000-0003-2116-156X","last_name":"Shrotri","id":"74090"},{"last_name":"Starsaja","full_name":"Starsaja, Annamarija","first_name":"Annamarija"},{"full_name":"Joshi, Suraj","first_name":"Suraj","last_name":"Joshi"},{"last_name":"Preu","full_name":"Preu, Sascha ","first_name":"Sascha "},{"orcid":"0000-0001-7293-6893","last_name":"Stübbe","first_name":"Oliver","full_name":"Stübbe, Oliver","id":"51864"}],"publisher":"Optica Publishing Group","publication_status":"published","abstract":[{"lang":"eng","text":"This article discusses the additive manufacturing and post-processing of axicons, and their performance evaluation using attenuation and near-field-measurements based fundamental techniques. The axicons are manufactured using the materials cyclic olefin copolymer (TOPAS) and polymethyl methacrylate (PMMA), for their respective use in terahertz and near-infrared applications. An emphasis is placed on the dip-coating-based post-processing. Interval dipping and intermittent hardening lead to excellent surface finish and transparency in case of additively-manufactured near-infrared axicons. The dip-coated samples exhibit surface roughness of sub 10nm, and a uniformly distributed thin layer coating over the axicon surface. In addition to the improved surface finish and transparency, the coatings are also closely matched in refractive index to the axicon material. Such post-processed axicons pave the way for rapid-prototyping and production."}],"status":"public","publication":"Optica Open"},{"_id":"13363","language":[{"iso":"eng"}],"page":"15","keyword":["additive manufacturing","stereolithography","dip-coating","post-processing"],"department":[{"_id":"DEP5020"},{"_id":"DEP6020"}],"date_created":"2026-02-09T14:25:17Z","date_updated":"2026-02-10T10:12:11Z","user_id":"83781","doi":"https://doi.org/10.20944/preprints202602.0389.v1","year":"2026","citation":{"ama":"Shrotri AN, Starsaja A, Joshi S, Preu S, Stübbe O. Multispectral Characterization of Additively Manufactured and Dip-Coated Axicons. <i>Photonics: Open Access Journal</i>. Published online 2026. doi:<a href=\"https://doi.org/10.20944/preprints202602.0389.v1\">https://doi.org/10.20944/preprints202602.0389.v1</a>","short":"A.N. Shrotri, A. Starsaja, S. Joshi, S. Preu, O. Stübbe, Photonics: Open Access Journal (2026).","havard":"A.N. Shrotri, A. Starsaja, S. Joshi, S. Preu, O. Stübbe, Multispectral Characterization of Additively Manufactured and Dip-Coated Axicons, Photonics: Open Access Journal. (2026).","chicago-de":"Shrotri, Abhijeet Narendra, Annamarija Starsaja, Suraj  Joshi, Sascha Preu und Oliver Stübbe. 2026. Multispectral Characterization of Additively Manufactured and Dip-Coated Axicons. <i>Photonics: Open Access Journal</i>. MDPI . doi:<a href=\"https://doi.org/10.20944/preprints202602.0389.v1\">https://doi.org/10.20944/preprints202602.0389.v1</a>, .","bjps":"<b>Shrotri AN <i>et al.</i></b> (2026) Multispectral Characterization of Additively Manufactured and Dip-Coated Axicons. <i>Photonics: Open Access Journal</i>.","ufg":"<b>Shrotri, Abhijeet Narendra u. a.</b>: Multispectral Characterization of Additively Manufactured and Dip-Coated Axicons, in: <i>Photonics: Open Access Journal</i>o. O. 2026.","mla":"Shrotri, Abhijeet Narendra, et al. “Multispectral Characterization of Additively Manufactured and Dip-Coated Axicons.” <i>Photonics: Open Access Journal</i>, MDPI , 2026, <a href=\"https://doi.org/10.20944/preprints202602.0389.v1\">https://doi.org/10.20944/preprints202602.0389.v1</a>.","chicago":"Shrotri, Abhijeet Narendra, Annamarija Starsaja, Suraj  Joshi, Sascha Preu, and Oliver Stübbe. “Multispectral Characterization of Additively Manufactured and Dip-Coated Axicons.” <i>Photonics: Open Access Journal</i>. MDPI , 2026. <a href=\"https://doi.org/10.20944/preprints202602.0389.v1\">https://doi.org/10.20944/preprints202602.0389.v1</a>.","ieee":"A. N. Shrotri, A. Starsaja, S. Joshi, S. Preu, and O. Stübbe, “Multispectral Characterization of Additively Manufactured and Dip-Coated Axicons,” <i>Photonics: Open Access Journal</i>. MDPI , 2026. doi: <a href=\"https://doi.org/10.20944/preprints202602.0389.v1\">https://doi.org/10.20944/preprints202602.0389.v1</a>.","van":"Shrotri AN, Starsaja A, Joshi S, Preu S, Stübbe O. Multispectral Characterization of Additively Manufactured and Dip-Coated Axicons. Photonics: Open Access Journal. MDPI ; 2026.","din1505-2-1":"<span style=\"font-variant:small-caps;\">Shrotri, Abhijeet Narendra</span> ; <span style=\"font-variant:small-caps;\">Starsaja, Annamarija</span> ; <span style=\"font-variant:small-caps;\">Joshi, Suraj </span> ; <span style=\"font-variant:small-caps;\">Preu, Sascha</span> ; <span style=\"font-variant:small-caps;\">Stübbe, Oliver</span>: Multispectral Characterization of Additively Manufactured and Dip-Coated Axicons. In: <i>Photonics: Open Access Journal</i>, MDPI  (2026)","apa":"Shrotri, A. N., Starsaja, A., Joshi, S., Preu, S., &#38; Stübbe, O. (2026). Multispectral Characterization of Additively Manufactured and Dip-Coated Axicons. In <i>Photonics: Open Access Journal</i>. MDPI . <a href=\"https://doi.org/10.20944/preprints202602.0389.v1\">https://doi.org/10.20944/preprints202602.0389.v1</a>"},"type":"preprint","publisher":"MDPI ","author":[{"full_name":"Shrotri, Abhijeet Narendra","first_name":"Abhijeet Narendra","orcid":"0000-0003-2116-156X","last_name":"Shrotri","id":"74090"},{"last_name":"Starsaja","full_name":"Starsaja, Annamarija","first_name":"Annamarija"},{"full_name":"Joshi, Suraj ","first_name":"Suraj ","last_name":"Joshi"},{"last_name":"Preu","first_name":"Sascha","full_name":"Preu, Sascha"},{"id":"51864","orcid":"0000-0001-7293-6893","last_name":"Stübbe","first_name":"Oliver","full_name":"Stübbe, Oliver"}],"abstract":[{"lang":"eng","text":"This article discusses the additive manufacturing and post-processing of axicons, and their performance evaluation using attenuation and near-field-measurements based fundamental techniques. The axicons are manufactured using the materials cyclic olefin copolymer (TOPAS) and polymethyl methacrylate (PMMA), for their respective use in terahertz and near-infrared applications. An emphasis is placed on the dip-coating-based post-processing. Interval dipping and intermittent hardening lead to excellent surface finish and transparency in case of additively-manufactured near-infrared axicons. The dip-coated samples exhibit surface roughness of sub 10 nm, and a uniformly distributed thin layer coating over the axicon surface. In addition to the improved surface finish and transparency, the coatings are also closely matched in refractive index to the axicon material. Such post-processed axicons pave the way for rapid-prototyping and production."}],"publication_status":"published","status":"public","publication":"Photonics: Open Access Journal","title":"Multispectral Characterization of Additively Manufactured and Dip-Coated Axicons","publication_identifier":{"eissn":["2304-6732 "]}},{"language":[{"iso":"eng"}],"_id":"13495","place":"Basel","keyword":["additive manufacturing","stereolithography","dip-coating","post-processing"],"article_number":"264","doi":"10.3390/photonics13030264","date_created":"2026-03-12T07:07:54Z","department":[{"_id":"DEP5020"},{"_id":"DEP6020"}],"date_updated":"2026-03-12T07:12:29Z","user_id":"83781","type":"scientific_journal_article","citation":{"chicago-de":"Shrotri, Abhijeet Narendra, Annamarija Starsaja, Suraj Joshi, Sascha Preu und Oliver Stübbe. 2026. Multispectral Characterization of Additively Manufactured and Dip-Coated Axicons. <i>Photonics</i> 13, Nr. 3. doi:<a href=\"https://doi.org/10.3390/photonics13030264\">10.3390/photonics13030264</a>, .","ufg":"<b>Shrotri, Abhijeet Narendra u. a.</b>: Multispectral Characterization of Additively Manufactured and Dip-Coated Axicons, in: <i>Photonics</i> 13 (2026), H. 3.","bjps":"<b>Shrotri AN <i>et al.</i></b> (2026) Multispectral Characterization of Additively Manufactured and Dip-Coated Axicons. <i>Photonics</i> <b>13</b>.","apa":"Shrotri, A. N., Starsaja, A., Joshi, S., Preu, S., &#38; Stübbe, O. (2026). Multispectral Characterization of Additively Manufactured and Dip-Coated Axicons. <i>Photonics</i>, <i>13</i>(3), Article 264. <a href=\"https://doi.org/10.3390/photonics13030264\">https://doi.org/10.3390/photonics13030264</a>","havard":"A.N. Shrotri, A. Starsaja, S. Joshi, S. Preu, O. Stübbe, Multispectral Characterization of Additively Manufactured and Dip-Coated Axicons, Photonics. 13 (2026).","din1505-2-1":"<span style=\"font-variant:small-caps;\">Shrotri, Abhijeet Narendra</span> ; <span style=\"font-variant:small-caps;\">Starsaja, Annamarija</span> ; <span style=\"font-variant:small-caps;\">Joshi, Suraj</span> ; <span style=\"font-variant:small-caps;\">Preu, Sascha</span> ; <span style=\"font-variant:small-caps;\">Stübbe, Oliver</span>: Multispectral Characterization of Additively Manufactured and Dip-Coated Axicons. In: <i>Photonics</i> Bd. 13. Basel, MDPI AG (2026), Nr. 3","short":"A.N. Shrotri, A. Starsaja, S. Joshi, S. Preu, O. Stübbe, Photonics 13 (2026).","mla":"Shrotri, Abhijeet Narendra, et al. “Multispectral Characterization of Additively Manufactured and Dip-Coated Axicons.” <i>Photonics</i>, vol. 13, no. 3, 264, 2026, <a href=\"https://doi.org/10.3390/photonics13030264\">https://doi.org/10.3390/photonics13030264</a>.","chicago":"Shrotri, Abhijeet Narendra, Annamarija Starsaja, Suraj Joshi, Sascha Preu, and Oliver Stübbe. “Multispectral Characterization of Additively Manufactured and Dip-Coated Axicons.” <i>Photonics</i> 13, no. 3 (2026). <a href=\"https://doi.org/10.3390/photonics13030264\">https://doi.org/10.3390/photonics13030264</a>.","ama":"Shrotri AN, Starsaja A, Joshi S, Preu S, Stübbe O. Multispectral Characterization of Additively Manufactured and Dip-Coated Axicons. <i>Photonics</i>. 2026;13(3). doi:<a href=\"https://doi.org/10.3390/photonics13030264\">10.3390/photonics13030264</a>","van":"Shrotri AN, Starsaja A, Joshi S, Preu S, Stübbe O. Multispectral Characterization of Additively Manufactured and Dip-Coated Axicons. Photonics. 2026;13(3).","ieee":"A. N. Shrotri, A. Starsaja, S. Joshi, S. Preu, and O. Stübbe, “Multispectral Characterization of Additively Manufactured and Dip-Coated Axicons,” <i>Photonics</i>, vol. 13, no. 3, Art. no. 264, 2026, doi: <a href=\"https://doi.org/10.3390/photonics13030264\">10.3390/photonics13030264</a>."},"year":"2026","abstract":[{"text":"The use of additive manufacturing for rapid prototyping of near-infrared and terahertz components provides seamless and error-free production. This article discusses the additive manufacturing and post-processing of axicons and their performance evaluation using attenuation and near-field-measurements based fundamental techniques. The axicons are manufactured using the materials cyclic olefin copolymer (TOPAS) and polymethyl methacrylate (PMMA), for their respective use in terahertz and near-infrared applications. The optical and terahertz components manufactured using traditional 3D-printing processes, e.g., fused filament fabrication or stereolithography apparatus exhibit high surface roughness in the range of 15 ± 2.5 µm, resulting in undesired propagation and scattering in the near infrared wavelengths. This research work proposes an economical post-processing technique for additively manufactured terahertz and near-infrared axicons for applications in multispectral characterization, e.g., bio-sensing. The authors used an enhanced method of dip-coating, which involves interval dipping and intermittent hardening to achieve better surface finish. An emphasis is placed on interval dipping and intermittent hardening, which lead to excellent transparency in case of additively-manufactured near-infrared axicons. The dip-coated samples exhibit surface roughness below 10 nm. With the use of heated resin material as the coating layer, due to reduced viscosity, the resin material distributes uniformly over the surface of the 3D-printed terahertz and near-infrared axicons. The authors also observed that the DOF length deviation between unprocessed and enhanced dip-coated axicons remains within the measurement error estimation from analytical calculations. In addition to the improved surface finish and transparency, the coatings are also closely matched in refractive index to the axicon material. Such post-processed axicons pave the way for producing a wide array of systems in the fields of communication, imaging, and bio-sensing.","lang":"eng"}],"publication_status":"published","author":[{"last_name":"Shrotri","orcid":"0000-0003-2116-156X","full_name":"Shrotri, Abhijeet Narendra","first_name":"Abhijeet Narendra","id":"74090"},{"full_name":"Starsaja, Annamarija","first_name":"Annamarija","last_name":"Starsaja"},{"last_name":"Joshi","full_name":"Joshi, Suraj","first_name":"Suraj"},{"last_name":"Preu","full_name":"Preu, Sascha","first_name":"Sascha"},{"id":"51864","orcid":"0000-0001-7293-6893","last_name":"Stübbe","full_name":"Stübbe, Oliver","first_name":"Oliver"}],"publisher":"MDPI AG","issue":"3","publication":"Photonics","status":"public","title":"Multispectral Characterization of Additively Manufactured and Dip-Coated Axicons","intvolume":"        13","volume":13,"publication_identifier":{"issn":["2304-6732"]}},{"intvolume":"     11677","volume":11677,"publication_identifier":{"issn":["0277-786X"],"isbn":["978-1-5106-4189-1"],"eissn":["1996-756X"],"eisbn":["978-1-5106-4190-7"]},"title":"Manufacturing of lens array prototypes containing spherical and fresnel lenses for visible light communications using stereolithography apparatus","publication":"Laser 3D Manufacturing VIII","status":"public","abstract":[{"text":"Additive manufacturing (AM) and rapid prototyping process (RPP) have revolutionized the production of 3D objects in the last few decades. RPP has considerably increased the rate of production and the possibility of manufacturing prototypes in the fields of electrical, optical, and mechanical engineering. The manufacturing of optical prototypes including spherical, aspheric, and special kinds of lenses and lens arrays has reformed the fabrication of optical components. In this paper, specifically designed lens array prototypes for application in visible light communication (VLC) are introduced. These lens array prototypes are manufactured using the stereolithography apparatus (SLA) process. These lens arrays are designed to achieve optimal transmission of the light beam for VLC systems. One of the prototypes from the lens arrays contains primarily four spherical lenses and one thicker convex lens and the other contains one fresnel lens as a substitute for thicker convex lens. These lens arrays are further post-processed to achieve the required transparency. These lens array prototypes are tested using laser and LEDs. The ON-OFF keying modulated light beam was transmitted through the lens array at the sender side and focused on the photo-receiver using another lens array at the receiver side which is 200 cm apart. After evaluating these lens prototypes, it can be concluded that with appropriate post-processing and high-resolution stereolithography based manufacturing, a low data rate VLC link can be formed.","lang":"eng"}],"publication_status":"published","author":[{"id":"74090","first_name":"Abhijeet Narendra","full_name":"Shrotri, Abhijeet Narendra","orcid":"0000-0003-2116-156X","last_name":"Shrotri"},{"full_name":"Beyer, Micha","first_name":"Micha","last_name":"Beyer","id":"71403"},{"id":"71057","full_name":"Schneider, Daniel Johann","first_name":"Daniel Johann","last_name":"Schneider"},{"id":"51864","first_name":"Oliver","full_name":"Stübbe, Oliver","orcid":"https://orcid.org/0000-0001-7293-6893","last_name":"Stübbe"}],"publisher":"Society of Photo-Optical Instrumentation Engineers","citation":{"bjps":"<b>Shrotri AN <i>et al.</i></b> (2021) <i>Manufacturing of Lens Array Prototypes Containing Spherical and Fresnel Lenses for Visible Light Communications Using Stereolithography Apparatus</i>, Helvajian H, Gu B and Chen H (eds). San Francisco: Society of Photo-Optical Instrumentation Engineers.","chicago-de":"Shrotri, Abhijeet Narendra, Micha Beyer, Daniel Johann Schneider und Oliver Stübbe. 2021. <i>Manufacturing of lens array prototypes containing spherical and fresnel lenses for visible light communications using stereolithography apparatus</i>. Hg. von Henry Helvajian, Bo Gu, und Hongqiang Chen. <i>Laser 3D Manufacturing VIII</i>. Bd. 11677. Proceedings of SPIE. San Francisco: Society of Photo-Optical Instrumentation Engineers. doi:<a href=\"https://doi.org/10.1117/12.2586907\">10.1117/12.2586907</a>, .","ufg":"<b>Shrotri, Abhijeet Narendra u. a.</b>: Manufacturing of lens array prototypes containing spherical and fresnel lenses for visible light communications using stereolithography apparatus, Bd. 11677, hg. von Helvajian, Henry/Gu, Bo/Chen, Hongqiang, San Francisco 2021 (Proceedings of SPIE).","apa":"Shrotri, A. N., Beyer, M., Schneider, D. J., &#38; Stübbe, O. (2021). Manufacturing of lens array prototypes containing spherical and fresnel lenses for visible light communications using stereolithography apparatus. In H. Helvajian, B. Gu, &#38; H. Chen (Eds.), <i>Laser 3D Manufacturing VIII</i> (Vol. 11677). Society of Photo-Optical Instrumentation Engineers. <a href=\"https://doi.org/10.1117/12.2586907\">https://doi.org/10.1117/12.2586907</a>","havard":"A.N. Shrotri, M. Beyer, D.J. Schneider, O. Stübbe, Manufacturing of lens array prototypes containing spherical and fresnel lenses for visible light communications using stereolithography apparatus, Society of Photo-Optical Instrumentation Engineers, San Francisco, 2021.","din1505-2-1":"<span style=\"font-variant:small-caps;\">Shrotri, Abhijeet Narendra</span> ; <span style=\"font-variant:small-caps;\">Beyer, Micha</span> ; <span style=\"font-variant:small-caps;\">Schneider, Daniel Johann</span> ; <span style=\"font-variant:small-caps;\">Stübbe, Oliver</span> ; <span style=\"font-variant:small-caps;\">Helvajian, H.</span> ; <span style=\"font-variant:small-caps;\">Gu, B.</span> ; <span style=\"font-variant:small-caps;\">Chen, H.</span> (Hrsg.): <i>Manufacturing of lens array prototypes containing spherical and fresnel lenses for visible light communications using stereolithography apparatus</i>, <i>Proceedings of SPIE</i>. Bd. 11677. San Francisco : Society of Photo-Optical Instrumentation Engineers, 2021","short":"A.N. Shrotri, M. Beyer, D.J. Schneider, O. Stübbe, Manufacturing of Lens Array Prototypes Containing Spherical and Fresnel Lenses for Visible Light Communications Using Stereolithography Apparatus, Society of Photo-Optical Instrumentation Engineers, San Francisco, 2021.","chicago":"Shrotri, Abhijeet Narendra, Micha Beyer, Daniel Johann Schneider, and Oliver Stübbe. <i>Manufacturing of Lens Array Prototypes Containing Spherical and Fresnel Lenses for Visible Light Communications Using Stereolithography Apparatus</i>. Edited by Henry Helvajian, Bo Gu, and Hongqiang Chen. <i>Laser 3D Manufacturing VIII</i>. Vol. 11677. Proceedings of SPIE. San Francisco: Society of Photo-Optical Instrumentation Engineers, 2021. <a href=\"https://doi.org/10.1117/12.2586907\">https://doi.org/10.1117/12.2586907</a>.","mla":"Shrotri, Abhijeet Narendra, et al. “Manufacturing of Lens Array Prototypes Containing Spherical and Fresnel Lenses for Visible Light Communications Using Stereolithography Apparatus.” <i>Laser 3D Manufacturing VIII</i>, edited by Henry Helvajian et al., vol. 11677, Society of Photo-Optical Instrumentation Engineers, 2021, <a href=\"https://doi.org/10.1117/12.2586907\">https://doi.org/10.1117/12.2586907</a>.","ama":"Shrotri AN, Beyer M, Schneider DJ, Stübbe O. <i>Manufacturing of Lens Array Prototypes Containing Spherical and Fresnel Lenses for Visible Light Communications Using Stereolithography Apparatus</i>. Vol 11677. (Helvajian H, Gu B, Chen H, eds.). Society of Photo-Optical Instrumentation Engineers; 2021. doi:<a href=\"https://doi.org/10.1117/12.2586907\">10.1117/12.2586907</a>","van":"Shrotri AN, Beyer M, Schneider DJ, Stübbe O. Manufacturing of lens array prototypes containing spherical and fresnel lenses for visible light communications using stereolithography apparatus. Helvajian H, Gu B, Chen H, editors. Laser 3D Manufacturing VIII. San Francisco: Society of Photo-Optical Instrumentation Engineers; 2021. (Proceedings of SPIE; vol. 11677).","ieee":"A. N. Shrotri, M. Beyer, D. J. Schneider, and O. Stübbe, <i>Manufacturing of lens array prototypes containing spherical and fresnel lenses for visible light communications using stereolithography apparatus</i>, vol. 11677. San Francisco: Society of Photo-Optical Instrumentation Engineers, 2021. doi: <a href=\"https://doi.org/10.1117/12.2586907\">10.1117/12.2586907</a>."},"type":"conference_editor_article","conference":{"location":"San Francisco ","start_date":"2021-01-28","end_date":"2021-02-02","name":"SPIE Photonics West LASE Proc. 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